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UnEarthing Life: The Deep History of a Living Planet DVD |
| Examining Earth for Four Billion Years |
Andy Knoll, Harvard evolutionary biologist, geologist, paleontologist and member of the Mars Exploration Rovers Team shares his far reaching experiences from the microscopic to the cosmic, as he reveals how evolutionary biologists turn to geology to search for biological signatures of ancient life. Students learn that using these same techniques, astrobiologists then search for signs of life on other planets.
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