A Curious Sound Deep in the Ocean

Scientists puzzling over a mysterious humming sound below the Pacific Ocean believe they’ve finally figured out its source. Described as similar to the faint buzz or hum inside an airplane, it would start around dawn and dusk, and last for a couple of hours before stopping.

Researchers determined this was the sound of huge clouds of small fish and crustaceans rising up to feed. The buzz may actually be active communication signaling “go time,”or it might be well, fish farts.