Biology
- Thomas D. Brock and Hudson Freeze of Indiana University publish their findings on hyperthermophilic bacteria, most notably Thermus aquaticus, a thermophilic bacterium species living at a temperature of 60-80°C in a hot spring at Yellowstone National Park. T. aquaticus (Taq) later becomes a standard source of enzymes able to withstand higher temperatures than those from E. Coli and is significant in the history of polymerase chain reaction.
- Last Przewalski's Horse sighted in the wild, in Mongolia.
Read more about this topic: 1969 In Science
Famous quotes containing the word biology:
“Nothing can be more incorrect than the assumption one sometimes meets with, that physics has one method, chemistry another, and biology a third.”
—Thomas Henry Huxley (1825–95)
“The “control of nature” is a phrase conceived in arrogance, born of the Neanderthal age of biology and the convenience of man.”
—Rachel Carson (1907–1964)