I have a list of popular science book ideas that I occasionally revisit – things I quite fancy writing in the future. Now I have to cross one of them off the list, because Simon Flynn has written it for me. My list describes it as a popular science version of Schott’s Miscellany , but Flynn has called it by the (to me, rather clumsy) title The Science Magpie . At least, that’s what I assume it is, because I have to confess, I’ve never read Schott’s Miscellany , so I don’t know what it contains – I merely assume it’s this kind of kaleidoscopic mix of all manner of facts, from the quite interesting to the downright weird. It’s the sort of book you can imagine Stephen Fry curling up with of an evening before hosting QI . Inevitably in such an inspired hotch-potch there will always be some entries that inspire more than most. I loved, for instance, real molecules with silly names, the 1858 Cambridge University exam questions and the curly snail periodic table. Other parts are mo