Top news for December 21, 2008

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Apollo 11 astronaut Michael Collins has passed away

Time-Reversal Symmetry Breaking in a Superconductor

Scientists' discovery of blood clotting mechanism could lead to new antithrombotic drugs

Side effect of cancer treatment can be safely reduced with topical cream

Coming Home: Tope Sharks Return After Three Years

Nestlé threatened with cease-and-desist over alleged illegal water use

New model may explain the mystery of asymmetry in Parkinson's disease

With Goals Met, NASA to Push Envelope with Ingenuity Mars Helicopter

Espresso, latte or decaf? Genetic code drives your desire for coffee

Parents more lenient about alcohol with teens who experience puberty early