Science and Innovation

Bill Hatcher, Sonoran Institute

Officials in the U.S. and Mexico have signed a binational agreement aimed at staving off water shortage on the Colorado River and restoring the delta ecosystem. KNAU’s Melissa Sevigny reports.


NASA

Astronomers in Arizona and worldwide are running a “planetary defense drill” to practice how to deal with an asteroid impact. It’s the first time they’ve used a real asteroid. KNAU’s Melissa Sevigny reports.

smithsonianmag.com

Researchers are learning more about human voices by studying grasshopper mice. Their call, barely audible to human ears, is produced the same way that humans speak. Northern Arizona University Biologist Bret Pasch says the rodents stand upright, tilt their heads back and flare their mouths, like an opera singer. 


Brady Smith, USDA Forest Service, Coconino National Forest

Flagstaff city planners are weighing several options for a new water supply. They expect to need more water to serve a growing population in about 20 or 30 years. KNAU’s Melissa Sevigny reports.


NASA's Goddard Space Flight Center/University of Arizona

A spacecraft guided by Arizona scientists will swing around Earth tomorrow, changing its trajectory to put it on course to study an asteroid next year. KNAU’s Melissa Sevigny reports.


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