Creatures of Light

National Geographic

Millions of years before the electric light bulb was invented, nature endowed a variety of species, from jellyfish to glow worms to fireflies, with an internal source of illumination. Now, scientists are unlocking their biological secrets to reveal a dazzling array of uses, from tracking cancer cells to detecting infectious diseases and illuminating cities.
Aired:
Sep 27, 2020
Watch Until:
Oct 26, 2020
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