Uncategorized
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Health & MedicineBrain stents pose risks
Devices to prop open narrowed vessels appear to raise the risk of death or stroke compared with medicines alone, a study finds.
By Nathan Seppa -
LifeIn the dark, cave fish follows its own rhythm
Scientists unwind an odd biological clock to better understand how organisms set daily cycles.
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ChemistryExplosive goes boom, but not too soon
Leavening a volatile new material with good old TNT yields a substance that’s safer to handle and easily reverted into a highly potent form.
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ChemistryIf that’s a TV, this must be the den
In some situations, the brain identifies a location based on a checklist of objects.
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SpaceAtom & Cosmos
Long-lost Martian glaciers, ozone on Venus and more in this week’s news.
By Science News -
Tools tell a more complicated tale of the origin of the human genus
The first animals that could arguably be called “human” made the evolutionary scene a little less than 2 million years ago. These aren’t folks you’d mistake for modern-day Homo sapiens, or even the GEICO caveman. But they were clearly distinct from their more apelike predecessors. They had bigger brains, for one thing, and walked fully […]
By Matt Crenson -
PaleontologyAcidifying oceans helped fuel mass extinction
The great die-off 250 million years ago could trace in part to hostile water conditions, a modeling study suggests.
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HumansHumans
Humans and Neandertals may not have interbred, after all, the backlash of selfishness and more in this week's news.
By Science News -
ChemistryMolecules
Tracking the source of wines’ deep reds, fish oil goes to the brain and more in this week’s news.
By Science News -
EarthEarth & Environment
The supercontinent of the future, pollutants from laundry detergent and more in this week’s news
By Science News -
Health & MedicineObesity can turn body fat toxic
Excess blubber below the skin can trigger inflammation, possibly increasing risk of disease.
By Janet Raloff -
LifeGenes & Cells
Bacterium’s DNA mostly unused, the death of Black Death and more in this week’s news.
By Science News