Andrew Simon, President and CEO of Freemont street experience goes undercover as a trainee custodian.

To illustrate why excessive use of antibiotics is a problem, a scientist performs an experiment. He drops bacteria into a solution containing a potent, broad-spectrum antibiotic, and they survive.

Drug resistant bacteria or superbugs are bacteria that have become resistant to antibiotics. This clip discusses how superbugs form and scientists are trying to find ways to fight off these super bugs.

Ed presents his advertisement for Great Bridge Insurance to win him over as a client.

What is cancer, and how does it start? Find out how genetics play a role, which types of cancer are the most prevalent, and what is being done to fight this deadly disease.