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Index DDT

Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochlorine, originally developed as an insecticide, and ultimately becoming infamous for its environmental impacts. [1]

219 relations: Acaricide, Administrator of the Environmental Protection Agency, Adolf von Baeyer, Aerobic organism, Aerosol, Africa Fighting Malaria, Agency for Toxic Substances and Disease Registry, Agribusiness, Agriculture, Allies of World War II, Anaerobic digestion, Androgen receptor, Anseriformes, Antimalarial medication, Apex predator, Aquatic ecosystem, Arata Kochi, Arctic, Arene substitution pattern, Art Cooley, Artemisinin, Arthropod, Bald eagle, Balkans, Bendiocarb, Big Sur, Bioaccumulation, Biodegradation, Biological membrane, Biomagnification, Bird of prey, Blood, Bradbury Robinson, Breast cancer, Breast milk, Brown pelican, Bubonic plague, Calcium ATPase, Calcium carbonate, California condor, Cancer, Carbamate, Carcinogen, Caribbean, Catalysis, Centers for Disease Control and Prevention, Central America, Chicken, Chloral, Chlorine, ..., Chlorobenzene, Chloroquine, Claxton, Georgia, Concentrate, Contiguous United States, Crayfish, Crystallinity, Cyhalothrin, Cytochrome P450, Daphnia, David Peakall, DDT in Australia, DDT in New Zealand, DDT in the United States, Deltamethrin, Dichlorodiphenyldichloroethane, Dichlorodiphenyldichloroethylene, Dicofol, Disease, Distillation, Doubt Is Their Product, Drosophila melanogaster, Economic entomology, Emulsion, Endangered Species Act of 1973, Endocrine disruptor, Environmental Defense Fund, Environmentalism, Estrogen, Europe, Fat, Fish, Flea, Food chain, Food web, Galliformes, Gene, Genotoxicity, Gin, Global distillation, Half-life, Hepatocellular carcinoma, Hungarian People's Republic, Hydrophobe, India, Indoor residual spraying, Insecticide, International Agency for Research on Cancer, Irrigation, Isomer, John F. Kennedy, John Quiggin, Kryptonite, KwaZulu-Natal, Larvicide, Lipophilicity, Liver cancer, Malaria, Malathion, Mango, Metabolite, Methoxychlor, Michigan State University, Mickey Slim, Monsanto, Montrose Chemical Corporation of California, Mortality rate, Mosquito net, Mutation, Nassau County, New York, National Institute of Environmental Health Sciences, National Institutes of Health, National Pesticide Information Center, National Toxicology Program, Neuron, New Brunswick, Nobel Prize in Physiology or Medicine, North America, Norway, Nova Scotia, Novartis, Oil, Operation Cat Drop, Organic chemistry, Organochloride, Organophosphate, Osprey, Othmar Zeidler, Pacific Ocean, Pakistan, Pancreatic cancer, Paris green, Passerine, Paul Hermann Müller, Peregrine falcon, Periodic Videos, Persistent organic pollutant, Pesticide, Pesticide Data Program, Pesticide resistance, Petroleum, Photodissociation, Plasmodium falciparum, Pollinator, Properties of water, Public health, Pyrethroid, Pyrethrum, Rachel Carson, Reason (magazine), Receptor antagonist, Risk factors for breast cancer, Roger Bate, Science (journal), Science History Institute, Sea lion, Sediment, Semen, Shrimp, Silent Spring, Smoke bomb, Sodium channel, Soil, Solomon Islands, Solubility, Solution, Solvent, South Africa, South America, Sri Lanka, St. Louis, Michigan, Stockholm Convention on Persistent Organic Pollutants, Sub-Saharan Africa, Superfund, Sweden, Swiss people, Taiwan, The Lancet, The New York Times, The Wall Street Journal, Time (magazine), Ton, Tonne, Toxicology, Trade name, Turkey, Typhus, United Kingdom, United Nations Environment Programme, United States Court of Appeals for the District of Columbia Circuit, United States Department of Agriculture, United States dollar, United States Environmental Protection Agency, United States Fish and Wildlife Service, University of Illinois at Urbana–Champaign, Vector (epidemiology), Vector control, Velsicol Chemical Corporation, Victor Yannacone, Vietnam, Visceral leishmaniasis, West Germany, Wettable powder, William Ruckelshaus, World Health Assembly, World Health Organization, World War II, Xylene, 21st Century Media. Expand index (169 more) »


Acaricides are pesticides that kill members of the arachnid subclass Acari, which includes ticks and mites.

