Many people in Britain now fear hospitalization almost as much as injury or illness, due to a rising rate of hospital-related staph infections. This program examines the threat posed by MRSA, or methicillin-resistant Staphylococcus...

Dr. Sarah Wallace talks about her instrumental role in sequencing DNA for the very first time in space. DNA sequencing can be used for things in space from monitoring the crew members' health to identifying microbes, and potentially...