News
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Space
Magnetars may fuel briefer bursts
Rapidly spinning neutron stars could be the source of some short gamma-ray explosions, astronomers propose.
By Ron Cowen -
Planetary Science
New rock type found on moon
Odd spots on the lunar farside could be ancient material that originated deep inside the moon.
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Tech
Coming soon: Holographic Skype
The creators of the fastest telepresence system to date predict real-time 3-D TV in a decade.
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Health & Medicine
MRIs pinpoint time of stroke
Doing a magnetic resonance scan promptly when a patient arrives at a hospital could render more patients eligible for a time-sensitive clot-busting therapy that can limit brain damage.
By Nathan Seppa -
Chemistry
Skin is no barrier to BPA, study shows
The new finding suggests handling store receipts could be a significant source of internal exposure to the hormone-mimicking chemical.
By Janet Raloff -
Earth
Arctic lake yields climate record
A Siberian drilling project goes to great lengths to capture an ancient climate record in a 3.6 million-year-old crater.
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Physics
Entanglement loophole closed
A long-distance experiment rejects a challenge to quantum physics.
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Tech
Trading places
As the pace of financial transactions accelerates, researchers look forward to a time when the only limiting factor is the speed of light.
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Space
Revealing the galaxy’s dark side
Observations of the Milky Way’s center detect gamma rays characteristic of the universe’s missing mass.
By Ron Cowen -
Health & Medicine
The fingers don’t lie
The brain has at least two copy editors, typing experiments show.
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Humans
Deep African roots for toolmaking method
A method for trimming stone-tool edges appeared 75,000 years ago in southern Africa, archaeologists contend, long before previous evidence of the practice.
By Bruce Bower