Live Science

What's Hot This Week The Guppy: Newest Top Predator? Wynne Parry, LiveScience Senior Writer A chemical quirk puts guppies at the top of the food chain. How We Assign Blame for Corporate Crimes Remy Melina, LiveScience Staff Writer The more unified a group is, the less responsible the public holds its members for their individual actions... Sponsored by: Life's Extremes: Pathological Liar vs. Straight Shooter Best Science Photos of the Week - Dec. 10, 2011