Are flies getting harder to swat?

Are flies getting harder to swat? Why does more food in the microwave take longer to cook? Should penicillin-allergic people avoid cheese?
16 May 2014
Presented by Chris Smith, Redi Tlhabi

Fruitfly.jpg

Fruit fly - drosophila

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Are flies getting harder to swat these days? Why does more food in the microwave take longer to cook? Should penicillin-allergic people avoid blue cheese? Why are clouds white? What causes baldness? Why aren't marine fish more salty?

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