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...y]] plant. In modern times, heroin has been used by humans as an analgesic and a recreational [[drug]]. ...l. Victims of heroin overdose include celebrities such as [[Janis Joplin]] and [[Bridgette Andersen]].

...on include [[x-ray crystallography]] (or single-crystal x-ray diffraction) and [[powder diffraction]]. In many cases, corresponding techniques employing ==History==

...ic animals, to the packaging and formulation of food as products for sale, and even includes [[cooking]]. Many aspects are a subdivision of [[Agriculture *[[Culinary arts]] – includes food preparation and [[cooking]]

* [http://lipas.uwasa.fi/~ts/popsci.html A Book List of Popularized Natural and Behavioral Sciences] * Augros, Robert M., Stanciu, George N., "The New Story of Science: mind and the universe", Lake Bluff, Ill.: Regnery Gateway, c1984. ISBN 0895268337

...to the international application of [[chemistry]] by scientists, engineers and others. It is an association of organizations, called "National Adhering Or ...e U.S. National Committee for the International Union for Pure and Applied Chemistry (USNC&thinsp;/&thinsp;IUPAC)].</ref>

...ressure]] exerted by 1 [[millimetre]] of liquid [[mercury]] (symbol: mmHg) and thus 1 torr ≈ 1 mmHg. It was named after [[Evangelista Torricelli]], an [[Italy|Italian]] physicist and mathematician who, in 1644, first explained that a [[barometer]] responded

...ts of the elements|standard atomic weight]] of 98.9062 g•mol⁻¹ and is a [[solid]] in its elemental form. ...e (unit)|atm]]), it has a [[boiling point]] of 4,265 °[[Celsius (unit)|C]] and a [[melting point]] of 2,157 °C.

...lumes were compiled by William Henry (1774-1836), the Manchester physician and chemist, some of whose own lecture notes are also preserved."'' |title=Joseph Black and the discovery of carbon dioxide.

|hazard=Scandium dust is flammable and a fire hazard. It is not known to be toxic. ...800 other minerals.<ref> Lide, David R. (ed) ''CRC Handbook of Chemistry and Physics 75th ed.'', CRC Press: Ann Arbor, MI (1995).</ref>

|iupac= see Chemistry ...MP), which is structurally similar to sildenafil. [[Vardenafil]], a newer and more potent PDE-5 inhibitor, is nearly identical to sildenafil, while [[tad

* Bence Jones, Henry. ''The Life and Letters of Faraday,'' (2 vol. 1870, reprint 2006) [http://books.google.com/ * Cantor, Geoffrey N. ''Michael Faraday: Sandemanian and Scientist.'' (1991)

...Chapter 21. In: Brown TL, Eugene Lemay H, Bursten BE, Murphy CJ. (2009) ''Chemistry: The Central Science''. 11th edition. Upper Saddle River, NJ: Pearson Edu ...t radioactivity: specific elements may have stable (i.e., non-radioactive) and radioactive (unstable) [[isotope]]s&mdash;all the isotopes of a given chemi

...tm and a bar, which is about 1%, is not significant for many applications, and is within the error range of common pressure gauges. ==History==

In [[quantum chemistry]], an '''electron orbital''' (or more often just '''orbital''') is a synony ...norm]], i.e., that the orbital is normalizable (quadratically integrable), and hence this requirement is often added to the definition.

...'venlafaxine''' is a [[second generation antidepressant]] that has unusual chemistry: it inhibits the reuptake of several [[neurotransmitter]]s depending on dos ==History==

...e if you can or die! However, anti-Jewish bias in the West, in [[America]] and its European allies, was silently effective in preventing safe passage acro ...e late 1920’s he began work on his popular Progress in Biochemistry series and starting in 1930 made immunochemistry his principal area of research.

...ite]</ref> It is commonly referred to by its French initials of '''BIPM''' and it is one of three such organizations established to maintain the [[Interna ...s poids et mesures'') (CGPM) and the [[International Committee for Weights and Measures]] (French: ''Comité international des poids et mesures'') (CIPM).

...for editors by collecting together those articles that are especially good and drawing attention to the best candidates for approval. Any user, author or ...to initiate the approval process. Please add this page to your watch list and check in frequently.

In chemistry, a '''molecule''' is an aggregate of two or more [[atom]]s in a definite ar <ref>{{cite book|author=Pauling, Linus |title=General Chemistry|location=New York | publisher=Dover Publications, Inc.|year=1970|id=ISBN 04

...is usually made of glass and consists of a small diameter cylindrical stem and a larger diameter float section weighted with [[mercury]] or [[Lead|lead sh ...]] and making [[whiskey]]; refining [[sugar]]; producing [[sulfuric acid]] and other industrial [[chemical]]s.