Ever solve problems while half-asleep? Discover how history's greatest minds—from Einstein to McCartney—unlocked breakthrough ...

After Albert Einstein died, researchers studied his brain exhaustively, trying to find the source of his genius. Here are their findings.

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At close: May 23 at 10:09:11 AM CST ...

I love introducing kids to ordinary people who did amazing things by reading picture book biographies for kids. Don't you?