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A ÃÛÌÇÖ±²¥ ecologist tackles a mystery in Africa.

Lori Peek, a ÃÛÌÇÖ±²¥ Boulder sociology professor, directs the university’s Natural Hazards Center.

Wildfire is getting worse. A report from the front lines.

A new way of measuring elevation in the U.S. will yield the most accurate results yet — but might cost ÃÛÌÇÖ±²¥ a couple 14ers.

What killed them off? A ÃÛÌÇÖ±²¥ scientist with an arctic pedigree thinks he's found the answer in the hot Australian interior.

Wildfires are growing more destructive in the United States, especially but not only in the American West.

An 8-year-old asks a ÃÛÌÇÖ±²¥ scientist for the hard truth.

Entrepreneurs are coming out of the woodwork at ÃÛÌÇÖ±²¥ Boulder. It's no accident.

A ÃÛÌÇÖ±²¥ professor goes inside America's prisons to study gang life.

Anne Castle knows better than most that shortages elsewhere in the West can affect Coloradans, even when there’s snow on the slopes.