WIRED
While biologists still aren’t exactly sure how it works, a new study closes in on why the insects that pester Savannah animals zig when anything zags.
ABOUT 30 MILES north of the equator, in central Kenya, Kaia Tombak and her colleagues stood beside a plexiglass box. Tombak, who studies the evolution of animals’ social behavior, was dressed for the power of the Savannah sun in a light, long-sleeved shirt and pants. A gang of flies buzzed nearby, and Tombak wondered whether she’d be better off wearing stripes.