Uncategorized
- 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.
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19692
In this article, Alycia Weinberger says, “The discovery of a disk around the planetary-mass companion to 2M1207 should be a bit of a relief to planet-formation theorists” because it casts doubt on the object being a planet. But wouldn’t our early solar system have been composed of at least two planets, Jupiter and Saturn, that […]
- 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.
