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Astronomy

Votes cast for and against the WIMP factor

Physicists this week duked it out over a bunch of WIMPs, elementary particles that—if they exist—could solve a decades-old mystery in cosmology and help unify the four fundamental forces of nature.

Chemistry

Power plants: Algae churn out hydrogen

Green algae can produce hydrogen, a clean-burning fuel that could one day power pollution-free cars.

Physics

Manhandled molecules, midget memories

A thick coating of organic chemicals can record information at densities potentially a million times greater than is possible with current compact disk technology.

Archaeology

Vase shows that ancients dug fossils, too

A painting on an ancient Corinthian vase may be the first record of a fossil find.