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These Tiny Beads Remove A Toxic Sunscreen Chemical From Oceans

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The same UV-blocking chemical that helps sunscreen protect your skin causes serious damage to coral reefs. Now, lab researchers at the University of Puerto Rico have created tiny beads out of algae and lobster shells that can actually absorb the offending chemical right out of the ocean, leaving reefs (and your unburned skin) totally intact. It's not the whole solution, but it offers an optimistic step in the right direction.