In the News
DNA Analysis Reveals Rapid Population Shift Among Pleistocene Cave Bea
Studying DNA obtained from teeth of ancient cave bears, researchers have been able to identify a shift in a particular population of the bears inhabiting a European valley in the late Pleistocene era. The findings illustrate the ability of DNA sequence analysis to reveal aspects of animal population dynamics in the distant past and potentially illuminate the influence of human migrations in animal population changes. Women With Mental Disorders Less Likely To Have Mammograms
Women with mental disorders are less likely to have screening mammograms than women without mental illness, although the nature of the mental illness does play a role. Prior to this study, little was known about whether the type or severity of mental illness influences receipt of preventive services such as mammograms. New Group Of Algae Discovered: Picobiliphytes
An international group of researchers has succeeded in identifying a previously unknown group of algae. As currently reported in the scientific journal Science, the newly discovered algae are found among the smallest members of photosynthetic plankton -- the picoplankton. On account of the minute size of the organisms and the appearance of phycobili-proteins, researchers have termed the new group "Picobiliphyta." Mice Thrive Missing Ancient DNA Sequences
Ultraconserved elements are DNA sequences, hundreds of base pairs long, that are 100-percent identical in mice, rats and humans. Their perfect conservation for over 80 million years was thought due to evolutionary pressure, such that if even one nucleotide changes, the organism would die. But in a new study knockout mice with deleted ultraconserved elements showed virtually no ill effects. [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 supposedlydelivered 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." Nature’s Missing Crystal - Found It!
Diamond is not unique! Nature’s missing crystal discovered! A crystal as beautiful as diamond! Those were the themes running through dozens of articles in the media about a discovery made by Japanese mathematician Toshi Sunada of Meiji University. The original press release proclaimed that he had discovered a theoretical crystal structure with the same symmetry [...] A Seismic Shift In Understanding How The Earth Got Its Gas
Scientists studying volcanic activity in New Mexico, USA, have overturned a longstanding view of the origin of gases deep within our planet, according to a paper published in Nature. Aspirin Might Prevent Vioxx Cardiac Damage
Low-dose aspirin might prevent the cardiovascular damage known to arise from use of the painkiller rofecoxib (Vioxx®), suggest new findings from mouse studies by Duke University Medical Center researchers. Their findings that a chemical imbalance might underlie such damage could also lead to the development of anti-inflammatory drugs without the adverse side effects, the researchers said. American Indian Heritage
Resources for celebrating American Indian Heritage Month (November), including annotated listings for American Indian cultural organizations and groups (emphasis on groups in the San Francisco Bay Area) and classroom activities for American Indian studies. Also includes profiles of American Indian "local heroes"in the San Francisco area. From KQED, "public broadcasting for Northern California." NASA Spacecraft En Route To Pluto Prepares For Jupiter Encounter
NASA's New Horizons spacecraft is on the doorstep of the solar system's largest planet. The spacecraft will study and swing past Jupiter, increasing speed on its voyage toward Pluto, the Kuiper Belt and beyond. The fastest spacecraft ever launched, New Horizons will make its closest pass to Jupiter on Feb. 28, 2007. Jupiter's gravity will accelerate New Horizons away from the sun by an additional 9,000 miles per hour, pushing it past 52,000 mph and hurling it toward a pass through the Pluto system in July 2015.
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