Caribbean Sea's Curious 'Whistle' Detected from Space

Bounded by South America, Central America and the Caribbean islands, the semi-enclosed basin of the Caribbean Sea acts like the body of a giant whistle, the scientists wrote in the study. "When you blow a whistle, you hear something because the air oscillates — pulses in and out of the whistle — and radiates a wave," the study's lead author Chris Hughes, a researcher at the National Oceanography Centre in Liverpool, in the United Kingdom, told Live Science. "In this case, the water i