A group of bizarre creatures from the deep sea pushes the origins of glowing life way, way back in time.
Bioluminescence , the eerie, beautiful phenomena that allows living things to glow, is way more ancient than previously thought, according to a team of researchers that recently studied the ability in octocorals. Octocorals are not closely related to corals, despite their name. They are a group of marine invertebrates that reside—and glow—in Earth’s oceans.
Last year, a different team of researchers found that biofluorescence is much more common in mammals than previously thought—though biofluorescence happens under an external light source, and is not to be confused with bioluminescence, in which reactions within the creature itself cause it to glow. Bioluminescence has independently evolved at least 94 times, according to a 2020 study. The oldest known example was generally thought to be in a type of small crustacean called ostracods.
Bioelectromagnetics Ostracod Luciferase Andrea Quattrini Firefly Fisheries Science Environment Cambrian Explosion Mimicry Fluorescence Gizmodo
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