What's making you sick? You might be able to tell based on how you smell.
Guinea worms have plagued humans for millennia, but they’re almost extinct.
Sea cucumbers can eviscerate themselves, shooting their internal organs through either their head or their butt.
Fecal transplants-putting one person's poop into another person's gut-are surprisingly effective cures for the dangerous bacterial infection, Clostridium difficile.
Cows burps release a ton of methane into the atmosphere. Can other animals, like kangaroos, teach us how to make cow gas more eco-friendly?
This parasite makes male crabs think that they’re pregnant females.
Legless amphibians, called caecilians, have a very strange way of feeding their young.
Cocaine is being mixed with a dangerous drug called levamisole that can destroy white blood cells and kill your skin—especially your earlobes.
Sand tiger shark fetuses eat their siblings in the womb.
Herpes is probably hiding in your nerve cells right now.