Top news for December 21, 2008

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On This Day In Space: Nov. 18, 2013: NASA launches MAVEN orbiter to Mars

This Week In Space podcast: Episode 37 —Rise of the megarockets

Man Suffers Memory Loss 10 Minutes After Having Sex, Here’s What Transient Global Amnesia Is

Scientists Use CRISPR to Seriously Boost Tomatoes' Vitamin D Levels

Physicists Discover Strange Array of Links and Knots in Quantum Matter

This Study Might Make You More Mindful When You Talk to Your Pets

Imagining early Earth as an exoplanet can help us search for alien life, scientists say

Astronomy & Astrophysics 101: Dark Energy

Male mice are terrified of bananas. Here's why.

Space Station Crew Explores How Space Affects Eyes, Brain and Heart