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You can depend on the Abus PowerDome MIPS bike helmet for both commuting and touring, thanks to its strong shell, MIPS technology, and Zoom Ace fit system

Cursive

Color:Matte Black/Red

Adam Frank is a co-founder of the 13.7 blog, an astrophysics professor at the University of Rochester, a book author and a self-described "evangelist of science." You can keep up with more of what Adam is thinking on Facebook and Twitter: @adamfrank4 And if you've got your own science-y question for us, use this form to send it our way

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