"They are not physiologically suited for this." Officials issue warning about troubling tourism trend: 'Hides immense ...

More than 20 U.S. travelers returning from Cuba have tested positive for Oropouche virus, also named sloth fever, the Centers for Disease Control and Prevention said on Tuesday, as the little known ...

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 ...