Live Science

What's Hot This Week Unconsciously, Everyone Wants to Date a Hottie Jennifer Welsh, LiveScience Staff Writer This need for physical attraction could be why online dating falls flat. Science Fact or Fantasy? 20 Imaginary Worlds Charles Choi, LiveScience Contributor From the land of Oz to Middle Earth, here's a look at the reality of imaginary realms. Sponsored by: How Stephen Hawking Has Beaten the Odds with ALS 'Couch Potato' Pill Prevents Heat Stroke, Study Finds