Humans
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We summarize the week's scientific breakthroughs every Thursday.
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HumansOceans set stage for human evolution
Temperature changes off the coast dried out East Africa and allowed grasslands to spread starting around 2 million years ago.
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HumansHarsh conditions in childhood have long-term effects
Kids from Romanian orphanage also had lower volumes of gray matter.
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ArchaeologyArchaeoacoustics: Tantalizing, but fantastical
While compelling, findings lack scientific rigor.
By Nadia Drake -
Health & MedicineOsteoporosis drugs delivered wirelessly
Implanted microchip that releases medications on command has been tested in people for the first time.
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Health & MedicineAntibiotic fails sinus infection test
Treatment with amoxicillin provided little benefit over placebo, a new study finds.
By Nathan Seppa -
HumansDespite lean times, Obama wants R&D hikes
The proposed federal budget would stall nonmandated spending overall, but science and tech would climb.
By Janet Raloff -
HumansFood exports can drain arid regions
Many dry regions ‘export’ large amounts of water in the form of agricultural products.
By Susan Milius -
PsychologyBabies catch words early
Vocabulary learning starts when babies can barely babble.
By Bruce Bower -
Health & MedicineJust two cells to make memories last
A pair of neurons in fly's brain is essential to long-term information storage and retrieval.
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PsychologyVodka delivers shot of creativity
Alcohol intoxication raises men’s performance on a test of verbal ingenuity.
By Bruce Bower -
LifeCancer drug may have Alzheimer’s benefits
Medication helps the brain clear a plaque-forming protein associated with dementia.