Showing posts with label history of the earth. Show all posts
Showing posts with label history of the earth. Show all posts
Wednesday, January 12, 2011
Sunday, October 31, 2010
Herrings galore
Oliver Sacks is working on his backstroke. (Hat tip: Dave Lull.)
My favorite bit of the exchange:
My favorite bit of the exchange:
[Pop Matters:] Time travel: where, when, and why?
[OS:] I would go back 300 million years or so, for I have always longed to see the earth in its Carboniferous age, long before mammals evolved, or even flowering plants. The planet was the domain of gymnosperms, non-flowering plants, then. There were ferns and tree ferns, and giant Calamites—segmented relatives of today’s horsetails, ten- or 20-meters high. There were huge Lepidodendron, a meter and a half in diameter, related to today’s tiny club mosses. And there were cycads, very similar to those that survive today.
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