News
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AstronomyRing around the galaxy
The Hubble Space Telescope has captured the largest number ever of elliptical galaxies with Einstein rings, a marker of gravitational lensing.
By Katie Greene -
DNA Clues to Our Kind: Regulatory gene linked to human evolution
A gene that exerts wide-ranging effects on the brain works harder in people than it does in chimpanzees and other nonhuman primates.
By Bruce Bower -
Danger Mouse: Deleting a gene transforms timid rodents into daredevils
By removing one gene from a mouse's standard repertoire, scientists have turned a timid animal into an intrepid one.
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EarthNonstick Taints: Fluorochemicals are in us all
A new federal study strongly suggests that all U.S.