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3,983 results for: Dogs
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		Health & MedicineWaiting to exhale
Scientists sift through the chemical potpourri that escapes our lungs for new ways to diagnose disease.
By Laura Beil - 			
			
		Science & SocietyTop 25 stories of 2013, from microbes to meteorites
This year, careful readers may have noticed a steady accumulation of revelations about the bacterial communities that call the human body home.
By Matt Crenson - 			
			
		LifeGenes indicate Stone Age link between India and Australia
Genetic evidence suggests some people migrated from India to Australia roughly 4,300 years ago.
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		CosmologyThe mysterious boundary
A debate has arisen over whether an astronaut passing a black hole’s point of no return would get stretched to death or flash-fried. Resolving the controversy may lead to new insights about gravity and more.
By Andrew Grant - 			
			
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		LifeTasmanian devil disease reveals its secrets
The contagious cancer evades the animal’s immune system by turning off key genes.
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		HumansCannibalism in Colonial America comes to life
Researchers have found the first skeletal evidence that starving colonists ate their own.
By Bruce Bower - 			
			
		Particle PhysicsHiggs mass isn’t natural, but maybe it shouldn’t be
Famous particle’s perplexing properties suggest physicists should change their expectations.
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		LifeIn the real world, cheetahs rarely go all out
Famous for speed, the big cats actually rely on acceleration and maneuverability to capture prey.
By Susan Milius - 			
			
		Health & MedicineWhooping cough bounces back
A new type of pertussis vaccine introduced in the late 1990s may have led to the return of a disease that was nearly eradicated 40 years ago. Public opposition to vaccination hasn’t helped matters.
By Nathan Seppa - 			
			
		Letters to the editor
Scrutinizing baseball’s streaks My family owned the Oakland A’s, formerly the Kansas City Athletics, from 1960 to 1980. During this period, our team won three consecutive World Series (1972 – 74) and five consecutive division titles (1971 – 75). I personally witnessed that one player would be on a streak and his attitude appeared to raise his teammates’ spirits […]
By Science News - 			
			
		MicrobesMicroscopic menagerie
The microbes dwelling in and on multicellular organisms should be viewed as evolutionarily inseparable from their hosts, some biologists argue.
By Susan Milius