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AnthropologyAncient climate shifts may have sparked human ingenuity and networking
Stone tools signal rise of social networking by 320,000 years ago in East Africa, researchers argue.
By Bruce Bower -
PhysicsSTEVE the aurora makes its debut in mauve
A newly discovered type of aurora is a visible version of usually invisible charged particles drifting in the upper atmosphere.
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PlantsLiverwort reproductive organ inspires pipette design
A new pipette is inspired by a plant’s female reproductive structure.
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Planetary ScienceDwarf planet Ceres may store underground brine that still gushes up today
Waterlogged minerals and changing ice add to evidence that Ceres is geologically active.
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AstronomyNew Horizons’ next target has been dubbed Ultima Thule
NASA has named New Horizons spacecraft’s next target Ultima Thule after the public suggested tens of thousands of monikers for the Kuiper Belt object.
By Mike Denison -
CosmologyRenowned physicist Stephen Hawking dies at 76
Beyond his research contributions, Stephen Hawking popularized black holes and the deep questions of the cosmos.
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Planetary ScienceCosmic dust may create Mars’ wispy clouds
Magnesium left by passing comets seeds the clouds of Mars, a new study suggests.
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NeuroscienceBrain waves may focus attention and keep information flowing
Not just by-products of busy nerve cells, brain waves may be key to how the brain operates.
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AnimalsDino-bird had wings made for flapping, not just gliding
Archaeopteryx fossils suggest the dino-birds were capable of flapping their wings in flight.
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AstronomyWe probably won’t hear from aliens. But by the time we do, they’ll be dead.
Astronomers build on the Drake Equation to probe the chance that humans will find existing aliens. The answer: Not likely.
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NeuroscienceHow biology breaks the ‘cerebral mystique’
The Biological Mind rejects the idea of the brain as the lone organ that makes us who we are. Our body and environment also factor in, Alan Jasanoff says.
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NeuroscienceDepression among new mothers is finally getting some attention
Scientists search new mothers’ minds for clues to postpartum depression.
By Laura Beil