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How Often Do You Wash Your Sheets? Doctors Say They're a "Petri Dish" of Bacteria
RELATED: How Often Do You Wash Your Towels? Doctor Warns They're Probably Full of "Infectious Bacteria."Here's what's really ...
Twisted Sifter on MSN7d
Car Owner Shows People How Dirty Gas Pumps Really Are By Collecting Samples And Growing The Bacteria In Petri Dishes. – ‘Smells awful too.’
The man then used petri dishes to test for bacteria and showed viewers that the sample from the buttons on the gas station ...
PBS8y
Fleming discovers penicillin
This disorder proved very fortunate. In 1928, he was straightening up a pile of Petri dishes where he had been growing bacteria, but which had been piled in the sink. He opened each one and ...