Fruit flies and biplanes. Pap smears and CAT scans. Radar and lasers. Insulin, penicillin, LSD and ESP. Artificial hearts. Artificial intelligence. A few of the advances that powered this extraordinary century
--By Andrea Dorfman and Mary Hart
1900
1900 Sigmund Freud publishes The Interpretation of Dreams
1900 Max Planck presents his quantum theory at a meeting of the German Physical Society in Berlin
1901 Austrian physician Karl Landsteiner shows that there are at least three types of human blood, which he labels A, B and O. These distinctions make blood transfusions possible. Landsteiner will also discover the Rh factor
1902...
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