Penicillin, the first true antibiotic, was discovered in 1928 by Alexander Fleming, Professor of Bacteriology at St. Mary’s Hospital in London.

Barometer is an instrument to measure atmospheric pressure, used especially in forecasting the weather and determining altitude.

The fastest animal on land is the Cheetah. Cheetahs can run up to approximately 120 Kms(75 miles) per hour speed.