Fire ants build rafts, composed of themselves, to escape floods. As it turns out, they can also build towers. And for David Hu, an engineering professor at Georgia Tech, that turned out to be trouble.
"Ants, Dutiful Escape Artists, Build Towers in Constant Flux" is from the July 17, 2017 Science section of The New York Times. It was written by James Gorman and narrated by Kristi Burns.