Video Added: February 10, 2009
Views: 8655
Runtime: 02:39
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Take an in depth look at our planet with host Bill Nye, as he examines the Earth's inner and outer core.
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The Core of the Earth | Greatest Discoveries | 02:39 | February 10, 2009 | 8655 |
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Groundbreaking research by Alfred Wegener reveals that the phenomenon of continental drift.
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Continental Drift | Greatest Discoveries | 02:12 | February 10, 2009 | 4484 |
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One of the dynamic principles of geology is explained with Harry Hess' discovery of Sea Floor Spreading and the concept of subduction.
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Sea Floor Spreading | Greatest Discoveries | 01:11 | February 10, 2009 | 4190 |
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Bill Nye and geologist, Dr. Neal Driscoll visit the California coastline where the Pacific and North American plates collide to help explain the phenomenon and effects of plate tectonics
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Plate Tectonics | Greatest Discoveries | 02:05 | February 10, 2009 | 5637 |
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Weather and long term climate studies got its start with meteorologist Leon Teisserenc de Bort's discovery of the earth's layers, which he coined as the troposphere and the stratosphere.
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Atmospheric Layers | Greatest Discoveries | 01:19 | February 10, 2009 | 2654 |
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Watch one of the most visible effects of global warming and how the emission of fossil fuels may contribute to current warming trends.
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Global Warming, Shrinking Glacier ... | Greatest Discoveries | 01:57 | May 01, 2009 | 1819 |
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Through his hot air balloon experiments, physicist, Victor Hess discovers the phenomenon and effects of cosmic radiation.
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Cosmic Radiation | Greatest Discoveries | 01:23 | February 10, 2009 | 15869 |
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Bernard Brunhes' study of volvanic eruptions lead to the discovery of the earth's magnetic field reversal.
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Magnetic Field Reversal | Greatest Discoveries | 02:34 | February 10, 2009 | 5671 |
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Watch as Bill Nye examines Charles Lyell's study of rock formations and how they revealed that the process of geological change was slowly developed over time.
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Geological Change | Greatest Discoveries | 02:51 | February 10, 2009 | 2335 |
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Bertram Boltwood's study of decaying radioactive uranium in rock formations gives insight into calculating the age of the earth.
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Radiometric Dating | Greatest Discoveries | 02:54 | February 10, 2009 | 4002 |
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