I asked my co-workers to send me photos from Halloweens past. Here's how various members of the mental_floss team (or their kids and dogs) dressed up. Happy Halloween, everybody!

Mangesh Hattikudur, co-founder/chief creative officer

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Rebecca O'Connell, staff writer

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Hannah Keyser, staff writer

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Erin McCarthy, managing editor

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Lucy Quintanilla, associate art director

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Abbey Stone, staff editor

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Stacy Conradt, writer

(That's her daughter at left.)

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Mark Mancini, writer

(Life imitates old Halloween photos. Mark's written dozens of articles on dinosaurs.

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Caitlin Schneider, editorial fellow

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Chris Higgins, writer/cat

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Arika Okrent, contributing editor

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Rudie Obias, writer

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Kara Kovalchik, research editor

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Jen Wood, writer

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Whitney Matheson, Pod City columnist

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Austin Thompson, researcher

(He's the cute terrified baby.)

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Chloe Effron, designer

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Sean Hutchinson, writer

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Rachel Feddersen, Digital GM

(That's not her. That's her son.)

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Amanda Green, writer

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Jen Doll, contributing editor, mental_floss magazine

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Rob Lammle, writer

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Therese Oneill, writer

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Jason English, editor-in-chief, digital