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Dirty Food, Dirty faces and the Dirt on Trigonometry! - Best of the Blogs #9

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Published on Oct 1, 2013

Check out the hottest science posts for August 2013, fresh from the Scientific American blog network: http://goo.gl/W92qS

Posts featured in this episode:

Blemish: The truth about blackheads (Hilda Bastian) http://blogs.scientificamerican.com/a...

Eating Dirt: The Benefits of Being (Relatively) Filthy (Kevin Bonham)
http://blogs.scientificamerican.com/f...


10 Secret Trig Functions Your Math Teachers Never Taught You /(Evelyn Lamb) http://blogs.scientificamerican.com/r...


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