* The Odyssey astronomically accurate?: The ancient Greek epic of adventure at sea and long-awaited homecoming may have more truth than suspected, scientists...
* Penguin populations falling steeply: biologist Like the proverbial canary in the coal mine, penguins are sounding the alarm for possible environmental...
* 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...
* 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. ...
* Dolphins and the evolution of teaching: By repeating actions many times and seemingly "pointing" at things, some dolphins appear to teach their young to...
* Robotic helicopters teach themselves stunts: The research is a prelude to designing choppers that search for land mines or fight fires, scientists predict. ...
* "Historic" collider operation begins: The first beam in the world's newest and largest particle collider was switched on this morning, physicists announced. ...
* NASA: snow found in Martian skies: It's not certain whether the flakes ever reach ground, researchers say. http://www.world-science.net/othernews/080929_snow...
* Found: earliest known animal tracks?: Scientists claim to have found possibly the earliest animal footprints, but admit their report will stir skepticism. ...
* "Other half" of Darwin's theory passes test: Some flirtatious microbes have confirmed Darwin's view of how sexual advertising evolves, biologists say. ...
* "Real" Crusoe's isle said to yield clues to sojourn: The tale of the marooned Robinson Crusoe is thought to be based on the actual story of sailor Alexander ...
* Did a modern-day scourge save ancient Earth?: A gas blamed for global warming may once have helped Earth escape a deep freeze, some scientists propose. ...
* How "puppydog eyes" do their trick: it's chemistry A so-called trust hormone may promote bonding between members of different species, as well as within a...
TOP STORIES * Ill-fated ice man may have suffered two assaults: Scientists say they've revealed a new chapter in a murder case some 5,300 years old. ...
* Fossil snake said to break length record: An ancient South American snake that might make today's feared anacondas seem almost cuddly is renewing discussion...
* Richest biological zones found to suffer most wars: More than four in five wars in recent times arose in areas identified as the most biologically diverse, a...
* From oral to moral? Dirty deeds may prompt "bad taste" reaction: Moral disgust may be an outgrowth of older forms of revulsion, psychologists propose. ...
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