King salmon have sustained people in Alaska for at least 12,000 years, but over the past three decades their populations have begun to dwindle. Researchers at the University of Alaska Fairbanks linked these declines to reduced body size and extreme climate conditions in the ocean and in rivers. Their study, published in October by Global Change […]
Most news reports about wildfires include the number of acres a given fire has burned, but according to a new study by U.S. National Science Foundation-supported researchers, they should also note how fast the fire is moving. The research found that fast-growing fires caused 88% of the fire-related home destruction between 2001 and 2020, even […]
Denali, North America’s highest peak at 20,310 feet above sea level, always seemed abnormally high to Peter Haeussler. He is a geologist who has studied the mountain for years and has also climbed it a couple of times. Denali soars at least 9,000 feet above surrounding peaks in the Alaska Range, except for neighbor Mount […]
A scientist from Ohio once pondered why moose have such big noses. Why might a scientist from Ohio care? It can tell a person about evolution, says Lawrence Witmer. Witmer is a biologist and professor of anatomy at Ohio University. As part of a study of unusual noses on dinosaurs and modern animals, Witmer and […]