News
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AnthropologyEthiopians reveal high-altitude twist
To the surprise of researchers, blood measures of oxygen-rich hemoglobin in Ethiopian villagers living more than 2 miles above sea level are the same as those of lowland dwellers.
By Bruce Bower -
PhysicsPrying apart antimatter
Matter and antimatter look reassuringly alike in physicists' first investigations of energy levels of antihydrogen atoms.
By Peter Weiss -
PhysicsPrying apart antimatter
Matter and antimatter look reassuringly alike in physicists' first investigations of energy levels of antihydrogen atoms.
By Peter Weiss -
Health & MedicineHerpes vaccine progresses
A new vaccine for genital herpes protects some women but not men.
By Nathan Seppa -
Health & MedicineHerpes vaccine progresses
A new vaccine for genital herpes protects some women but not men.
By Nathan Seppa -
PaleontologyNew fossil weighs in on primate origins
A 55-million-year-old primate skeleton found in Wyoming indicates that the common ancestor of modern monkeys, apes, and people was built primarily for hanging tightly onto tree branches.
By Bruce Bower -
PaleontologyNew fossil weighs in on primate origins
A 55-million-year-old primate skeleton found in Wyoming indicates that the common ancestor of modern monkeys, apes, and people was built primarily for hanging tightly onto tree branches.
By Bruce Bower -
Brain’s Moving Experience: Motion illusion yields a neural surprise
A brain-imaging study indicates that the primary motor cortex, the control center for issuing motor commands, also aids in the perception of the body's position and planning for upcoming movements.
By Bruce Bower -
Health & MedicineMale Pill on the Horizon: Drug disables mouse sperm but wears off quickly
A new oral drug created to ease a genetic disorder could have contraceptive benefits.
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EcosystemsTrust That Bird? A bit of future-think lets jays cooperate
A blue jay will cooperate with a buddy for mutual gain in food despite opportunities to betray the partnership.
By Susan Milius -
EarthDust Up: Office bustle launches anthrax spores
The commotion of everyday business in indoor spaces contaminated with anthrax can launch the bacterium's dangerous spores into the air.
By Ben Harder -
Planetary ScienceMartian History: Weathering a new notion
Researchers suggest that intermittent impacts by huge asteroids and comets some 3.5 billion years ago profoundly influenced the landscape of Mars.
By Ron Cowen