How do you become a scientist? "It's really easy: you start out as a little kid and then you never grow up," says explorer and biologist Sylvia Earle. In the latest installment of Science Friday's Desktop Diaries series, Her Deepness takes us on a tour on her Oakland office (Earle has desks all over the country) items of interest include a shrunken head, a lifesize green moray, and a submersible capsule.