In the News
Researchers Find New Learning Strategy
Central to being human is the ability to adapt: we learn from our mistakes. Previous theories of learning have assumed that the size of learning naturally scales with the size of the mistake. But now biomedical engineers at Washington University in St. Louis have shown that people can use alternative strategies: Learning does not necessarily scale proportionally with error. Water droplets shape graphene nanostructures
A team of chemists reports the ability to bend and reshape graphene, opening up the possibility of forming new and novel devices in the nanoscale. They use an everyday household ingredient to perform the work -- a droplet of water. Nutrition Gene Key In Regulating Immune System
A gene that signals a yeast cell to make bread rise and mice to eat a better diet also helps selectively silence the immune system, researchers have found. The finding may help explain how a mother avoids rejecting a genetically foreign fetus and provides a new target for treatments to help the immune system ignore other desirables like a transplanted organ. Get Your MP3 Tags in Order
A good tag editor can make managing your crazy-huge song collection a snap -- and free you from the world of iTunes ubiquity. By Eric Solomon. Transforming 'Yellow Grease' Into Therapeutic Cosmetics
Waste cooking oil from restaurant deep fryers could become a much-sought inexpensive raw material for producing unusual biosurfactants with uses ranging from therapeutic cosmetics that regenerate damaged skin to controlling algae blooms in lakes and ponds, according to researchers in New York. Magnetic Mystery Solved
Magnetars - stars with magnetic fields a thousand million million times stronger than Earth's - are formed when some of the biggest stars in the cosmos explode, says a team led by Australian ex-pat Bryan Gaensler of the Harvard-Smithsonian Center for Astrophysics. IPhone: Gadget Lab's Gut Check
The iPod is dead, and other instant reactions. The Wired News blogging team weighs in on Apple's most anticipated device in years. In Gadget Lab. [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." Micro RNAs can turn genes off
RNA molecules are the mobile messengers of genes. They carry information on the production of proteins from the DNA to the ribosomes. In addition to these messenger RNAs all living beings have micro RNAs that can hinder the messenger RNAs and thus the production of proteins. Biologists have now discovered that such micro RNAs also come into direct contact with genes, effectively turning off the genes in the process. Catching Terrorists Red-handed: Contact With Homemade Explosives Easy
A scientist has discovered a way to literally catch terrorists red-handed. A new chemical spray detector detects the homemade explosive urea nitrate. When sprayed on cotton swabs taken from the hands of a suspect, if they have had recent contact with urea nitrate, the chemical will turn a blood red hue.
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