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Administrator of the Environmental Protection Agency

The Administrator of the Environmental Protection Agency is the head of the United States federal government's Environmental Protection Agency, and is thus responsible for enforcing the nation's Clean Air and Clean Water Acts, as well as numerous other environmental statutes.

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Adolf von Baeyer

Johann Friedrich Wilhelm Adolf von Baeyer (31 October 1835 – 20 August 1917) was a German chemist who synthesised indigo, developed a nomenclature for cyclic compounds (that was subsequently extended and adopted as part of the IUPAC organic nomenclature).

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Aerobic organism

An aerobic organism or aerobe is an organism that can survive and grow in an oxygenated environment.

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An aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.

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Africa Fighting Malaria

Africa Fighting Malaria (AFM) is an NGO based in Washington D.C., United States and South Africa which states it "seeks to educate people about the scourge of Malaria and the political economy of malaria control".

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Agency for Toxic Substances and Disease Registry

The Agency for Toxic Substances and Disease Registry (ATSDR) is a federal public health agency within the United States Department of Health and Human Services.

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Agribusiness is the business of agricultural production.

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Agriculture is the cultivation of land and breeding of animals and plants to provide food, fiber, medicinal plants and other products to sustain and enhance life.

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Allies of World War II

The Allies of World War II, called the United Nations from the 1 January 1942 declaration, were the countries that together opposed the Axis powers during the Second World War (1939–1945).

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Anaerobic digestion

Anaerobic digestion is a collection of processes by which microorganisms break down biodegradable material in the absence of oxygen.

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Androgen receptor

The androgen receptor (AR), also known as NR3C4 (nuclear receptor subfamily 3, group C, member 4), is a type of nuclear receptor that is activated by binding any of the androgenic hormones, including testosterone and dihydrotestosterone in the cytoplasm and then translocating into the nucleus.

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Anseriformes is an order of birds that comprise about 180 living species in three families: Anhimidae (the screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans.

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Antimalarial medication

Antimalarial medications, also known as antimalarials, are designed to prevent or cure malaria.

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Apex predator

An apex predator, also known as an alpha predator or top predator, is a predator at the top of a food chain, with no natural predators.

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Aquatic ecosystem

An aquatic ecosystem is an ecosystem in a body of water.

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Arata Kochi

is a Japanese physician and public health expert, who is the former director of the World Health Organization's malaria program.

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The Arctic is a polar region located at the northernmost part of Earth.

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Arene substitution pattern

Arene substitution patterns are part of organic chemistry IUPAC nomenclature and pinpoint the position of substituents other than hydrogen in relation to each other on an aromatic hydrocarbon.

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Art Cooley

Arthur P. "Art" Cooley (born June 2, 1934) is a former biology teacher, naturalist and expedition leader, and a co-founder of the Environmental Defense Fund (EDF).

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Artemisinin and its semi-synthetic derivatives are a group of drugs used against Plasmodium falciparum malaria.

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An arthropod (from Greek ἄρθρον arthron, "joint" and πούς pous, "foot") is an invertebrate animal having an exoskeleton (external skeleton), a segmented body, and paired jointed appendages.

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Bald eagle

The bald eagle (Haliaeetus leucocephalus, from Greek ἅλς, hals "sea", αἰετός aietos "eagle", λευκός, leukos "white", κεφαλή, kephalē "head") is a bird of prey found in North America.

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The Balkans, or the Balkan Peninsula, is a geographic area in southeastern Europe with various and disputed definitions.

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Bendiocarb is an acutely toxic carbamate insecticide used in public health and agriculture and is effective against a wide range of nuisance and disease vector insects.

