Over 94 organisms have light-emitting ability of bioluminescence, but scientists don't know why

A study by marine biologists reveals insights into bioluminescence, with focus on octocorals. These soft-bodied corals possess the ability to produce light through internal chemical reactions. Despite its widespread occurrence, the origins and original function of bioluminescence remains unknown. ​​

from Science News - Times of India https://ift.tt/J2U3DIx