For the first time, biologists are vaccinating wild ferrets with an antidote against the sylvatic plague that was developed for humans by the U.S. Army.
Advances in the field of epigenetics show that environmental contaminants can turn genes "on" and "off" triggering serious diseases that are handed down through generations. But there's also a more heartening prospect: The same diseases may be treated by relatively simple changes in nourishment and lifestyle.