Hen's Teeth and Horse's Toes
by Stephen Jay Gould
(*)(*)(*)(*)(*)(174)
What color is a zebra? Does the changing size of a Hershey bar hold a lesson of adaptive significance? Did an asteroid bring mass extinction to the earth 65 million years ago? Why do animals walk, fly, swim and slither but never roll? Human beings not withstanding, why are the females of most sp... More

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