Mental Floss

CATS





Grumpy Cat attends a baseball game between the Arizona Diamondbacks and the San Francisco Giants at Chase Field on September 7, 2015 in Phoenix, Arizona.

On May 14, 2019, Grumpy Cat—the Internet-famous feline who launched thousands of memes—passed away peacefully in the arms of her mom, Tabatha Bundesen.

Erin McCarthy








You can train your cat to play fetch—really.

It might take some time and effort (and treats), but many cats can be trained to retrieve objects. Here's what you need to know.

Emily Petsko


iStock.com/Andrew_Deer

Cats are undeniably smart, but do they have an understanding of their own identity? Researchers in Tokyo may have found the answer.

Jake Rossen




iStock.com/Scacciamosche

He’s dealt with elaborate booby traps, KGB agents, and a face-melting artifact, but to Indiana Jones, nothing’s more unsettling than snakes. Lots of people can relate.

Mark Mancini






The All-Nite Images, Flickr // CC BY-SA 2.0

The furry sentinels ward off vermin. They also sleep in empty stock boxes. But are they a health hazard?

Jake Rossen