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The scientifically best way to sweep a floor
Hacks // 

Congratulations! So, you've decided to become a better sweeper. Your timing couldn't be better—spring ...

Rob Verger at 12:07 PM Mar 22 2017
Dear President Obama: Congratulations! But We Need To Talk.
Science // 

(The following is a post-US-election dispatch from the PopSci mothership in New York.) Dear President Obama, What a ...

PopSci Staff at 08:00 AM Nov 8 2012
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