When Verde Means Gold

Autumn on Upper Verde River

Just as a migratory bird feels an irresistible inner urge teach fall, so do I experience a powerful restlessness satisfied only by ignoring my in-box, pushing aside the endless piles of papers begging to be shuffled, and taking off to some quiet corner of nature when I can embrace the changing of the seasons with full attention.

Autumn hasn’t been waiting for me—the aspens have scattered their yellow coins already up at Mt. Francis, and the maples have displayed their crimson badges at Mingus Mountain without my approval.  I am not teaching my Interpreting Nature class this fall, which usually provides me a legitimate excuse to get out there.   Thus, if I am not to miss the whole gaudy show of carotenoids, anthocyanins, and other pigments, I have to seize the moment, and yesterday afternoon I did just that. Continue reading

Deepening the Time Scale: A Puzzle in Sycamore Canyon

Though each organism is inherently a time traveler, its genes a partial chronicle of its evolutionary history, we may be the sole species to be able to reflect on that deeper history.  People with deep imaginations can visualize the ape in our behaviors, the prototypical vertebrate in our embryos, the symbiotic merger reflected in our mitochondria.  Some can look at a hillside and envision it as a product of tectonic upheavals, erosional incisions and depositions, the lithification that turned sediment into rock that has weathered into a substrate supporting juniper, cactus, and spiny lizard.  With some training, there is hope for those of us who don’t normally see so well.  Our temporal blinders may be lifted, our spirits uplifted by the joys of discovery and insight.  Informed imagination – that greatest of time machines – can take us further toward understanding the Sky Islands than mere physical descriptions ever will.  Join me, then, for a little time travel, not to see it all (who has time?), but for a sample of how informed imagination works.            Continue reading