PBS NewsHour

Poll: Scientists and public differ on what's 'dangerous'

Clip: 02/01/2015 | 3m 39s

A new study conducted by the Pew Research Center found a large gap between what the public believes is dangerous and what scientists believe. Pew's Lee Rainie joins William Brangham from Washington with more.

Aired: 02/01/15

Rating: NR

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