How Do You 3-D Scan a Dinosaur?

Using laser scanners and high-tech computer software, Vince Rossi and Adam Metallo are recreating a digital Dinosaur Hall before it's dismantled (2:36)

Produced by: Paul Bisceglio and Ryan R. Reed


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45 Odd Facts About U.S. Presidents

John Green of Mental Floss discusses which president ran over a lady with his horse and Richard Nixon's favorite snack (6:49)


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