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Gypsum is a common mineral, with thick and extensive evaporite beds in association with sedimentary rocks. Deposits are known to occur in strata from as far back as the Archaean eon. [16] Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins.
The following is a table of drugs organized by their year of discovery. Naturally occurring chemicals in plants, including alkaloids, have been used since pre-history. In the modern era, plant-based drugs have been isolated, purified and synthesised anew.
It also maintains List I of chemicals and List II of chemicals, which contain chemicals that are used to manufacture the controlled substances/illicit drugs. The list is designated within the Controlled Substances Act [ 1 ] but can be modified by the U.S. Attorney General as illegal manufacturing practices change.
This list categorises drugs alphabetically and also by other categorisations. This multi-page article lists pharmaceutical drugs alphabetically by name. Many drugs have more than one name and, therefore, the same drug may be listed more than once.
Alcohol: Cannabis: Tincture of cannabis. Herb and Al. Judgement Day Cross fading, twisting, getting twisted [13] Called Judgement Day in Ghana when cannabis is added to the drink Alcohol: Cocaine: Snow-cone Snow-coning Ethanol is metabolized into cocaethylene [14] Alcohol: MDMA: Tipsy flip Tipsy flipping It may be dangerous Alcohol: Nicotine ...
Cover of the first edition. Biology Today is a college-level biology textbook that went through three editions in 1972, 1975, and 1980. The first edition, published by Communications Research Machines, Inc. (CRM) and written by a small editorial team and large set of prominent "contributing consultants", is notable for its lavish illustrations and its humanistic approach.
Out of the chemicals listed by the US Department of Energy, only lactic acid and itaconic acid have achieved industrial-scale production. Lactic acid, added to the list in 2010 after large-scale production was established, currently holds a market value exceeding US$2.5 billion, primarily used in the production of polylactate. [5]
Alcohol has been produced and consumed by humans for its psychoactive effects since c. 7000–6600 BC. [21] Alcohol is the second most consumed psychoactive drug globally, behind caffeine. [22] [23] Drinking alcohol is generally socially acceptable and is legal in most countries, unlike with many other recreational substances.