November 23, 2021

THE CONVERSATION: Curious Kids: Do flies really throw up on your food when they land on it?…

Imagine you’re at a picnic and just about to bite into your sandwich. Suddenly you spot a fly headed your way, homing in on your food with help from its compound eyes and antennae. It manages to escape your swatting, lands on the sandwich and then seems to throw up on it! It can look kind of gross, but the fly might be just airing out its own digested food, or spitting on yours. Most of the over 110,000 known fly species have no teeth, so they …

Lifestyle News