Science fairs are as flawed as my solar-powered hot dog cooker https://t.co/e3lP2wfvjA says @carlzimmer 0 atbildes

Signe Dean
(14.04.2016 11:03:02)
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Science fairs are as flawed as my solar-powered hot dog cooker https://t.co/e3lP2wfvjA says @carlzimmer