526
xkcd #2877: Fever
(imgs.xkcd.com)
Alt text:
Hypothermia of below 98.6 K should be treated by leaving the giant molecular cloud and moving to the vicinity of a star.
Never. Rankine increases faster than Celcius, so the two will never cross
Those lines do not cross
Huh, so the lines do cross, just at a pysically impossible temperature of -614.5875. Neat!