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Chemistry

  • 24 Apr 1997

    Scientists have found that mammalian cells are densely "hard-wired" with force-carrying connections that reach all the way from the membrane through the cytoskeleton to the genome.

  • 17 Apr 1997

    SAN FRANCISCO--A therapeutic vaccine against severe rotaviral diarrhea, which kills nearly 900,000 infants worldwide each year, has succeeded in clinical trials.

  • 16 Apr 1997

    SAN FRANCISCO--Like switching on a miniature furnace in the body, scientists have created a compound that spurs certain fat cells to burn up calories without forcing them to endure jogging, swimming, or biking.

  • 15 Apr 1997

    SAN FRANCISCO--The kidnapping and murder of 3-year-old Katie Lynn Lee in 1993 could leave a lasting legacy to law enforcement: methods to obtain children's fingerprints before they evaporate from crime scenes and to develop chemical "profiles" of criminals.

  • 14 Apr 1997

    SAN FRANCISCO--A single injection of microscopic plastic capsules could someday eliminate the need for vaccination booster shots.

  • 10 Apr 1997

    Today is the 97th birthday of American inventor and chemist Arnold Beckman.

  • 7 Apr 1997

    One of the most fruitful decades of chemical research began on 6 April 1931, with a landmark paper by Linus Pauling on the relationship between chemical bonds and the magnetic properties of substances.

  • 28 Mar 1997

    The mere thought that long-term exposure to a pesticide might subtly erode your manhood or womanhood sounds chilling enough, but what if two such chemicals combined were hundreds or thousands of times more potent?

  • 20 Mar 1997

    Background noise can do more than distract. In certain situations--like the firing of neurons--noise can enhance a signal. Now researchers have shown for the first time that the coordinated activity of some brain cells may depend on a critical level of such noise.

  • 17 Mar 1997

    A watershed in biochemistry--Melvin Calvin's scientific paper detailing the complete biochemical pathway through which plants convert carbon dioxide from the atmosphere into carbohydrates--was published 35 years ago, in the 16 March 1962 issue of Science.

  • 13 Mar 1997

    Flickers of laser light can clock the speed of a chemical reaction, timing the knitting and breaking of each molecular bond. Now scientists have rigged this stopwatch to trip a kind of camera, taking stop-action pictures of the molecules as they change shape during the reaction.

  • 6 Mar 1997

    You may imagine the desert as quiet rows of drifting dunes. But under the right conditions, some dunes can emit a thunderous boom, and smaller volumes of sand from these noisy dunes can squeak. Now scientists have found an artificial version of sand that reproduces the sound.

  • 25 Feb 1997

    When a team of biochemists spliced a bacterium's gene for making hemoglobin into a tobacco plant, they expected the transgenic plant to be a tad hardier. Instead, they got veritable beanstalks: plants twice as large and bursting with much more chlorophyll and nicotine than ordinary tobacco.

  • 24 Feb 1997

    Today is the birthday of Carl Graebe, a German organic chemist born in 1841 whose work helped create the synthetic dye industry. Graebe and co-worker C.

  • 19 Feb 1997

    In a potentially lethal overreaction of the immune system, something as seemingly harmless as dust mites or pollen can leave a person with asthma gasping for air.

  • 12 Feb 1997

    The soccer-ball-shaped carbon molecules called fullerenes continue to dazzle scientists, even though they have yet to make a splash in real-world products. Their unique properties, such as their spherical shape, have long intrigued materials researchers.

  • 6 Feb 1997

    WASHINGTON, D.C.--Chemical companies have sometimes failed to provide the government with sufficient or relevant data to judge whether a chemical is safe for commercial use, alleges a book released at a press conference here today by the Center for Public Integrity (

  • 27 Jan 1997

    Victor Goldschmidt, the father of modern geochemistry, was born on this day in 1888. A Swiss-born Norwegian chemist, Goldschmidt was fascinated by the elements, their origins, and their relationships in nature.

  • 21 Jan 1997

    Today is the 85th birthday of Konrad Bloch, the German-born American chemist who shared the 1964 Nobel Prize in medicine for figuring out the biochemistry and metabolism of cholesterol.

  • 9 Jan 1997

    This month marks the anniversary of the birth of pioneering Belgian physician and chemist Joannes Baptista van Helmont, who was born in 1579 (the exact date is unknown).

  • 23 Dec 1996

    Today is the birthday of Axel Fredrik Cronstedt, a Swedish chemist born in 1722 who is best known for his discovery of nickel and his mineral classification scheme. In 1751, Cronstedt described a new mineral he called kupfernickel, or "demon copper," after the copper color of nickel ore.

  • 9 Dec 1996

    Ice has always been a slippery subject. As simple as an ice cube may seem, scientists have long been baffled about why its surface is so slick.

  • 4 Nov 1996

    Chemists have identified a family of compounds that may someday help prevent kidney damage from lupus, a common autoimmune disorder that afflicts up to 2 million Americans.

  • 9 Oct 1996

    The Nobel Prize in chemistry was awarded today to two Americans and one British researcher for their discovery of fullerenes, a new class of all-carbon molecules shaped like hollow balls.

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