We've gotten so many requests to bring back the mental_floss t-shirt sale that we're doing just that. Through Sunday, every t-shirt is just $14.90. Head over to our store, fill up your cart, and enter the super secret password "holidayteeparty" during checkout.

Mangesh's new favorite is the Hokey Pokey shirt ("Hokey Pokey Anonymous: A Place to Turn Yourself Around"); I'm a big Veni Vidi Wiki fan ("I came. I saw. I edited collaboratively.") No matter your favorite, the sale ends Sunday at 11:59pm, so cross a few more names off your holiday gift list today!

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