News
- Health & Medicine
Inactivity, not altitude, is probably behind blood clots
Low cabin pressure aboard aircraft is not to blame for the rare but dangerous blood clots that some passengers get during long flights.
- Astronomy
Not a planet?
New observations add to the evidence that an image of a planetary-mass object discovered beyond the solar system is not that of a bona fide planet.
- Anthropology
Variety spices up Neandertals’ DNA
A surprising amount of genetic diversity characterized Neandertals.
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Sharp rise noted in meds for youths
Antipsychotic-drug treatment of children and teenagers seen by office-based physicians increased dramatically between 1993 and 2002.
