Rabies is a virus that infects the nerves and the brain. It's spread from the saliva of an infected animal. Rabies can be treated. Learn more about its symptoms, treatment, and how to prevent it.
The Portuguese man-of-war is a jellyfish-like marine animal found in tropical oceans and bays. Its tentacles have coiled stingers with a very powerful and painful venom. Read on to learn how to care for yourself after being stung.