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Health & MedicineIt’s all just roughage
People at risk of the colon disorder known as diverticulitis don’t need to avoid nuts, corn and popcorn, as previously recommended.
By Nathan Seppa -
Health & MedicineAmniotic sac not so sacrosanct
Infections found in amniotic fluid may be more common than thought and may cause premature birth.
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LifeLive long and alter
Yeast cells fed a calorie-restricted diet live longer and have just as much energy as those fed a normal diet.
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Health & MedicineLooking beyond insulin
Leptin gene therapy reverses many of the consequences of type 1 diabetes in mice and rats.
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LifeCompass creatures
Herds of grazing and resting deer and cattle tend to align themselves with the Earth’s magnetic field, a hint that the large mammals can somehow sense the invisible field.
By Sid Perkins -
ChemistryPopular plastics chemical poses further threat
The chemical bisphenol A may raise the risk of heart attacks and type 2 diabetes by suppressing a protective hormone.
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LifeFinding health in fragility
A unifying principle for protein networks' weaknesses could aid development of new drugs.
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Health & MedicineStem cells, show your face
As researchers develop ways of reprogramming adult cells, such as skin cells, to have the same flexibility as embryonic stem cells, this new test shows that the reprogrammed stem cells are truly capable of becoming any cell in the body.
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LifeBisexual cockroach dads
Male hissing roaches with flexible tastes sire more young.
By Susan Milius -
MathSeeing in four dimensions
Mathematicians create videos that help in visualizing four-dimensional objects.
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ChemistryTurning CO2 into chalk and sand
Removing carbon dioxide from smokestacks and storing it permanently is one of the possible solutions to global warming, but remains expensive to do. A new technique could make carbon sequestration economical on a large scale, while producing useful materials on the side.