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Big Sur

Big Sur is a rugged section of California's Central Coast between Carmel Highlands and San Simeon, where the Santa Lucia Mountains rise abruptly from the Pacific Ocean, that is frequently praised for its dramatic views.

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Bioaccumulation is the accumulation of substances, such as pesticides, or other chemicals in an organism.

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Biodegradation is the disintegration of materials by bacteria, fungi, or other biological means.

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Biological membrane

A biological membrane or biomembrane is an enclosing or separating membrane that acts as a selectively permeable barrier within living things.

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Biomagnification, also known as bioamplification or biological magnification, is the increasing concentration of a substance, such as a toxic chemical, in the tissues of tolerant organisms at successively higher levels in a food chain.

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Bird of prey

A bird of prey, predatory bird, or raptor is any of several species of bird that hunts and feeds on rodents and other animals.

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Blood is a body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.

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Bradbury Robinson

Bradbury Norton Robinson, Jr. (February 1, 1884 – March 7, 1949) was a pioneering American football player, physician, nutritionist, conservationist and local politician.

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Breast cancer

Breast cancer is cancer that develops from breast tissue.

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Breast milk

Breast milk is the milk produced by the breasts (or mammary glands) of a human female to feed a child.

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Brown pelican

The brown pelican (Pelecanus occidentalis) is a North American bird of the pelican family, Pelecanidae.

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Bubonic plague

Bubonic plague is one of three types of plague caused by bacterium Yersinia pestis.

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Calcium ATPase

Ca2+ ATPase is a form of P-ATPase that transfers calcium after a muscle has contracted.

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Calcium carbonate

Calcium carbonate is a chemical compound with the formula CaCO3.

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California condor

The California condor (Gymnogyps californianus) is a New World vulture, the largest North American land bird.

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Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

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A carbamate is an organic compound derived from carbamic acid (NH2COOH).

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A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer.

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The Caribbean is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts.

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Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalysthttp://goldbook.iupac.org/C00876.html, which is not consumed in the catalyzed reaction and can continue to act repeatedly.

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Centers for Disease Control and Prevention

The Centers for Disease Control and Prevention (CDC) is the leading national public health institute of the United States.

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Central America

Central America (América Central, Centroamérica) is the southernmost, isthmian portion of the North American continent, which connects with the South American continent on the southeast.

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The chicken (Gallus gallus domesticus) is a type of domesticated fowl, a subspecies of the red junglefowl.

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Chloral, also known as trichloroacetaldehyde or trichloroethanal, is the organic compound with the formula Cl3CCHO.

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Chlorine is a chemical element with symbol Cl and atomic number 17.

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Chlorobenzene is an aromatic organic compound with the chemical formula C6H5Cl.

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Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects.

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Claxton, Georgia

Claxton is a city in Evans County, Georgia, United States.

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A concentrate is a form of substance which has had the majority of its base component (in the case of a liquid: the solvent) removed.

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Contiguous United States

The contiguous United States or officially the conterminous United States consists of the 48 adjoining U.S. states plus Washington, D.C. on the continent of North America.

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Crayfish, also known as crawfish, crawdads, crawldads, freshwater lobsters, mountain lobsters, mudbugs or yabbies, are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea.

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Crystallinity refers to the degree of structural order in a solid.

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Cyhalothrin is an organic compound that is used as a pesticide.

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Cytochrome P450

Cytochromes P450 (CYPs) are proteins of the superfamily containing heme as a cofactor and, therefore, are hemoproteins.

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Daphnia, a genus of small planktonic crustaceans, are in length.

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David Peakall

David Beaumont Peakall (17 March 1931 – 18 August 2001) was an internationally recognised toxicologist.

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DDT in Australia

The use of DDT in Australia has been fully banned since 1987.

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DDT in New Zealand

The use of DDT in New Zealand was banned in 1989 due to negative environmental impacts.

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DDT in the United States

The use of DDT in the United States is banned, except for a limited exemption for public health uses.

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Deltamethrin is a pyrethroid ester insecticide.

