'Mucus Grenades' Explains How Upside-Down Jellyfish Can Sting You Without Contact

Divers can be stung without ever coming into direct contact with upside-down jellyfish due to 'stinging water' surrounding them. Now, researchers have solved the long-standing mystery of how the hazardous waters are created.
Published: 12:13 PM EST February 13, 2020
Updated: 11:32 AM EST February 13, 2020