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Happy Groundhog Day!

Last year, at +Scientific American, I gave you Seven Things You Didn't Know About Groundhogs. This year, I give you EIGHT!
A.V. Flox's profile photoJason Goldman's profile photo
well, to be clear, if you read my post last year, then you only get one thing you didn't know about groundhogs. but let's be honest. you probably forgot the first seven anyway.
Groundhog post on groundhog Day.
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