This week I learned cavemen brushed their teeth, and more

Fun and interesting facts from around the world

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Humans have always struggled to keep their teeth clean.
(Image credit: iStock)

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Lauren Hansen
Lauren Hansen

Lauren Hansen produces The Week’s podcasts and videos and edits the photo blog, Captured. She also manages the production of the magazine's iPad app. A graduate of Kenyon College and Northwestern University, she previously worked at the BBC and Frontline. She knows a thing or two about pretty pictures and cute puppies, both of which she tweets about @mylaurenhansen.