GM Crops, Dust Allergy and Shattering Glass - S4.E6
Liz looks at the controversial science of genetically modified crops in Hawaii. Dallas tries to remedy Jem's dust allergy by making him eat worms. And Dr Yan tries to shatter a glass by playing the violin.
GM Crops, Dust Allergy and Shattering Glass - S4.E6
April 18, 2011
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