All Stories
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		PsychologySometimes a failure to replicate a study isn’t a failure at all
Ego depletion is one of the most well-known concepts in social psychology. A recent study can’t confirm an old one showing it exists. Who is right? Probably everyone.
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		ClimateNew research may upend what we know about how tornadoes form
New data on the birth of tornadoes suggest that the twisters don’t form from the top down.
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		AnimalsEndangered northern bettongs aren’t picky truffle eaters
Without the northern bettong, the variety of Australia’s truffle-producing fungi could take a hit, a new study finds.
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		AnimalsCounting the breaths of wild porpoises reveals their revved-up metabolism
A new method tracks harbor porpoises’ breathing to collect rare information on the energy needs of the marine mammals.
By Susan Milius - 			
			
		NeuroscienceBig data reveals hints of how, when and where mental disorders start
The first wave of data from the PsychENCODE project holds new clues to how and when psychiatric diseases such as schizophrenia emerge.
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		ArchaeologyCorn domestication took some unexpected twists and turns
A DNA study challenges the idea people fully tamed maize in Mexico before the plant spread.
By Bruce Bower - 			
			
		NeuroscienceHere’s a rare way that an Alzheimer’s protein can spread
Amyloid-beta found in vials of growth hormone can move from brain to brain, a mouse study shows.
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		Animals50 years ago, armadillos hinted that DNA wasn’t destiny
Nine-banded armadillos have identical quadruplets. But the youngsters aren’t identical enough, and scientists 50 years ago could not figure out why.
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		AstronomyThe Parker Solar Probe takes its first up-close look at the sun
NASA’s Parker Solar Probe survived its first encounter with the sun and is sending data back to Earth.
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		PlantsHybrid rice engineered with CRISPR can clone its seeds
New research has created self-cloning hybrid rice, raising hopes of higher food production.
By Susan Milius - 			
			
		Health & MedicineBabies born in opioid withdrawal have unusually small heads
Infants born dependent on opioids had heads that were smaller than babies whose moms didn’t use the drugs during pregnancy.
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		Health & MedicineMany babies are crummy sleepers, confirming what millions of parents already know
A new survey suggests that lots and lots of babies aren’t sleeping through the night. The results may prompt new parents to lower their expectations.