A powder made from the scabs of pustules on the skin of people who had survived smallpox. The eradication of this horrific disease, which is thought to have first appeared around 10,000 B.C., is...
Influenza is a nasty illness. It isn鈥檛 just a bad cold. This viral infection kills up to half a million people in the world every year. And that鈥檚 in a good year. In a bad year, like 1968, the Hong...
Mary Poppins, starring Julie Andrews, was a big hit for Disney studios in 1964. The film was a musicalized version of the children鈥檚 books about a magical English nanny written between 1934 and...