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Taking Stock of Recovery

Grazing helps to shape ecosystems, but the effects depend on management and the environment. Stream bank or upland meadow? Willow or sagebrush? Over much of the 20th century, cattle grazed in the Hart Mountain National Antelope Refuge in southeastern Oregon. In riparian areas where animals had congregated, channels were eroded and vegetation was sparse. Cattle […]

Catalina Segura

As the daughter of a physics professor and a lawyer, Catalina Segura set her sites on working in a university. Her father was “truly excited to use science to make a difference,” she recalls. “He was very inspiring.” But growing up in Bogotá, Colombia, which ranks among the world’s 25 largest cities, Segura turned her […]

OSU Advantage: Wood Panel Promise

Not since the development of plywood has a material innovation so thoroughly changed the construction process. “It’s an entirely new technology,” says Lech Muszynski. “It revolutionizes the way we build with wood.”

Small-Scale Science

Little kids have a lot in common with hummingbirds. Both are small in size, quick in motion and fond of sugar. Plus, kids think hummingbirds are cool. So pairing Oregon schoolchildren with the feisty, orange-throated hummers that share their Willamette Valley habitat seemed like a scientific and educational slam-dunk to ornithologist Matt Betts, a researcher […]

Aspen Recovery in Yellowstone Spurred by Wildlife Shifts

Wildlife in Yellowstone National Park is undergoing dramatic shifts with consequences that are beginning to return the landscape to conditions not seen in nearly a century. In the park’s northeast section, elk have decreased in number in their historic winter range in the Lamar Valley and are now more numerous outside the park. Aspen recovery […]

Carnivores in Retreat

In ecosystems around the world, the decline of large predators such as lions, wolves and cougars is changing the face of landscapes from the tropics to the Arctic. An analysis of 31 carnivore species shows how threats such as habitat loss, persecution by humans and reductions in prey combine to create global hotspots of carnivore […]