News
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		PsychologySuicide rates drop in big cities
With more social connections, people may be less inclined to take their own lives.
By Meghan Rosen - 			
			
		AstronomyKepler space telescope data uncovers 715 new planets
Astronomers used a new tool to quickly confirm the detection of exoplanets.
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		Health & MedicineExperimental drug no Methuselah formula
Compound lets mice live healthier lives but doesn't extend life span.
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		NeuroscienceGirls may require more mutations than boys to develop autism
New results may help explain why more males wind up with autism.
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		Health & MedicineExperimental vaccines protect children from hand, foot and mouth disease
Shots prevented cases resulting from enterovirus 71.
By Nathan Seppa - 			
			
		LifeRivalry helps fruit flies maintain brainpower
In lab tests, males dim mentally after generations without competitors.
By Susan Milius - 			
			
		PhysicsQuantum droplet discovered
Electrons and holes gather to form a tiny, liquidlike particle.
By Andrew Grant - 			
			
		ClimateExtreme heat on the rise
Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.
By Beth Mole - 			
			
		AnthropologyCancer proposed as spur for evolution of dark-skinned ancestors
Fatal ailments might have sparked DNA changes that yielded dark skin in human ancestors.
By Bruce Bower - 			
			
		Health & MedicineCamels in Saudi Arabia teeming with MERS virus
Three-quarters of animals tested had signs of the MERS virus, which can be deadly in people.
By Beth Mole - 			
			
		Health & MedicineUrine test detects not pregnancy but cancer
A paper strip uses nanoparticles to pick up evidence of tumors or blood clots in mice.
By Meghan Rosen - 			
			
		NeuroscienceLike people, dogs have brain areas that respond to voices
MRI study may help explain how pups understand human communication.