Mental Floss

CATS











What does it dew?

The purpose of a dog’s dewclaw is often overlooked—but that doesn’t mean there isn’t one. Here are all the details on the digit.

Ellen Gutoskey






"I will live forever just to spite your stupid article."

Sadly, the answer to “How long do indoor cats live?” is not “As long as you do!” But they do usually outlive outdoor cats.

Ellen Gutoskey




Surprise! A leopard slug's penis is located on its head.

The animal kingdom features a wide variety of penises that vary in shape, size, and function. Here are some of the most unusual of them.

Ross Benes


Cats need relief from the heat, too.

Your feline friend is heat-tolerant, but that doesn't mean they should be left unattended during a heat wave.

Jake Rossen