Ah, Hawaii. The resplendent luaus and awe-inspiring volcanoes. Tom Selleck and his mustache running around private-investigating stuff. The beautiful white-sand beaches made of fish poop. Oh, that’s ...

Parrotfish poop out sand, and that’s just the beginning of what makes these guys weird. Parrotfish poop out sand, and that’s just the beginning of what makes these guys weird.

The Netflix documentary Chasing Coral makes passing reference to an extraordinary claim: Beaches are made of parrotfish poop. Here’s the thinking: These colorful beaked creatures of the reefs eat ...

I was scrolling innocently through YouTube recently when I spotted a fact that changed how I view beaches forever. In an interview with WIRED, marine biologist Dr. Kory Evans responded to a question ...

NOVA and PBS Digital Studios have produced a series of videos called “Gross Science.” One video explains how many beaches in the Caribbean, Hawaii, the Maldives and many other places around the world ...

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