News
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Life
Compass 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 -
Chemistry
Popular 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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Life
Finding health in fragility
A unifying principle for protein networks' weaknesses could aid development of new drugs.
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Health & Medicine
Stem 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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Life
Bisexual cockroach dads
Male hissing roaches with flexible tastes sire more young.
By Susan Milius -
Chemistry
Turning 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.
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Psychology
World of hurt
Treatments shown to diminish psychological problems in traumatized youngsters often don’t get used, an exhaustive research review concludes.
By Bruce Bower -
Health & Medicine
How mice smell fear
Mice may use a cluster of neurons known as the Grueneberg ganglion to detect alarm pheromones.
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Psychology
Undecided voters not so undecided
A measure of unconscious attitudes predicts the opinions that undecided people eventually reach on a controversial issue.
By Bruce Bower -
Earth
Deep sea viruses are an unexpected ringer
Deep-sea vent waters harbor high numbers virus-carrying bacteria. The viruses may actually help the bacteria survive the harsh vent environments.
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Life
Ground squirrels use ‘armpit effect’
Hibernating ground squirrels forget who’s who, so thank goodness for the armpit effect.
By Susan Milius -
Health & Medicine
Ear infections make fatty food sound good
A history of middle ear infections could give people an affinity for fatty foods and leave them twice as likely to become obese.