Animals started glowing in the dark nearly 300 million years earlier than we thought

Bioluminescence traces back to the Cambrian era — 540 million years ago — and could have been used for communication, courtship and camouflage among the earliest ocean creatures.

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Germany ,Stefan Schramm ,Andrea Quattrini ,Danielle Deleo ,Florida International University ,University Of Applied Sciences Dresden ,Proceedings Of The Royal Society ,Smithsonian National Museum Of Natural History ,National Museum ,Natural History ,Live Science ,Biological Sciences ,Applied Sciences Dresden ,