Ann's op-ed from the Pittsburgh Post-Gazette, with Beatriz Luna:

"THE NEW REPORT from the Centers for Disease Control on teen pregnancy confirms what many of us already know -- denying information to teens about how to prevent pregnancy does not prevent them from finding out about sex. It turns out they figure that out on their own. The recent rise in the teen birth rate, reversing a 14-year trend, proves that."

See the complete article at the Pittsburgh Post-Gazette

Ann's article in Science, Food for Thought

Did the first cooked meals help fuel the dramatic evolutionary expansion of the human brain?

See the summary of the article or the full text.

Ann's op-ed from the Los Angeles Times:

"IT'S BEEN A TOUGH month for creationists. On April 6, evolutionary biologists announced the discovery of a fossil of Tiktaalik roseae, a giant fish whose fins were evolving into limbs when it died 375 million years ago. This scaly creature of the sea was in transition to becoming a land animal, the discoverers wrote in Nature ...."

The complete article can be viewed at: The Los Angeles Times