Rudolph's nose glows because it is home to a species of bacteria,

Sadly, Rudolph catches a nasty cold, which, by the time he is better, has killed all of the bacterial cells in his nose except for one. Santa is worried: there are only 24 hours left until Christmas. Will Rudolph's nose be glowing again in time?

If you need any data that is not included, try to estimate it: Santa wants an answer now, so that he can make alternative plans if need be.

Did you know ... ?

The mathematics of rates and half-lives are of great importance in mathematical biology where growth factors are often in competition with decay factors.

The mathematics of rates and half-lives are of great importance in mathematical biology where growth factors are often in competition with decay factors.