Big Picture Science – Sand Makers
click to listen (TRT 4:21)
Click above to listen to part 2 of True Grit, featuring Pupa Gilbert, biophysicist and geobiologist at the University of Wisconsin, Madison, explaining how parrotfish produce sand as a byproduct of their digestion.
BiPiSci – True Grit: Pupa Gilbert / Sand Makers
Previous post: BiPiSci – True Grit: Vince Beiser / World of Sand
Next post: BiPiSci – True Grit: Joe Charbonnet / Engineered Sand
