UW–Madison Science

@UWMadScience
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Science and research news from the University of Wisconsin-Madison.
websitehttps://news.wisc.edu/
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UW–Madison ScienceJun 13, 2023
Carefully preparing our peepers for this year's crop of Cool Science Image Contest entries. Submit your coolest, #UWMadison: https://news.wisc.edu/cool-science-image-contest/
2023 Cool Science Image Contest

The 2023 Cool Science Image Contest is open to entries! Want to share your work or interest in science? Use the link below to send us up to three of your cool science images and videos. On this page: What we’re looking for What you could win…

UW–Madison ScienceDec 24, 2022

Temps have been below zero here for >24 hours — and below freezing for a solid week. So why is Lake Mendota still so liquid?

Atmospheric and oceanic sciences prof Steve Ackerman says *all* the water in the lake needs to cool to 4°C (~40F) for surface water to stop sinking and freeze.

Right now, the lake’s deeper water is ~8 C, and high winds are also holding off ice. “Of course, the cold temperature and strong wind will help mix the water and cool it down near freezing.”

Video by Jeff Miller.