Discovered over a century ago, the late Upper Paleolithic archeological site included stone and bone tools, evidence of ...
Global warming is producing a rapid loss of plant species -- according to estimates, roughly 600 plant species have died out since 1750 -- twice the number of animal species lost. But which species ...
July 2026 - 3 days Register for 2026 now at [email protected] and we will contact you with confirmed tour details ...
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