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Dichlorodiphenyldichloroethane (DDD) is an organochlorine insecticide that is slightly irritating to the skin.

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Dichlorodiphenyldichloroethylene (DDE) is a chemical compound formed by the loss of hydrogen chloride (dehydrohalogenation) from DDT, of which it is one of the more common breakdown products.

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Dicofol is an organochlorine pesticide that is chemically related to DDT.

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A disease is any condition which results in the disorder of a structure or function in an organism that is not due to any external injury.

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Distillation is the process of separating the components or substances from a liquid mixture by selective boiling and condensation.

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Doubt Is Their Product

Doubt is Their Product: How Industry's Assault on Science Threatens Your Health is a 2008 book by David Michaels, Assistant Secretary of Labor for Occupational Safety and Health under U.S. President Obama.

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Drosophila melanogaster

Drosophila melanogaster is a species of fly (the taxonomic order Diptera) in the family Drosophilidae.

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Economic entomology

Economic entomology is a field of entomology, which involves the study of insects that benefit or harm humans, domestic animals, and crops.

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An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable).

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Endangered Species Act of 1973

The Endangered Species Act of 1973 (ESA; 16 U.S.C. § 1531 et seq.) is one of the few dozens of US environmental laws passed in the 1970s, and serves as the enacting legislation to carry out the provisions outlined in The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).

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Endocrine disruptor

Endocrine disruptors are chemicals that can interfere with endocrine (or hormone) systems at certain doses.

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Environmental Defense Fund

Environmental Defense Fund or EDF (formerly known as Environmental Defense) is a United States-based nonprofit environmental advocacy group.

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Environmentalism or environmental rights is a broad philosophy, ideology, and social movement regarding concerns for environmental protection and improvement of the health of the environment, particularly as the measure for this health seeks to incorporate the impact of changes to the environment on humans, animals, plants and non-living matter.

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Estrogen, or oestrogen, is the primary female sex hormone.

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Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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Fat is one of the three main macronutrients, along with carbohydrate and protein.

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Fish are gill-bearing aquatic craniate animals that lack limbs with digits.

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Fleas are small flightless insects that form the order Siphonaptera.

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Food chain

A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the Sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detritivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria).

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Food web

A food web (or food cycle) is a natural interconnection of food chains and a graphical representation (usually an image) of what-eats-what in an ecological community.

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Galliformes is an order of heavy-bodied ground-feeding birds that includes turkey, grouse, chicken, New World quail and Old World quail, ptarmigan, partridge, pheasant, junglefowl and the Cracidae.

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In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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In genetics, genotoxicity describes the property of chemical agents that damages the genetic information within a cell causing mutations, which may lead to cancer.

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Gin is liquor which derives its predominant flavour from juniper berries (Juniperus communis).

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Global distillation

Global distillation or the grasshopper effect is the geochemical process by which certain chemicals, most notably persistent organic pollutants (POPs), are transported from warmer to colder regions of the Earth, particularly the poles and mountain tops.

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Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.

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Hepatocellular carcinoma

Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer in adults, and is the most common cause of death in people with cirrhosis.

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Hungarian People's Republic

The Hungarian People's Republic (Magyar Népköztársaság) was a one-party socialist republic (communist state) from 20 August 1949 to 23 October 1989.

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In chemistry, hydrophobicity is the physical property of a molecule (known as a hydrophobe) that is seemingly repelled from a mass of water.

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India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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Indoor residual spraying

Indoor residual spraying or IRS is the process of spraying the inside of dwellings with an insecticide to kill mosquitoes that spread malaria.

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Insecticides are substances used to kill insects.

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International Agency for Research on Cancer

The International Agency for Research on Cancer (IARC; Centre International de Recherche sur le Cancer, CIRC) is an intergovernmental agency forming part of the World Health Organization of the United Nations.

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Irrigation is the application of controlled amounts of water to plants at needed intervals.

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An isomer (from Greek ἰσομερής, isomerès; isos.

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John F. Kennedy

John Fitzgerald "Jack" Kennedy (May 29, 1917 – November 22, 1963), commonly referred to by his initials JFK, was an American politician who served as the 35th President of the United States from January 1961 until his assassination in November 1963.

