News
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		Health & MedicineHow farm life can prevent allergies
Farm dust prevents allergies by turning on an anti-inflammatory enzyme in the cells lining mice’s lungs.
By Meghan Rosen - 			
			
		AnthropologyAncient pottery maps route to South Pacific
New Guinea pottery points to a key meeting of island natives and seafarers at least 3,000 years ago.
By Bruce Bower - 			
			
		LifeUnhelpful adaptations can speed up evolution
Unhelpful changes in gene activity stimulate natural selection.
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		Materials ScienceNanogenerators harvest body’s energy to power devices
Nanogenerators offer body-harvested energy to fuel bionic future
By Beth Mole - 			
			
		AstronomyNearby quasar may be home to dynamic duo
A pair of black holes left over from a galaxy collision might live in the nearest quasar to Earth.
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		EarthVolcanic activity convicted in Permian extinction
Precision dating confirms that Siberian volcanic eruptions could have triggered the Permian extinction.
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		Quantum PhysicsNew experiment verifies quantum spookiness
A new experiment provides the most robust proof that quantum mechanics doesn’t follow the rules we take for granted in everyday life.
By Andrew Grant - 			
			
		AnimalsDecoy switches frogs’ mating call preference
A female túngara frog may switch her choice between two prospective mates when presented with a third, least attractive option.
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		Health & MedicineVaccinated man excretes live poliovirus for nearly 3 decades
For almost 30 years, a man with an immune deficiency has been shedding poliovirus strains that have evolved from the version he received in a vaccine.
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		PsychologyPsychology results evaporate upon further review
Less than half of psychology findings get reproduced on second tries, a study finds.
By Bruce Bower - 			
			
		PhysicsHawking proposes solution to black hole problem
Light sliding along the boundary of a black hole encodes everything that ever fell inside, suggests Stephen Hawking in a new but incomplete proposal.
By Andrew Grant - 			
			
		Health & MedicineBlood test can predict breast cancer relapse
Blood tests for breast cancer DNA can predict relapse.