News
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AstronomyTelescope takes close-ups of distant star
Radio astronomers have for the first time probed ejected gas in the immediate surroundings of a distant star.
By Ron Cowen -
PaleontologyFeathered fossil still stirs debate
More than 2 years after scientists first described 120-million-year-old fossils of a feathered animal, a new analysis seems to bolster the view that the turkey-size species was a bird has-been and not a bird wanna-be.
By Sid Perkins -
TechNanotechnologists get a squirt gun, almost
A novel computer simulation of molecular behavior suggests that a minuscule squirt gun able to spit liquids a few hundred nanometers ought to work.
By Peter Weiss -
Skin cells reveal they have hairy origins
The outer layers of the skin may spring from cells in hair follicles.