Are loads of tiny black bugs congregating near your windows? Learn whether they're flies, gnats or other insects, and how to ...

Red wood ants have compound eyes made up of hundreds of segments. Their vision is the first step in recognizing an object, followed by chemical and tactile sensors in their antennae that identify ...

Ahead, 10 itches you should never scratch. Get The Healthy by Reader's Digest newsletter  Itches you shouldn't scratch 1.