News
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AnimalsEat a Killer: Snake dines safely with strategic delays
An Australian snake kills dangerous frogs then waits for their defensive chemicals to degrade before eating them.
By Susan Milius -
PhysicsLight does some weird math
Adding a photon to a light pulse then taking one out gives a different result from doing the same operations the other way around.
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Health & MedicineAntibiotic improves recovery from stroke
An antibiotic called minocycline seems to limit brain damage and disability in stroke patients.
By Nathan Seppa -
EarthArctic sea ice falls to modern low
The area of sea ice in the Arctic is at its lowest in nearly three decades of satellite monitoring.
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AnthropologyAncient DNA moves Neandertals eastward
Evidence from mitochondrial DNA indicates that Neandertals lived 2,000 kilometers farther east than previously thought.
By Bruce Bower -
Health & MedicineDiabetes precursor may be checked by omega-3 fatty acids
Omega-3 fatty acids in the diet might fend off diabetes in children prone to the disease.
By Nathan Seppa -
EarthA different spin
A change in the properties of Earth's mantle at high pressure and temperature may influence seismic waves in a novel way.
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Exercise steps up as depression buster
Aerobic exercise, done alone or in a group, eases depression almost as well as a common antidepressant does.
By Bruce Bower -
Planetary ScienceMartian rovers survive storm
Three months after being stymied by a planet-wide dust storm, NASA's twin Mars rovers are back in action.
By Ron Cowen -
AnimalsCrowcam: Camera on bird’s tail captures bird ingenuity
Video cameras attached to tropical crows record the birds' use of plant stems as tools to dig out food.
By Susan Milius -
Health & MedicineShields Down: A cancer-fighting gene declines in old age
Decline of an important anti-cancer gene could contribute to increased cancer risk among the elderly.
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AstronomyMatch Made in Heaven: Nearby galaxies resemble faraway type
Several nearby galaxies seem nearly identical to some of the remotest galaxies known, offering a glimpse of the era when galaxies first formed.
By Ron Cowen