In 1935 (the year before the Berlin Olympics), Jesse Owens set the world record in the long jump with a leap of 26 ft 8 in, and this record would stand for 25 years (a very rare length of time for a track and field record), until it was finally broken by Ralph Boston in 1960.
The rank-size rule (or rank-size distribution) of city populations, is a commonly observed statistical relationship between the population sizes and population ranks of a nationâs cities.
HIERARCHY: Also very important: the concept of hierarchy-best illustrated by bringing in a couple of HUGE packing boxes (kingdom level), inside which you find 2-3 slightly smaller big boxes (phylum level), inside one of which you find 2-3 slightly smaller boxes (class level), etc.