100 Greatest Discoveries

What are the most important scientific discoveries of all time? The answer might include Copernicus's idea that the sun is at the center of the solar system, Newton's laws of motion, Mendeleev's periodic table of elements, Einstein's theory of relativity and Darwin's theory of evolution. There are numerous great scientific discoveries that have significantly influenced the way we think and live throughout history. 100 Greatest Discoveries recounts the 100 most important scientific discoveries of all time and explains them with historical re-creations, archival footage and interviews with scientists.

100 Greatest Discoveries - Earth Science

This episode looks at twelve important discoveries in Earth science, including Richard Oldham's theory that the Earth has a core composed of liquid, Alfred Wegener's theory of continental drift, and Global warming theory. Here are the twelve important discoveries:

1. Earth's Core (1906)
2. Earth's Inner Core (1930s)
3. Continental Drift (1911)
4. Seafloor Spreading (1950s - 1960s)
5. Plate Tectonics (1960s)
6. Troposphere and Stratosphere (1890s)
7. Global Warming (late 20th century)
8. Cosmic Radiation (1911 onward)
9. Magnetic Field Reversal (1906)
10. Geological Change (1830s)
11. Radiometric Dating (1907)
12. Periodic Ice Ages (1930s)

Go to 100 Greatest Discoveries Home or watch other episodes:

1. 100 Greatest Discoveries: Astronomy
2. 100 Greatest Discoveries: Biology
3. 100 Greatest Discoveries: Chemistry
4. 100 Greatest Discoveries: Earth Science
5. 100 Greatest Discoveries: Evolution
6. 100 Greatest Discoveries: Genetics
7. 100 Greatest Discoveries: Medicine
8. 100 Greatest Discoveries: Physics