Science

Wisconsin wolf hunt overshoots quota, worrying conservationists
After gray wolves were removed from the federal endangered species list, hunters in Wisconsin killed nearly twice the allowed quota of gray wolves.
Research: Scanning wastewater could offer advance warning of COVID — or other viruses
A year into the COVID-19 pandemic, Minnesota researchers say their effort to learn whether surveying a community’s sewage could help detect the prevalence of COVID-19 — and possibly predict surges of the virus — appears promising.
Don't swat this bug. It might be a robot on a rescue mission
Scientists are trying to build a tiny drone with the agility of a mosquito. These light but strong flying robots could be used in critical situations, such as finding people in a collapsed building.
Common insecticide widespread in Minnesota deer herd
Researchers have found a commonly used insecticide in two thirds of the white tailed deer spleens collected from across Minnesota. It’s still unclear what the health effects on deer in the wild might be.
How fast are oceans rising? The answer may be in century-old shipping logs
A century ago, the shipping industry recorded the daily ebb and flow of tides. Now, those records are becoming crucial for forecasting how fast sea levels are rising in a warming climate.
CDC panel endorses Johnson & Johnson's one-dose COVID-19 vaccine
A panel of experts that advises the Centers for Disease Control and Prevention has given its blessing to a new one-shot vaccine for COVID-19. The move comes one day after the Food and Drug Administration authorized the vaccine for emergency use.
Scientists talked to people in their dreams — and they answered
Scientists have found that two-way communication is possible with someone who is asleep and dreaming. Specifically, with people who are lucid dreaming — that is, dreaming while being aware you're dreaming.