For years scientists assumed that sloths don't fart — believing the methane produced by their slow digestive system was simply absorbed into their bloodstreams and breathed out through their mouths.

Everyone loves animal cams, because they usually focus on adorable animals like pandas, or Shiba Inu puppies, or today's most recent cam obsession: sloths. But here's the hard truth no one's willing ...

Watch habitat camera of adorable newborn sloth bears Two baby sloth bear cubs were born at Smithsonian’s National Zoo, making it the first birth of the species at the zoo since 2013.