Biogenic

To be biogenic a material or substance must be produced by natural processes. Usually used in the context of emissions that are produced by plants and animals.



In the News

Maritime, Sea &Ships: Pirates
Questions and answers about pirates "robber[s] who travel by water. Though most pirates targeted ships, some also launched attacks on coastal towns."Topics include corsairs ("pirates who operated in the Mediterranean Sea between the 15th and 18th centuries"), buccaneers (17th century Caribbean pirates), Blackbeard, and women pirates. From the National Maritime Museum, Greenwich, England.

The Politico
This online news site has "the mission of covering the politics of Capitol Hill and of the presidential campaign, and the business of Washington lobbying and advocacy."Includes news, opinion pieces, photos, blogs, and other material about Congress, politicians, the 2008 presidential election, and other political topics. From the publishers of the free Politico print newspaper available in the Washington, D.C., area.

Australia's Megafauna Coexisted With Humans
Analyses of ancient fossils suggest that early Australian Aborigines did not wipe out the continent's megafauna in a frenzied hunting rampage. New research conducted by Australian and British scientists reveals that in fact humans and megafauna, such as gigantic three tonne wombat-like creatures, a ferocious marsupial "lion"and the world's all-time biggest lizard, may have co-existed for around 15,000 years.

Tropical Atlantic Cooling And African Deforestation Correlate To Droug
Against the backdrop of the Montreal Summit on global climate being held last week, an article on African droughts and monsoons, by a University of California, Santa Barbara scientist and others, which appears in the December issue of the journal Geology, underlines concern about the effects of global climate change.

[Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind."

New Computational Technique Can Predict Drug Side Effects
Early identification of adverse effects of drugs before they are tested in humans is crucial in developing new therapeutics, as unexpected effects account for a third of all drug failures during the development process. Now researchers at the University of California-San Diego have developed a novel technique using computer modeling to identify potential side effects of pharmaceuticals, and have used the technique to study a class of drugs that includes tamoxifen.

What It's Like to Be Face Blind
They can see your eyes, your nose, your mouth -- and still not recognize your face. Now scientists say people with prosopagnosia may help unlock some of the deepest mysteries of the brain. By Joshua Davis from Wired magazine.

[Ironic] An Italian pensioner committed suicide after his wife fell in
Recalling the end of Romeo and Juliet, the 70-year-old man, Ettore, who had sat by his wife's bedside for four months after she slipped into a coma following a heart attack, finally gave up hope and gassed himself in the garage of his family home.Less than a day later, his wife, Rossana, woke up in her hospital bed in Padua and immediately asked for him.

Lance Armstrong Through A Physiological Lens: Hard Training Boosts Mus
Seven-year study of Lance Armstrong shows hard training to raise maximum capacity and boost sub-maximal efficiency raised muscle power 8%. Add a weight/fat loss to help Tour de France climbing, and power gain rises to 18%. Researcher Edward Coyle of the University of Texas-Austin says possible reason for increase is change in percentage of type I muscle fibers, which also might account for Armstrong's apparent ease of pedaling despite very high cadence. No physiological changes from cancer, chemotherapy.

Living to 100 and Beyond: Search for Predictors of Exceptional Human L
This 2005 research paper "explores possible predictors of exceptional human longevity such as familial factors, early-life living conditions, month-of-birth, and birth order."Includes data tables and a bibliography. From the Center on Aging at the University of Chicago; sponsored by the Committee on Life Insurance Research of the Society of Actuaries.


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