Repost: 5 things sharks do for you

hammerhead shark, Cocos Island, Costa Rica

Hammerhead shark near Cocos Island, Costa Rica. (© Barry Peter/Flickr Creative Commons)

For Shark Week, we’re re-sharing one of Human Nature’s most popular blog posts of all time: “5 things you didn’t know sharks do for you.”

Pop culture has transformed these ocean predators into an animal many people love to fear, but the truth is we’re more of a danger to sharks than they are to us.

In fact, continued declines in shark populations could pose a problem for people, too; here are some reasons why.

Molly Bergen is the senior managing editor of Human Nature.

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