You didn’t know that the first edition of The Hitchhiker’s Guide to the Galaxy had an terribly useful appendix entitled "A compendium of astro-travel medicine", did you? Its highlights, and its sad fate are detailed in the Christmas issue of the Canadian Medical Journal.

And it had me laughing until I wheezed in an empty office at 8 pm, 3 hours into overtime on zany deadlines with the computer system playing up. It is therapeutically funny.