Federal law may protect the river habitat in the name of endangered fish, but on land, grapevines are king. This article is the first in a two-part series about how scientists are helping find compromise amid local tensions over water supplies.
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.