Teen birth rates across the U.S.
A state-by-state look at birth rates among teen girls ages 15 to 19 in 2008, with data on the mother's race from 2007. Roll over a state to see the local teen birth rate.
Map: Teen pregnancy map
Brain overload explains lost childhood memories
Where did all those early childhood memories go? They probably got cut off by fast-growing brain cells, scientists say.
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