Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Sloths are cute. Take this video of baby sloths being washed: Until ...

While humans wouldn’t be very happy to find that organisms were growing on their skin, particularly fungi, algae, and insects, it works out pretty well for sloths. Sloths may be hosting entire ...

For the three-toed sloth, a trip to the restroom is no rest at all. It’s a long, slow descent into mortal danger from the safety of home among the upper branches of the forest. For the three-toed ...

Zebras, rhinos, and capybaras often have their pesky ticks and other parasites pecked off by the hungry birdies perched on their backs. Now, for the first time, researchers have observed brown jays ...

Why does a sloth poop on the ground when it spends the bulk of its time high in the trees? The behavior—oddly fastidious for the languorous creatures—is a hallmark of tree sloths: sloths chill amid ...

Sloths are famous for their exceptionally slow motor skills and petite faces that seem to beam with an almost natural smile. However, less commonly known is the unusual bathroom habit of certain sloth ...

Biologists puzzle over the fact that sloths descend from their trees to poop. The behavior might support a rare mutualism with algae and moths that live in the creatures' fur. Humans generally don’t ...

New research painted a more accurate picture of the megafauna that spread widely around the Americas before they went extinct. By Jeanne Timmons Ground sloths emerged in South America tens of million ...

Here’s a memorable encounter between David Attenborough and a three-toed sloth, as shown in Life of Mammals. Sloths normally spend their lives hanging from high branches, but this one ambles down to ...