Mammoth 'Butchered' by Ancient Man
A young woolly mammoth, found remarkably well preserved in the tundra in Siberia, may have been attacked by lions -- but scientists say there are signs it was then butchered by ancient humans.

Ancient 'Iceman' Had Modern Ailments
Scientists have sequenced the genome of the famed 5,300-year-old Tyrolean iceman, found frozen in the Alps in 1991 -- and discovered he had genetic vulnerability to heart disease, as well as Lyme disease.

20 TV Shows With the Most Social Media Buzz This Week
The most universal sport in the world dominated social networks Saturday. Soccer (or "football," depending on your preference) teams Chelsea and Bayern Munich battled in Munich's Allianz Arena for the UEFA Championships League trophy.

Pinterest: 5 Ways to Use the Social Site
Pinterest has taken the Internet by storm. Here are five ways to use the social pinning site.

Water World: New 'Super-Earth' Found
Scientists report they have found an exoplanet -- a world orbiting a distant star, 22 light-years away -- that they call the best candidate yet to be the right temperature for liquid water and, perhaps, life. It is labeled GJ 667Cc, and it is located in the constellation Scorpio.

Silicon Valley takes Facebook fizzle in stride

SAN FRANCISCO (Reuters) - Facebook's lackluster initial public offering performance is a black eye for many on Wall Street and could have ramifications for similar upcoming deals such as an offering by Twitter, but venture capitalists in Silicon Valley are keen to shrug off Facebook's stumble - at least for now. ...