Scientific American July 1993

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Telling Reasonable Risks From Fools Chances.
Can Sustainable Development Save The Amazon?
A Tick In Time: The Most Precise Clocks Ever.
Polar Dinosaur, Which Were Adapted To The Cold And Dark, May Have Outlived Their Relatives From Warm

Title: Scientific American July 1993

Series: Scientific American

Item Number: SCIENTIFICAM199307

Terrie Phillips - July 25, 2013

★★★★★

When it comes to magazines, I am insatiable.