By Chenxin Tu, 6 April 2023
Grab a beanie and a cup of hot cocoa, this quiz is all about cold things! So will you find this quiz refreshing, or will it chill you to the bone?
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By David Shaw, 31 January 2018
What’s the coldest thing in the universe? You may have heard of absolute zero, the coldest temperature possible. But a clever bit of mathematics has shown it might not be possible after all!
