Uncategorized
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Planetary ScienceEnceladus ocean may resemble Antarctic lake
The pH of a subsurface sea on a moon of Saturn resembles an ice-covered lake in Antarctica where microbial mats thrive.
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OceansOn East Coast, sea levels lean southward
On North America’s East Coast, sea levels tilt slightly downward to the north, new research finds.
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Health & MedicineStoplights are hot spots for airborne pollution
Drivers get a big chunk of their exposure to pollutants from short stops at traffic intersections.
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PaleontologyEarliest tree-dweller, burrower join mammal tree of life
Fossils show mammal ancestors did a lot more than cower in dinosaurs’ shadows.
By Susan Milius -
ClimateWorst drought in a millennium predicted for central and southwest U.S.
Comparing reconstructions of past drought conditions with models of future dryness shows that the Central Plains and Southwest U.S. will become the driest in a millennium.
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AnimalsWhen you’re happy and you show it, dogs know it
A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.
By Susan Milius -
GeneticsAncient East Asians mixed and mingled multiple times with Neandertals
East Asians’ ancestors interbred with Neandertals more than once, explaining why modern East Asians carry more Neandertal DNA than Europeans do, two studies suggest.
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Science & SocietyU.S. research workforce lags by some measures
Scientists’ share of total employment is lower in United States than in 16 other countries.
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Health & MedicineU.S. measles tally for 2015 now at 121 cases
The 2014–2015 measles outbreak in the United States has now reached people in 17 states and the District of Columbia.
By Nathan Seppa -
Health & MedicineGlowing amino acid lights up growing brain cancer
By adding a tracer compound that sticks to the amino acid glutamine, researchers may be able to discern and monitor cancerous tissues in the brain.
By Nathan Seppa -
AstronomyStellar nursery gives birth to quadruplets
Four young stars, still in their cocoons, show that binary and other multiple star systems form together.
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LifeThe genetic evolution of Darwin’s finches
A genetic analysis divides Darwin’s finches into more species and uncovers a gene involved in determining beak shape.