New study shows some U.S. states are happier than others
November 12, 2009, 12:18 a.m. by Katherine Butler
Key ingredients are more tolerant, wealthy citizens and high level of creativity.
Scientists propose a Plan B to cool the planet through geoengineering
November 2, 2009, 12:18 a.m. by Katherine Butler
But are we willing to live without blue skies?
United Nations says existing biofuel policies bad for the Earth
October 30, 2009, 3:55 p.m. by Katherine Butler
New report calls for less damage in the development of biofuels.
These birds prove you don't need a big brain for a complex social life
Monarch butterflies make a pit stop in Colorado
Przewalski's horses: 10 things you didn't know about the last 'wild' horses on Earth
Why do birds migrate at night?
Traditional soup broths found with healing powers that can fight off malaria
Dogs really are 'the best people,' and we have the photos to prove it