Monthly Archives: July 2020

Signs of Summer 9: Sit Spots

(Click here to listen to an audio version of this blog!) (Much of this blog was originally published in July, 2013) When you are looking at Nature you see and experience its details inversely proportionally to the speed at which … Continue reading

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Signs of Summer 7: Ancient Ecosystems Underfoot

(Click here to listen to an audio version of this blog!) (Most of this blog was originally published in June 2014) One of the Big Ideas in Biology that has grown clearer and more compelling to me over the years … Continue reading

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Signs of Summer 6: Considering the Passenger Pigeon

(Click here to listen to an audio version of this blog!) The passenger pigeon (Ectopigtes migratorius) is an extinct, North American bird of great legend and mystique.  It resembled in size and markings the still living mourning dove (Zenaida macroura), … Continue reading

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Signs of Summer 5: The Virosphere!

(Click here to listen to an audio version of this blog!) A couple of months ago an old friend and former Penn State colleague sent me an email in which she wrote: “Just wondering if all viruses are bad and … Continue reading

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