Observing & Predicting

Rainfall was measured by the foot in South Carolina in an event that statistically would happen, on average, once every thousand years.

April 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.