Bang Goes the Theory 2009
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7.3
Bang Goes the Theory S05E06
19.9.2011 | Tooth Decay and Refreezing food
Obsah epizodyDallas 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.