Articles by Kristian Knutsen

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Fresh water is an increasingly precious necessity around the planet, and Wisconsin has better access to it than most places.
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Local governments across Wisconsin face an open question of how they'll pay for ongoing lead pipe replacement efforts.
Between January and June 2017, more than 20 inches of rain fell in Wisconsin, enough to make the first-half of the year the second wettest on record.
An avian blizzard in central Wisconsin in 1871 made for a spectacle the likes of which would never be seen again.
While differences between rural and urban parts of the U.S. may be vast in many places, drawing those geographic distinctions is not always simple.
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An international group of geneticists, epidemiologists and public health researchers based in Australia, France and the U.S. teamed up to study a pathogen after it caused a small but deadly outbreak of illnesses in Wisconsin.
UW-Extension entomologist PJ Liesch said Wisconsin is "one of the hot spots of tick activity in the U.S." But, he stresses it's still possible to enjoy the outdoors.
One enduring myth about ticks is that these little bloodsucking creatures hang around on tree branches and leaves, waiting to drop down on an unsuspecting feast. Ticks don't dive-bomb their intended meals, but they do engage in behavior called "questing."
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Law enforcement officers, emergency medical workers and lab technicians are trained to minimize their exposure to dangerous substances. The increasing use of powerful opioids — which are dangerous to inhale or even touch in very small amounts — is adding unpredictability to these risks.
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A diverse array of potent synthetic drugs are becoming more prominent in the opioid crisis, creating difficulties for medical investigators and public health officials.