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 ...

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 ...

Credit: Wikimedia Commons Most animals relieve themselves regularly, but sloths drop down from trees just once a week for this task. They use the same spot every time, which makes them vulnerable to ...

Adult Hoffmanns two-toed sloth (Choloepus hoffmanni) coastal mangroves, Panama, Central America Correction appended Jan. 23, 2014 Among the greatest mysteries of the tropical rainforest are the ...

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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 ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating on ...