It's a paradox of ocean life: The largest mammals like dolphins and whales survive on the tiniest food -- krill micro-size shrimps and organisms. (Picture trying to make a full meal out of flying kernels of popcorn!) So how do these big animals gather enough food to live? At TEDYouth 2012 Kelly Benoit-Bird discusses new research that shows large sea animals actually herding their tiny food into big bitable chunks.
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