Cockroaches may make your skin crawl, but the insects--or, to be exact, their brains--could one day save your life.
That's because the central nervous systems of American cockroaches produce natural antibiotics that can kill off bacteria often deadly to humans, such as methicillin-resistant Staphylococcus aureus (MRSA) and toxic strains of Escherichia coli, scientists said this week.
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