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San Francisco, 5:00 AM
Thu Dec 31
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Giant, Deep Sea Sponges Evolved Fiber Optic Exoskeletons
This gigantic sea sponge has an exoskeleton made of glass rods, and each rod can grow up to a meter in length. In the deep sea, these massive sponges contain a menagerie of other tiny lifeforms, all dependent on their sea sponge hosts for something in short supply far under the water. They need light - and some sponges have a evolved a way to provide it using fiber optics. More »