Mental Floss

SPIDERS















The tell-tale hourglass identifies female black widow spiders.

Black widow venom is about 15 times as potent as a rattlesnake's, yet these charismatic spiders generally aren't a threat to humans.

Anne Taylor


Who wouldn't be screaming in this situation?

Our ancestors may have predisposed us to fear spiders, insects, and other many-legged creatures, but there's a lot more to it.

Ellen Gutoskey




S847/iStock via Getty Images

The sticky spider streamers tend to appear in room corners. Here's why they hang around even after a spider has left the premises.

Jake Rossen