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 […]
Written by: Michelle Ma | University of Washington Killer whales prefer to eat only the biggest, juiciest Chinook salmon they can find. The larger the fish, the more energy a whale can get for its meal. Each year these top ocean predators consume more than 2.5 million adult Chinook salmon along the West Coast. […]
Scientists simulated the Blob marine heatwave in the laboratory to assess the effects of past and future climate change on one of Alaska’s valuable commercial fish. Preliminary findings from a new laboratory study suggest that when ocean temperatures rise, lower fat prey leads to slower growth for juvenile Pacific cod. Scientists are evaluating how changes […]