Most bats navigate the world and locate prey through the use of echolocation, a biological sonar process in which an animal emits a sound and then uses the resulting echoes to establish the locations and identities of nearby objects. Ben Underwood, who lost his eyes to cancer at the age of three, is one of the few people who has honed his own echolocation skills and uses the technique to determine the position, size, shape, and composition of objects near him. What sports does Underwood play?
Arthur Conan Doyle
Back in the day
After the October Revolution of 1917, Stalin entered the Soviet cabinet as People's Commissar for Nationalities and began to emerge as a leader of the new regime. Lenin thought Stalin was a good administrator but strongly criticized his conduct as general secretary and recommended his removal. After Lenin's death in 1924, Stalin won a power struggle against Leon Trotsky and became the leader of the USSR. Stalin's real name was Dzhugashvili; in 1913, he adopted the name Stalin, which means what?
Born on a day like today
Kohl was Chancellor of West Germany from 1982 until 1990, when he became the first chancellor of a reunified Germany. The conservative chairman of the Christian Democratic Union (CDU) led his party to two convincing victories in West Germany in the 1980s. During his administration, West Germany prospered and became increasingly influential in world affairs. What financial scandal led Kohl to resign his post as honorary chairman of the CDU in 2000?