Uncategorized
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Chemistry
Helium’s inertness defied by high-pressure compound
At pressures over a million atmospheres, helium reacts with sodium.
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Planetary Science
Ceres harbors homegrown organic compounds
NASA’s Dawn spacecraft has detected organic matter — the building blocks of life — on the dwarf planet Ceres, a new study suggests.
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Ecosystems
Seagrasses boost ecosystem health by fighting bad bacteria
Seagrasses might reduce bacteria levels in ocean water.
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Computing
Speech recognition has come a long way in 50 years
Early versions of computer speech recognition relied on word sounds. Now, they add pattern recognition and a lot of statistics.
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Health & Medicine
For Ebola patients, a few signs mean treatment’s needed — stat
A few criteria may help identify Ebola patients who need the most care.
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Health & Medicine
Gastric bypass controls diabetes long term better than other methods
Bariatric surgery outperforms other weight-loss measures in the longest-term study yet of diabetes outcomes.
By Laura Beil -
Physics
Sound waves could take a tsunami down a few notches
A tsunami’s ferocious force could be taken down a few notches with a pair of counter waves.
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Genetics
Human gene editing therapies are OK in certain cases, panel advises
A panel of experts says clinical gene editing to correct and prevent human disease should move forward, but enhancements should not be allowed.
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Paleontology
Fossil shows that ancient reptile gave live birth
A new fossil shows that a prehistoric reptile may have given birth to live young, unlike its egg-laying descendants, birds and crocodiles.
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Ecosystems
Mapping rainforest chemistry from the air reveals 36 types of forest
Aircraft analysis of tree chemicals reveals new biodiversity in the Peruvian rainforest.
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Psychology
Physically abused kids learn to fail at social rules for success
What physically abused kids learn about rewards at home can lead to misbehavior elsewhere.
By Bruce Bower -
Astronomy
Supernova spotted shortly after explosion
Early observations of exploding star could indicate that stars become unstable as they near death.