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Science history: Alexander Fleming wakes up to funny mold in his petri dish, and accidentally discovers the first antibiotic — Sept. 28, 1928

Alexander Fleming was doing experiments with bacteria when he woke up to a strange mold growing in his petri dish. The "mold ...
iamdices on MSN

what happens when you have cavities: bacteria invasion!

See what really happens inside your mouth when you have cavities! A funny take on bacteria and toothpaste battling for your ...