Denver Zoo has welcomed one of the rarest animals in the world to its collection. But with her thin, gray hair; marble-like googly eyes; and skeletal claws, is Tonks the aye-aye lemur also one of the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The world’s largest nocturnal primate—the aye-aye—is ...

Aye-aye lemurs look a bit like gremlins, with pronounced, clawed middle fingers, and these primates’ hands have been fascinating scientists for years. New research shows that the little lemurs, ugly ...

Alright, let’s talk about the aye-aye, the creepiest critter you’ll ever meet from the wilds of Madagascar. This nocturnal lemur looks like it rolled straight out of a Tim Burton movie, with its buggy ...

The aye-aye looks like someone took a bat, a rat, and a gremlin and stuck them in a blender, then gave the result one incredibly long middle finger that it uses like a Swiss Army knife. This bizarre ...

Adam Hartstone-Rose studies the muscles of forearms, which are surprisingly intricate and easily overlooked. The delicate movements of our hands, for example—like the ability to play a Mozart piano ...