Sloth hair: source of the new wonder drug?

When looking for new chemicals to fight disease, nothing beats the variety of bio-active compounds found in complex environments. But what do you do when you've already sampled the most diverse environments known? Well, you look for new complex ecosystems, preferably very different from those already sampled. This paper describes the medical properties of compounds found in one such crazy environment: the complex ecosystem found in the hair of giant sloths. It turns out that a huge number of