Changing water flow leads to more bugs in Grand Canyon

Flagstaff, Ariz. • Ted Kennedy sums up what he sees along the river in the Grand Canyon: “It’s buggy out there.”That is to say, an experiment to change the flow of water from a dam near the Arizona-Utah state line appeared to boost the number of aquatic insects that fish in the Colorado River eat.Scientists are hoping to better understand those results with a second bug flow experiment that started this month and will run through August. They found that releasing low, stea