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		Humans2010 Intel ISEF showcases next-gen scientists
Top high school scientists from around the world compete for more than $4 million in prizes at weeklong competition.
By Science News - 			
			
		EarthLizards threatened by warming
Analysis suggests climate change could wipe out 20 percent of species, 39 percent of local populations.
By Susan Milius - 			
			
		EarthEarliest birds didn’t make a flap
The feathers of Archaeopteryx and Confuciusornis probably were not strong enough to support sustained flight.
By Sid Perkins - 			
			
		HumansGrown men swap bodies with virtual girl
People who undergo virtual-reality perspective shifts feel like they’ve switched bodies with a virtual character.
By Bruce Bower - 			
			
		LifeEureka, brain makes real mental leaps
Studies of rats reveal neuron activity changes en masse during aha moments.
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		LifeAll present-day life arose from a single ancestor
A major tenet of evolutionary theory — that all life stems from a common source — passes a statistical test.
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		ChemistryAnother plastics ingredient raises safety concerns
Bisphenol A’s ‘twin’ may be more potent at perturbing estrogen signals.
By Janet Raloff - 			
			
		AnimalsMirror, mirror on the wall, you’re the scariest fish of all
That thing in the mirror may be more upsetting than a real fish.
By Susan Milius - 			
			
		Health & MedicineGlobal child deaths on decline
Infectious diseases kept numbers for 2008 staggeringly high, with 8.8 million children dying before age 5, a new survey shows.
By Nathan Seppa - 			
			
		Health & MedicineSickle-cell anemia tied to cognitive impairment
Patients with the hereditary condition score worse on standardized tests than people without it.
By Nathan Seppa - 			
			
		PsychologyBereaved relatives helped by chance to view body after sudden loss
Grieving people rarely regret having seen a dead loved one, even in cases of violent death, a British study suggests.
By Bruce Bower - 			
			
		EarthArchaeopteryx fossil seen in new light
X-ray technique reveals original tissue in the feathers of a primitive bird fossil.
By Sid Perkins