Here's why these mushrooms glow in the dark

Dozens of glow-in-the-dark mushroom species grow around the world. But details on what makes them shine so bright have long been dim.
In a new study, scientists say they can finally explain what makes bioluminescent mushrooms glow. They describe a process of "enzyme promiscuity" that leads to changes in the intensity and colors of mushrooms' light emissions.
SEE ALSO: This frog's slime can destroy flu viruses
The researchers, who hail from Russia, Brazil, and Japan, published their findings Wedn