Read more US counties where world's most infectious disease is set to surge A new study by Johns Hopkins University has found that the MMR vaccination rate in children across the country has ...

Newsweek has created a map that highlights a sobering reality for parts of the United States: in dozens of U.S. counties, average life expectancy is now lower than that of North Korea.

Object Details Description The Clemens Silent Teacher is an example of a geography teaching tool from the late 19th Century. It is a “dissected map” or in modern language, a jigsaw puzzle. Dissected ...