Scientists invent underwater umbrellas to protect coral reefs

Automated excerpt

They tested these crafty canopies in the Caribbean, where corals are especially vulnerable to solar radiation and heat stress, and found that shaded corals indeed suffered less bleaching. The researchers found that the shades reduced corals’ light exposure by 60%. Interestingly, the unshaded corals also saw less bleaching than expected, and none of the corals in either group died.

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