Science

To save spotted owls, officials plan to kill a half-million of another owl species
The U.S. Fish and Wildlife Service strategy is meant to prop up declining spotted owl populations in Oregon, Washington and California by killing barred owls that have encroached into their territory.
Don Wyse remembered as early champion of sustainable agriculture research in Minnesota
University of Minnesota professor Don Wyse, a proponent of sustainable agricultural practices, died Tuesday. Wyse co-founded the Forever Green Initiative, a project to research new, more sustainable crops for Minnesota farmers.
Rapamycin may slow aging. Here's one way the drug will be tested
Longevity researchers are taking a generic drug they think may help extend people's lives. Now a dentist is testing if rapamycin stops gum disease — a canary in the coal mine for age-related diseases.
Robots with hoes show farmers possible future of weed control
Weeds are becoming resistant to herbicides used by farmers, leaving few good options for controlling unwanted plants that can quickly take over a field. This summer, weed-killing robots are patrolling fields near Moorhead, offering a glimpse of a high tech future on the farm.