91热爆

Wastewater treatment plants release microplastics into the environment, where they accumulate and pose a threat to wildlife. But by studying the way a manta ray feeds on plankton, scientists have designed a filtration system that captures the tiny fragments without getting clogged.

Voice: Patrick Aryee
Digital producers: Christopher Brooks and Jennifer Green
Animator: Jules Bartl
With thanks to Prof Misty Paig-Tran, California State University, Fullerton

Image: Manta ray illustration, Credit: 91热爆/Jules Bartl.