Tooth Decay and Refreezing food - S5.E6 - Bang Goes the Theory
Dallas attempts to find out what causes tooth decay and gum disease. Yan explains the reason why refreezing food is not a good idea. Jem takes a look at some new research that claims electric lights can play havoc with the way we sleep.
Tooth Decay and Refreezing food - S5.E6 - Bang Goes the Theory
September 19, 2011
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