Weird Nature
Why Do Cats Purr?
Why do cats purr? See how the larynx makes a 25 to 30 Hz sound, why purring can mean more than contentment, which big cats purr, and what healing claims lack.
Weird Nature
Animals, plants and planet Earth keep doing things that sound made up. We look at what has actually been observed, how scientists know it, and where the popular version of the story goes too far.
Weird Nature
Is the Immortal Jellyfish Really Immortal?
Is the immortal jellyfish really immortal? Learn how Turritopsis dohrnii turns back into a polyp, and why it can still be eaten or die of disease.