Top news for December 21, 2008

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Assessing emotions in wild animals

Watch this spider crawl like an ant to avoid being eaten

How one man's rare Alzheimer’s mutation delayed the onset of disease

NASA’s Spitzer, TESS Find Potentially Volcano-Covered Earth-Size World

Coastal Protection Is Too Important Not To Experiment With

ESA’s ExoMars Rover Will Explore Untouched Corner Of Red Planet

Urban Bees Are More Stressed Out Than Their Suburban Or Rural Sisters

Electrifying Our Car Fleet Won’t Be Enough To Save Cities

A Naked Eye ‘Great Comet’ May Be On Its Way

Artists Recorded Haunting Sounds Made by The World's Largest Living Thing