This week I learned that dogs can smell happiness, and more

Surprising discoveries and fascinating studies from around the web

Following the scent of happiness.
(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.

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