* Robotic helicopters teach themselves stunts: The research is a prelude to designing choppers that search for land mines or fight fires, scientists predict. ...
* Dolphins and the evolution of teaching: By repeating actions many times and seemingly "pointing"; at things, some dolphins appear to teach their young to...
* Washington's doctors absolved: The statesman was beyond help when his much- maligned doctors found him one fateful morning, a study concludes. ...
* Drug may trick body into "thinking"; it exercised: A new study is creating both hope, and worries that a remarkable substance could be ripe for abuse. ...
* Tit-for-tat: birds found to repay wartime help Pied flycatchers and red-winged blackbirds share two traits, studies suggest: they're feisty defenders and...
* Penguin populations falling steeply: biologist Like the proverbial canary in the coal mine, penguins are sounding the alarm for possible environmental...
* The Odyssey astronomically accurate?: The ancient Greek epic of adventure at sea and long-awaited homecoming may have more truth than suspected, scientists...
* Almost "uncontacted" tribe revealed in photos: Rare photos were released to highlight the perils facing peoples living remote from the modern world. ...
* Tests back up theory of hot springs on Mars: Mars may have experienced life-giving processes similar to those that occur at Yellowstone National Park,...
* Dip in brainpower may follow drop in real power: Researchers say low status seems to erode mental function -- with complicated implications for society. ...
* Estimates for peopling of Americas getting earlier: Humans appear to have first entered the Americas some 22,000 years ago, according to some archaeologists....
* Pollution may make birds change their tune: Nothing like a birdsong to remind you of nature's glory, right? Maybe not quite, according to rather creepy new...
* Robot arms race seen underway: Proponents of robot weapons say they could keep soldiers out of harm's way. Critics say the machines raise troubling...
* Moon systems, not planets, may be place to find life: Alien life might be both easier and more interesting to discover through a new strategy, a study...
* Communing with nature less and less: People are losing interest in the outdoors, and it bodes ill for health and the environment, researchers warn. ...
* Get lazy, age faster: People who are physically active in their spare time seem biologically younger than their couch-bound peers, researchers say. ...
* Claim of alien cells in rain may fit historical accounts: study A controversial theory concerning recent strange, red rains hasn't died. In fact, things...
* Mystery world a merged planet?: A strange object "needs a strange explanation," an astronomer says. http://www.world-science.net/othernews/080110_merger.htm ...
NOTE: Apologies for the mistaken subject line in the previous email. --The Editors. * Shrinking helium reserves may threaten more than kids' play: The element...