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John Quiggin

John Quiggin (born 29 March 1956) is an Australian economist, a Professor at the University of Queensland.

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Kryptonite is a fictional substance and the most well-known weakness of DC Comics' superhero Superman.

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KwaZulu-Natal (also referred to as KZN and known as "the garden province") is a province of South Africa that was created in 1994 when the Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu) and Natal Province were merged.

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A larvicide (alternatively larvacide) is an insecticide that is specifically targeted against the larval life stage of an insect.

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Lipophilicity (from Greek λίπος "fat" and φίλος "friendly"), refers to the ability of a chemical compound to dissolve in fats, oils, lipids, and non-polar solvents such as hexane or toluene.

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Liver cancer

Liver cancer, also known as hepatic cancer and primary hepatic cancer, is cancer that starts in the liver.

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Malaria is a mosquito-borne infectious disease affecting humans and other animals caused by parasitic protozoans (a group of single-celled microorganisms) belonging to the Plasmodium type.

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Malathion is an organophosphate insecticide which acts as an acetylcholinesterase inhibitor.

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Mangoes are juicy stone fruit (drupe) from numerous species of tropical trees belonging to the flowering plant genus Mangifera, cultivated mostly for their edible fruit.

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A metabolite is the intermediate end product of metabolism.

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Methoxychlor was a synthetic organochlorine used as an insecticide.

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Michigan State University

Michigan State University (MSU) is a public research university in East Lansing, Michigan, United States.

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Mickey Slim

The Mickey Slim was a drink that had short-lived popularity in the United States in the 1940s and 1950s.

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Monsanto Company was an agrochemical and agricultural biotechnology corporation.

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Montrose Chemical Corporation of California

After World War II, Montrose Chemical Corporation of California, 20201 S. Normandie Ave., Unincorporated LA County, California began producing Dichloro-Diphenyl-Trichloroethane (DDT), the new "wonder pesticide".

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Mortality rate

Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

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Mosquito net

A mosquito net offers protection against mosquitos, flies, and other insects, and thus against the diseases they may carry.

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In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements.

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Nassau County, New York

Nassau County or is a suburban county comprising much of western Long Island in the U.S. state of New York.

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National Institute of Environmental Health Sciences

The National Institute of Environmental Health Sciences (NIEHS) conducts research into the effects of the environment on human disease, as one of the 27 institutes and centers of the National Institutes of Health (NIH).

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National Institutes of Health

The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research, founded in the late 1870s.

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National Pesticide Information Center

The National Pesticide Information Center (NPIC) is a collaboration between Oregon State University and the United States Environmental Protection Agency to provide objective, science-based information about pesticides, the recognition and management of pesticide poisonings, toxicology and environmental chemistry.

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National Toxicology Program

The National Toxicology Program (NTP) is an inter-agency program run by the United States Department of Health and Human Services to coordinate, evaluate, and report on toxicology within public agencies.

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A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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New Brunswick

New Brunswick (Nouveau-Brunswick; Canadian French pronunciation) is one of three Maritime provinces on the east coast of Canada.

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Nobel Prize in Physiology or Medicine

The Nobel Prize in Physiology or Medicine (Nobelpriset i fysiologi eller medicin), administered by the Nobel Foundation, is awarded once a year for outstanding discoveries in the fields of life sciences and medicine.

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North America

North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.

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Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.

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Nova Scotia

Nova Scotia (Latin for "New Scotland"; Nouvelle-Écosse; Scottish Gaelic: Alba Nuadh) is one of Canada's three maritime provinces, and one of the four provinces that form Atlantic Canada.

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Novartis International AG is a Swiss multinational pharmaceutical company based in Basel, Switzerland.

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An oil is any nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (does not mix with water, literally "water fearing") and lipophilic (mixes with other oils, literally "fat loving").

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Operation Cat Drop

Operation Cat Drop is the name commonly given to an account, of uncertain veracity, about the delivery, by the United Kingdom's Royal Air Force, of cats to a remote village in Sarawak, Borneo.

