Scientists search for El Niño secrets

Aired: 4/6/2016 | 0:09:01 | Clip
When weather events like El Niño impose themselves, everybody on the planet feels it. Scientists are getting better at predicting El Niño, but there is still a lot they don't know amid an absence of data. Science correspondent Miles O'Brien follows along as weather scientists gather information in Hawaii by air and by sea.