Discover how pigeons were trained for use in World Wars I and II. Learn about some of their most daring flights, and find out what other ways pigeons and humans work together.

For many years, we thought we had infectious diseases licked. No longer were microscopic bacteria inflicting the death toll that plagued the United States prior to the discovery of antibiotics more than sixty years ago. Antibiotics, the drugs used to treat bacterial infections, were the magic cure-all-- or so we thought. Scientists never expected the bacteria to fight back. Now we have to face superbugs. Superbugs are strains of infection-causing...