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Organic chemistry

Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.

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An organochloride, organochlorine compound, chlorocarbon, or chlorinated hydrocarbon is an organic compound containing at least one covalently bonded atom of chlorine that has an effect on the chemical behavior of the molecule.

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Organophosphates (also known as phosphate esters) are a class of organophosphorus compounds with the general structure O.

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The osprey or more specifically the western osprey (Pandion haliaetus) — also called sea hawk, river hawk, and fish hawk — is a diurnal, fish-eating bird of prey with a cosmopolitan range.

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Othmar Zeidler

Othmar Zeidler (29 August 1850 – 17 June 1911)Though many sources mention 1859 as Zeidler's year of birth, this would make him a mere 14 years old at the time of his dissertation in 1873.

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Pacific Ocean

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.

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Pakistan (پاکِستان), officially the Islamic Republic of Pakistan (اِسلامی جمہوریہ پاکِستان), is a country in South Asia.

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Pancreatic cancer

Pancreatic cancer arises when cells in the pancreas, a glandular organ behind the stomach, begin to multiply out of control and form a mass.

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Paris green

Paris green (copper(II) acetate triarsenite or copper(II) acetoarsenite) is an inorganic compound.

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A passerine is any bird of the order Passeriformes, which includes more than half of all bird species.

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Paul Hermann Müller

Paul Hermann Müller also known as Pauly Mueller (12 January 1899 – 13 October 1965) was a Swiss chemist who received the 1948 Nobel prize in Physiology or Medicine for his 1939 discovery of insecticidal qualities and use of DDT in the control of vector diseases such as malaria and yellow fever.

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Peregrine falcon

The peregrine falcon (Falco peregrinus), also known as the peregrine, and historically as the duck hawk in North America, is a widespread bird of prey (raptor) in the family Falconidae.

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Periodic Videos

The Periodic Table of Videos (usually shortened to Periodic Videos) is a series of videos about chemical elements and the periodic table.

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Persistent organic pollutant

Persistent organic pollutants (POPs) are organic compounds that are resistant to environmental degradation through chemical, biological, and photolytic processes.

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Pesticides are substances that are meant to control pests, including weeds.

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Pesticide Data Program

The Pesticide Data Program (PDP) is a program initiated in 1991 by the Agricultural Marketing Service division of the United States Department of Agriculture (USDA).

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Pesticide resistance

Pesticide resistance describes the decreased susceptibility of a pest population to a pesticide that was previously effective at controlling the pest.

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Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Photodissociation, photolysis, or photodecomposition is a chemical reaction in which a chemical compound is broken down by photons.

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Plasmodium falciparum

Plasmodium falciparum is a unicellular protozoan parasite of humans, and the deadliest species of Plasmodium that cause malaria in humans.

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A pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower.

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Properties of water

Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound and is described as the "universal solvent" and the "solvent of life". It is the most abundant substance on Earth and the only common substance to exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe. Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. Water is amphoteric, meaning that it is both an acid and a base—it produces + and - ions by self-ionization.

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Public health

Public health is "the science and art of preventing disease, prolonging life and promoting human health through organized efforts and informed choices of society, organizations, public and private, communities and individuals".

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A pyrethroid is an organic compound similar to the natural pyrethrins produced by the flowers of pyrethrums (Chrysanthemum cinerariaefolium and C. coccineum).

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Pyrethrum was a genus of several Old World plants now classified as Chrysanthemum or Tanacetum (e.g., C. coccineum) which are cultivated as ornamentals for their showy flower heads.

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Rachel Carson

Rachel Louise Carson (May 27, 1907 – April 14, 1964) was an American marine biologist, author, and conservationist whose book Silent Spring and other writings are credited with advancing the global environmental movement.

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Reason (magazine)

Reason is an American libertarian monthly magazine published by the Reason Foundation.

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Receptor antagonist

A receptor antagonist is a type of receptor ligand or drug that blocks or dampens a biological response by binding to and blocking a receptor rather than activating it like an agonist.

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Risk factors for breast cancer

Risk factors for breast cancer may be divided into preventable and non-preventable.

