Coal producers in the U.S. would like to take advantage of these high prices, but the infrastructure is just not there, according to Ian Lange, an economist at the Colorado School of Mines.

Although sizable reserves remain on land, Alexei Milkov, a professor of geology and geological engineering at the Colorado School of Mines, said people have been searching onshore for oil fields for 150 years, “so any large accumulations onshore have ....

Tamara Sparks, a researcher at the Payne Institute for Public Policy at the Colorado School of Mines, said smoke changes as it moves. Heavier particles fall out, concentrating the amount of unhealthy fine particulates in smoke as it “ages” and moves ....

“I know their approach works, because I’ve done it by hand,” says M. Stephen Enders, a 45-year industry veteran who heads the department of mining engineering at the Colorado School of Mines.

Ian Lange, director of the mineral and energy economics program at the Colorado School of Mines, told me he views the gas price increase as part of a short-term imbalance between supply and demand that will likely work itself out by next spring.

The rover can detect very low levels of ice in the soil, under one-tenth of a per cent by weight. Because of that sensitivity, says Kevin Cannon, a planetary scientist at the Colorado School of Mines in Golden, “I think there’s a pretty good chance ....

“The technical challenges are formidable,” says Wendy Bohrson, a volcanologist at the Colorado School of Mines.

“People are used to thinking about whether Alexa is listening in on their house, or what the Ring doorbell is capturing outside, but they might not realize that the existence of a camera on their vacuum could present those same types of concerns,” ....

“I would definitely just put this one in the currently mysterious category,” said Kyren Bogolub, a seismologist with the Colorado Geological Survey.