To help patients quit smoking many doctors now prescribe a patch containing this tobacco substance
In 1959 Walter Williams, said to be the last surviving veteran of this war, died at age 117
Between the ages of 1 & 10, about 95% of U.S. children get this virus, also called varicella
In 1905 Albert Einhorn synthesized this drug, the most widely used dental anesthetic
In 1927 this aviator became the first person to receive the Distinguished Flying Cross
It's the medical name for nearsightedness
In 1909 the Lincoln penny replaced this one, which had been in circulation for 50 years
In 1770 Robert Treat Paine prosecuted the British troops indicted for murder in this incident
In 1776 Sgt. Ezra Lee led the first known attack in one of these submersible crafts
In the 1940s Dutch doctor Willem Kolff gave kidney patients new hope with this filtering machine