Remember learning about Neanderthals in high school?

If you're having a hard time remembering, they roamed the earth over 200 thousand years ago, but became extinct about 30 thousand years ago.

Have you ever wondered what happened - why they became extinct?

Well, thanks to researchers at London's Natural History Museum, we now know - their eyes became too big.

ABC News has more on the story.

Now we know!

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