Cretaceous Earth impact drawing.
In this last of three lectures in the Frontiers of Science unit on climate change, Columbia University Professor Peter deMenocal discusses the scientific exploration of the nature of the Cretaceous-Tertiary extinction event. He explores the alternative hypotheses for the event that have been put forward over the years and provides examples of current supporting evidence. The lecture also emphasizes how dogma can be the enemy of scientific progress when it causes scientists to see what they expect to see instead of what the data actually shows. A lecture video and transcript are also available on FoSO.
| Download PDF | File size |
|---|---|
| Earth Science Lecture3 | 37.44 MB |
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