Vice News host Thomas Morton joins an international team of scientists in Panama that's found a promising treatment for malaria, Chagas disease and breast cancer in the most unlikely place: the mossy fur of tree sloths. It's yet another reason to not cut down rain forests. About half of all drugs brought to market from 1997-2006 came from plants, fungi and bacteria discovered by 'bio-prospectors' in nature. Sloths are just one of many new and unusual frontiers for this research. Original title: The Sloths That Could Cure Cancer: Bio-prospecting in Panama.