November 16, 2011 To find out why some livers retain fat during cooking, scientists analyzed liver proteins in ducks. They found that if you reduce the time you overfeed the ducks, you're get livers that lose less fat during cooking.
November 3, 2011 There are now 7 billion people, according to the U.N.'s population division. That prompts a question: Who else is in the 7 Billion Club? To learn which other animals had reached that plateau, we asked wildlife experts — who said it's a tough call.
July 12, 2011 Methuselah, a giant tortoise whose life began in the Galapagos Islands 130 years ago, has died in Rapid City, South Dakota. Since 1954, the huge animal was the star attraction at Reptile Gardens, where officials estimate that he posed for photographs with tens of thousands of visitors.
June 20, 2011 Father's Day got me thinking about just how different different dads are. A piece in Scientific American looks at the various approaches to fatherhood within the animal kingdom. Male marmosets are my top pick and lion dads show room for improvement.