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19016

I was intrigued by your article for a couple of reasons. Isn’t this what Steven J. Gould said, that evolution is punctuated by environmental stresses that can bring about adapt-or-die changes rapidly? Also, what are the implications for the geneticists who base their mitochondrial DNA dating techniques on what they consider a fairly constant rate […]

Evolutionary Shocker?

A specific protein may help plants and animals store genetic variation and release it at times of stress.

19075

While applauding the work on infant recognition of numbers and arithmetic, it seems prudent that allowance be made for clues in the environment. For example, Arabic numbers themselves contain numbers of end points that can be used to count that many items.