Samurai Evolution
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This book was so ballin.' Get yourself the illustrated version. Sagan is just a delight to read.
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ahh there's never been anyone quite like him since. and we're the lesser for it.
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Carl Sagan is awesome!
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thanks for posting this!
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Yes, it *is* just a crab. That's part of the point of this segment. Human selection due to human superstition bred it to look that way. It's an example of unintended artificial selection.
jursamaj 3 years ago 8
Selection is not random. Variation is random, but selection is nonrandom based on the environment.
aanjalii 2 years ago 4