Observing & Predicting

Never in the historical record have such large areas of the country experienced such radically different temperature extremes as they have so far in 2014.

Thursday, April 1, 2010

  • Curiosity is a cruel master, says Dave Bertelsen. Over the past 25 years, he has hiked over 12,000 miles through a desert canyon, just to see what was blooming. He found a few surprises along the way.