Science

Courtesy of Rich Hofstetter

Warming temperatures and drought are increasing bark beetle outbreaks worldwide, killing off thousands of miles of forests. The problem is so dire in Russia that foresters have enlisted the help of Flagstaff entomologist and bark beetle expert Rich Hofstetter.


Milliken Lab/Brown University

Flagstaff planetary scientist Christopher Edwards has detected water all over the moon, which could mean new possibilities for space travel using the moon as a basecamp.


Courtesy

A massive alligator juniper tree near Prescott is believed to be the largest and oldest of its kind in the world. It’s survived hundreds, possibly thousands of years of fire and drought. Forester Ben De Blois says the tree’s unique growth pattern makes it hard to tell just how old.


Katie Walton-Day/U.S. Geological Survey via AP, file

U.S. scientists studying the effects of uranium mining around the Grand Canyon say they are lacking information on whether the radioactive element is hurting plants, animals and a water source for more than 30 million people.

Earth Notes: Tough Dirt

Feb 7, 2018
Jim Harrigan, NRCS

The Colorado Plateau is a land of constant discovery—both above and beneath our feet. Recently a surprising soil was unearthed that fit a previously empty slot in the U.S. Department of Agriculture’s established soil classification system. 

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