News
- 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.
- Earth
Gasp! Ozone limits don’t protect babies
In healthy infants, even ozone concentrations well below those allowed by federal law trigger asthmalike symptoms.
- Astronomy
Spewing superdust
Astronomers have identified a type of supernova as the main source of space dust.
