During the hottest time of the year, you may notice that some of your favorite lakes turn blueish green and murky. You might not be allowed to swim in them. This happens because of cyanobacteria, which is sometimes also called blue-green algae (“cyanobacteria” means “blue bacteria”). Cyanobacteria is different from the green algae that you … Continue reading Summertime Blues: Why Do Some Lakes Turn Bluish-Green in the Summer?
Spring means fresh cheese curds at the farmers market. There’s nothing like picking up a fresh, warm bag and getting that first squeaky bite. That squeak comes from a special way that long protein molecules in fresh cheese curds rub against your teeth. To make cheese curds, milk is warmed and a culture with bacteria … Continue reading Squeaky Cheese Curds: The Science Behind Wisconsin’s Favorite Snack
Neat-o Mosquito is the first of my regular columns in Chippewa Valley Family Magazine. I've always enjoyed science and have long wanted to be a science writer. I've also enjoyed writing for my children, so a science column for kids seemed like a perfect fit. I've long wondered how insects survive the winter, so this … Continue reading Why is That?: Neat-o Mosquito