Saturday, November 17, 2012

Optimums and Dark Ages

There is a reason that experts (e.g. historians and geologists) refer to periods in earth's history where temperatures were warmer than today's as "Optimums".  And periods of colder temps are known as "dark ages".  Optimums were times when humans and other living things grew and prospered.  Dark ages were times when humans and other living things died in large numbers and suffered grievously.

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