unicameral, Å«-ni-kamâ²e-ral, adj. consisting of but one chamber, of a legislative body. Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) Various. This Constitution provided for a unicameral legislature, a collective executive branch, and an independent judiciary.
According to the Guiness Book of World Records, the fastest a human has run is 200 m in 19.32 seconds by Michael Johnson (US) Atlanta, Georgia, July 21, 1996.
Usain Bolt may have just broken the human speed limit. Last week, he took two gold medals in the Olympic 100m, shattering his own world record with a time of 9.69 secs., and the 200m with a time of 19.3 secs., obliterating by two-hundredths of a second the long-standing world record Michael Johnson set at the Atlanta Games in 1996.