Today on Far Future Horizons we return to the topic of Biogenesis with another exciting episode of the acclaimed PBS documentary series NOVA where we take a look at Life’s Rocky Start.
Four and a half billion years ago, the young Earth was a hellish place, a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid atmosphere.
|Goethite (California) from the collections of the Mineralogical & Geological Museum at Harvard University.|
Then, in a process that has puzzled scientists for decades, life emerged. But how?
|Life's Rocky Start: Six Geological Ages|
NOVA joins mineralogist Robert Hazen as he journeys around the globe. From an ancient Moroccan market to the Australian Outback, he advances a startling and counterintuitive idea—that the rocks beneath our feet were not only essential to jump-starting life, but that microbial life helped give birth to hundreds of minerals we know and depend on today.
|Calcite (Cumbria, England) from the collections of the Mineralogical & Geological Museum at Harvard University.|
It's a theory of the co-evolution of Earth and life that is reshaping the grand-narrative of our planet’s story.
This episode of NOVA can be purchased directly from PBS Home Video.