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Roger Bate

Roger Bate is an economist who has held a variety of positions in free market oriented organizations.

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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Science History Institute

The Science History Institute is an institution that preserves and promotes understanding of the history of science.

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Sea lion

Sea lions are sea mammals characterized by external ear flaps, long foreflippers, the ability to walk on all fours, short, thick hair, and a big chest and belly.

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Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.

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Semen, also known as seminal fluid, is an organic fluid that may contain spermatozoa.

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The term shrimp is used to refer to some decapod crustaceans, although the exact animals covered can vary.

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Silent Spring

Silent Spring is an environmental science book by Rachel Carson.

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Smoke bomb

A smoke bomb is a firework designed to produce smoke upon ignition.

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Sodium channel

Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell's plasma membrane.

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Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.

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Solomon Islands

Solomon Islands is a sovereign country consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of.

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Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.

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In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.

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A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution.

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South Africa

South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa.

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South America

South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.

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Sri Lanka

Sri Lanka (Sinhala: ශ්‍රී ලංකා; Tamil: இலங்கை Ilaṅkai), officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia, located in the Indian Ocean to the southwest of the Bay of Bengal and to the southeast of the Arabian Sea.

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St. Louis, Michigan


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Stockholm Convention on Persistent Organic Pollutants

Stockholm Convention on Persistent Organic Pollutants is an international environmental treaty, signed in 2001 and effective from May 2004, that aims to eliminate or restrict the production and use of persistent organic pollutants (POPs).

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Sub-Saharan Africa

Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara.

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Superfund is a United States federal government program designed to fund the cleanup of sites contaminated with hazardous substances and pollutants.

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Sweden (Sverige), officially the Kingdom of Sweden (Swedish), is a Scandinavian country in Northern Europe.

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Swiss people

The Swiss (die Schweizer, les Suisses, gli Svizzeri, ils Svizzers) are the citizens of Switzerland, or people of Swiss ancestry. The number of Swiss nationals has grown from 1.7 million in 1815 to 7 million in 2016. More than 1.5 million Swiss citizens hold multiple citizenship. About 11% of citizens live abroad (0.8 million, of whom 0.6 million hold multiple citizenship). About 60% of those living abroad reside in the European Union (0.46 million). The largest groups of Swiss descendants and nationals outside Europe are found in the United States and Canada. Although the modern state of Switzerland originated in 1848, the period of romantic nationalism, it is not a nation-state, and the Swiss are not usually considered to form a single ethnic group, but a confederacy (Eidgenossenschaft) or Willensnation ("nation of will", "nation by choice", that is, a consociational state), a term coined in conscious contrast to "nation" in the conventionally linguistic or ethnic sense of the term. The demonym Swiss (formerly in English also Switzer) and the name of Switzerland, ultimately derive from the toponym Schwyz, have been in widespread use to refer to the Old Swiss Confederacy since the 16th century.

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Taiwan, officially the Republic of China (ROC), is a state in East Asia.

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The Lancet

The Lancet is a weekly peer-reviewed general medical journal.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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The Wall Street Journal

The Wall Street Journal is a U.S. business-focused, English-language international daily newspaper based in New York City.

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Time (magazine)

Time is an American weekly news magazine and news website published in New York City.

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The ton is a unit of measure.

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The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.

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Toxicology is a discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms and the practice of diagnosing and treating exposures to toxins and toxicants.

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Trade name

A trade name, trading name, or business name is a pseudonym frequently used by companies to operate under a name different from their registered, legal name.

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Turkey (Türkiye), officially the Republic of Turkey (Türkiye Cumhuriyeti), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe.

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Typhus, also known as typhus fever, is a group of infectious diseases that include epidemic typhus, scrub typhus and murine typhus.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United Nations Environment Programme

The United Nations Environment Programme (UNEP) is an agency of United Nations and coordinates its environmental activities, assisting developing countries in implementing environmentally sound policies and practices.

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United States Court of Appeals for the District of Columbia Circuit

The United States Court of Appeals for the District of Columbia Circuit (in case citations, D.C. Cir.) known informally as the D.C. Circuit, is the federal appellate court for the U.S. District Court for the District of Columbia.

