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Materials ScienceNanofluid Flow: Detergents may benefit from new insight
Fluids containing nanoscale particles spread and readily lift oil droplets off a surface.
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PaleontologyWinging South: Finally, a fly fossil from Antarctica
A tiny fossil collected about 500 kilometers from the South Pole indicates that Antarctica was once home to a type of fly that scientists long thought had never inhabited the now-icy, almost insectfree continent.
By Sid Perkins -
EarthFarm Harm: Ag chemicals may cause prostate cancer
On-the-job exposure to certain agricultural chemicals may be responsible for farmers' high rates of prostate cancer.
By Ben Harder -
AstronomyStarry View: Image reveals galaxy’s violent past
The most detailed visible-light picture ever taken of the heavens reveals that the nearby Andromeda galaxy has had a much more violent history than our own Milky Way has.