Magazine content is available exclusively for TIME subscribers.A Century of Science
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...
Email, Password or Region is incorrect
A required form parameter was missing.
The System is currently down. Please try again in a few minutes.
Email Address is invalid
Password is blank
Most Popular »
- Study: Zapping the Brain Boosts Memory
- Pentagon Rules 'Shift' on Women in Combat
- India Upgrades Military to Match China
- Syria Under Siege: Photographs by Alessio Romenzi
- Wash. Lawmakers Pass Gay Marriage Bill
- The Art of Nazi Hunting: How Israel's Mossad Found Adolf Eichmann
- Four Ways the U.S. Could End Up at War with Iran Before the Election*
- China: A Top Corruption Fighter Takes Mysterious 'Stress' Leave
- Top 10 Sources of Salt in Your Diet
- Ellen DeGeneres Addresses Anti-Gay 'One Million Moms' Group
- The Upside Of Being An Introvert (And Why Extroverts Are Overrated)
- Egypt's NGO Crisis: How Will U.S. Aid Play in the Controversy?
- The Brain: How The Brain Rewires Itself
- India Upgrades Military to Match China
- Pentagon Rules 'Shift' on Women in Combat
- Wash. Lawmakers Pass Gay Marriage Bill
- New York City: 10 Things to Do
- In Singapore, Finding Peace Among the Pain of Thaipusam
- Europe's Education Crisis: College Costs Soar
- This Is Your Life (According to Your New Timeline)
More News from Our Partners
Top Stories on TIME.com
Quotes of the Day »
