NPR News: Tornado Outbreaks Are On The Rise, And Scientists Don't Know Why

Tornado Outbreaks Are On The Rise, And Scientists Don't Know Why
A new study looks at clusters of tornadoes, like those that hit the Southeast this week. They are costly in lives and insurance payouts.

Đọc thêm tại NPR
at December 2, 2016 at 05:14AM
Health & Science