Some of the largest living animals on the planet eat the tiniest food. For humpback whales, it’s krill – small shrimp-like animals floating in the ocean. Capturing enough krill can take a lot of work, ...

Humpback whales sometimes use this very intricate, very cool strategy to catch fish. It is called bubble-net feeding. As NPR's Nate Rott reports, a new study suggests the whales are teaching each ...