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United States Department of Agriculture

The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal laws related to farming, forestry, and food.

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United States dollar

The United States dollar (sign: $; code: USD; also abbreviated US$ and referred to as the dollar, U.S. dollar, or American dollar) is the official currency of the United States and its insular territories per the United States Constitution since 1792.

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United States Environmental Protection Agency

The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.

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United States Fish and Wildlife Service

The United States Fish and Wildlife Service (USFWS or FWS) is an agency of the federal government within the U.S. Department of the Interior dedicated to the management of fish, wildlife, and natural habitats.

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University of Illinois at Urbana–Champaign

The University of Illinois Urbana–Champaign (also known as U of I, Illinois, or colloquially as the University of Illinois or UIUC) is a public research university in the U.S. state of Illinois and the flagship institution of the University of Illinois System.

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Vector (epidemiology)

In epidemiology, a disease vector is any agent that carries and transmits an infectious pathogen into another living organism; most agents regarded as vectors are organisms, such as intermediate parasites or microbes, but it could be an inanimate medium of infection such as dust particles.

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Vector control

Vector control is any method to limit or eradicate the mammals, birds, insects or other arthropods (here collectively called "vectors") which transmit disease pathogens.

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Velsicol Chemical Corporation

Velsicol Chemical Corporation is an American chemical company based in Rosemont, Illinois that specializes in chemical intermediates for applications such as agrochemicals.

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Victor Yannacone

Victor John Yannacone is an environmental attorney who played a role in campaigns to ban DDT in the United States and expose the effects of Agent Orange on Vietnam veterans.

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Vietnam, officially the Socialist Republic of Vietnam, is the easternmost country on the Indochina Peninsula in Southeast Asia.

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Visceral leishmaniasis

Visceral leishmaniasis (VL), also known as kala-azar, black fever, and Dumdum fever, is the most severe form of leishmaniasis and, without proper diagnosis and treatment, is associated with high fatality.

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West Germany

West Germany is the common English name for the Federal Republic of Germany (FRG; Bundesrepublik Deutschland, BRD) in the period between its creation on 23 May 1949 and German reunification on 3 October 1990.

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Wettable powder

A wettable powder is an insecticide or other pesticide formulation consisting of the active ingredient in a finely ground state combined with wetting agents and sometimes bulking agents.

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William Ruckelshaus

William Doyle Ruckelshaus (born July 24, 1932) is an American attorney and former U.S. government official.

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World Health Assembly

The World Health Assembly (WHA) is the forum through which the World Health Organization (WHO) is governed by its 194 member states.

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World Health Organization

The World Health Organization (WHO; French: Organisation mondiale de la santé) is a specialized agency of the United Nations that is concerned with international public health.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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Xylene (from Greek ξύλο, xylo, "wood"), xylol or dimethylbenzene is any one of three isomers of dimethylbenzene, or a combination thereof.

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21st Century Media

21st Century Media was an American media company, serving an audience of 21 million Americans in 992 communities.

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Redirects here:

(ClC6H4)2CHCCl3, 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane, 1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane (DDT), 1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane, ATC code P03AB01, ATCvet code QP53AB01, Azotox, C14H9Cl5, Clofenotane, DDT (molecule), DDT and malaria, DDT ban, DDT use against malaria, DDT/fish, Ddt, Dechlorodiphenyltrichloroetnane, Dichlordiphenyltrichlorethan, Dichloro-Diphenyl-Trichloroethane, Dichloro-diphenyl-trichloro-ethane, Dichloro-diphenyl-trichloroethane, Dichloro-diphenyl-trichlothroethane, Dichlorodiphenyl Trichloroethane, Dichlorodiphenyltrichloroethane, Effects of DDT on human health, Environmental impact of DDT, History of DDT, Hylotox 59, O,p'-DDT, Op-DDT, Ortho, para'-DDT, P,p'-DDT, Total DDT, Total-DDT.


[1] https://en.wikipedia.org/wiki/DDT

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