News
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SpaceExtraterrestrial chorus heard in radiation belts
Van Allen probes capture sound of electromagnetic disturbances in Earth’s magnetosphere.
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Health & MedicineSmoking hurts teen girls’ bones
Adolescents who use cigarettes seem to accumulate less bone mineral than those who don’t.
By Nathan Seppa -
LifeContender for world’s oldest dinosaur identified
An African specimen suggests the lineage may have arisen 15 million years earlier than thought.
By Tanya Lewis -
AstronomyVoyager crossing superhighway to solar system exit
The latest milestone in a 35-year journey may signal an impending passage to interstellar space.
By Tanya Lewis -
LifeAmong bass, easiest to catch are best dads
Recreational fishing may be inadvertent evolutionary force, favoring cautious fish over better caretakers of the young.
By Susan Milius -
LifeGut bacteria may affect cardiovascular risk
An abundance of antioxidant-producing microbes seems to keep plaques from breaking free and causing heart attacks and stroke.
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Planetary ScienceMars rover deploys final instrument
Soil analysis finds organic compounds of uncertain origin.
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HumansHelp Wanted: Must play well with high-powered coworkers
Leisure activities make or break job applicants at major banking, legal and consulting outfits.
By Bruce Bower -
LifeImmune disease an added blow to fungus-ridden bat populations
Rare immune complication previously seen only in people devastates animals that had appeared to evade white nose syndrome.
By Janet Raloff -
SpaceFirst rock from the sun turns out to have ice
Frozen material at the planet’s poles likely came from comet or asteroid impacts.
By Tanya Lewis -
Health & MedicineSimulated brain mimics human quirks
Model representing 2.5 million neurons performs calculations, issues instructions for a behavior, and then expands its decision into action.
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EarthGrand Canyon could be much older than thought
Disputed dating of rock erosion pegs the ancient chasm as 70 million years old.