I handle cold a little bit better than heat.... so cold, I guess.
Plus in reply to Tallyman;
Celsius' idea to basically follow the acts of water, I think, was quite brilliant.... 100* and water starts boiling and below 0* water gradually becomes ice. Gas, liquid, solid. (a fourth maybe?)
Okay, not that acurate 100/100. Air pressure and other variables have influence also but the core principle, the gist.... I like a lot. (for life, our planet's uniqueness, is water, or depends 100% on water ofc.)
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Leonardo's drawing/sketching books or his paintings?