'Queen of the Deep' Sylvia Earle: 'Every time I go into the water, I see things I've never seen before'

At 87 years old, Sylvia Earle has no retirement plans. The celebrated oceanographer, who holds the world record for deepest untethered walk along the seafloor, has spent more than seven decades exploring the ocean. As one of world's most outspoken advocates for protecting it, she's not ready to stop yet.