Most of us have taken antibiotics at some point in our lives, but how do they work? Time for a Geek Out! Richard talks through some fundamental cell biology to be able to set the stage for what antibiotics are, where they come from and how they work. Why do antibiotics work on some illnesses and not others? Why are some bacteria becoming antibiotic-resistant and what can be done about it? What's the alternative to antibiotics? As with most Geek Out subjects, the answers are complex, but worth it!