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 ...

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 ...

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 ...

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A tree-dwelling sloth’s climb down to ground level for its weekly bathroom break may not be pointless daintiness. The trip is risky and (for a sloth) energetically expensive. Yet the effort could be ...

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 ...

The fur of Costa Rican sloths appears to harbor antibiotic-producing bacteria that scientists hope may hold a solution to the growing problem of “superbugs” resistant to humanity’s dwindling arsenal ...

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 ...