Top news for December 21, 2008

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Molten Martian core could explain red planet's magnetic quirks

How to Watch the Southern Delta Aquariids and Perseids Meteor Showers

Pornography's Prevalence Could Have a Dire Impact on Our Brain, Studies Show

New Study Shakes Up Heart Disease Theory: High Cholesterol May Not Mean High Risk

Popular CT scans could account for 5% of all cancer cases a year - EurekAlert!

A Signal Too Strange to Ignore – And It May Reveal a New Kind of Matter

The gut health benefits of sauerkraut - EurekAlert!

New fuel cell is equipped with gills for autonomous underwater vehicles

Sleep matters: Duration, timing, quality and more may affect cardiovascular disease risk - EurekAlert!

Scientists Witness Living Plant Cells Build Their Own Cell Walls for the First Time