Science

Night sky fallings: Spotters document space debris over northern Minnesota
This past Saturday people around Lake Superior saw a long flash of sparkling white and green light trail across the night sky. Was it a meteor? Santa’s sleigh? Turns out, it was a piece of “space junk.”
Does one drink make you dizzy? Why alcohol hits us harder as we age
For many people, the holidays mean more parties and more occasions to drink. But if you’ve noticed that one cocktail hits you harder than it used to, there’s a scientific reason to explain it.
U of M scientists find fungi can fight emerald ash borers
University of Minnesota researchers say they’ve discovered several naturally occurring parasitic fungi that could be weaponized against the invasive beetles responsible for killing millions of ash trees across Minnesota and the eastern United States.
Telescope in Chile captures stunning new picture of a cosmic butterfly
Snapped last month by the Gemini South telescope, the aptly named Butterfly Nebula is 2,500 to 3,800 light-years away. At the heart of this bipolar nebula is a white dwarf star that cast aside its outer layers of gas long ago.
‘Sticky’ pine needles could provide clues about forever chemicals in Minnesota’s air
Scientists want to better understand how PFAS move through the environment. It turns out that coniferous needles make surprisingly good natural air monitors. 
The CDC has backtracked long-held vaccine guidance; Minnesota public health expert responds
Michael Osterholm, director of the Center for Infectious Disease Research and Policy at the University of Minnesota, is worried the CDC’s new messaging could have a chilling effect on vaccination rates.