January 04, 2009
xkcd's Guide to Converting to Metric
I would add to this:
37 degrees C: Body temperature(98.6 Fahrenheit)
38.5 degrees C: Fever (101.5 degrees Fahrenheit)
40 degrees C: The temperature of Kahlan* in Legend of the Seeker. Seriously, she's smoking hot!
*Much better than Summer Glau in my opinion.