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Science Confirms the Obvious

Science Confirms the Obvious: People Wash Their Hands More When They're Watched


A new public health study released just in time for Global Handwashing Day (today!) offers not one but two gems of Science-Confirms-the-Obvious wisdom. Firstly: the gee-whizzer that men have poorer personal hygiene than women. Secondly, that people are more likely to wash their hands when others are watching.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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