Penicillins are still widely used today, though many types of bacteria are now resistant.

Penicillins are still widely used today, though many types of bacteria are now resistant. The medicinal potential of penicillin was accidentally discovered by the Scottish scientist Alexander ...

Antibiotic resistance is the ability of bacteria to resist the effects of antibiotics, a type of drug - such as penicillin or ciprofloxacin - that kills or stops the growth of bacteria. When bacteria ...