All 44 European capitals in one table, plus the eight that catch people out in quizzes and crosswords — and why Switzerland’s answer is more awkward than it looks.
Zeus or Jupiter, Ares or Mars — the full pairing table, what each god was actually responsible for, and the four where the two traditions do not line up neatly.
Why gold is Au, lead is Pb and tungsten is W. Eleven elements whose symbols come from older names, plus the full table of the ones worth memorising.
A murder of crows, a parliament of owls, a crash of rhinos. The full working list of animal collective nouns, where the strange ones came from, and which are actually used.
The top twenty rivers by length, which continent each drains, and why the Nile and the Amazon have been swapping the number one spot for decades.
The seven letters, the subtraction rule, how to read a long numeral at a glance, and the years that trip people up — including why 1999 is not MIM.
All 38 plays sorted into comedies, histories, tragedies and romances, with approximate dates, the ones of disputed authorship, and the short titles setters reach for.
Alfa to Zulu in full, the numbers, the two words that are deliberately misspelled, and what the alphabet replaced — including the British one with Ack and Beer.
Each sign with its dates, symbol, ruling planet and element, the Latin names setters use, and the thirteenth constellation that is not a sign.
The original seven wonders of the ancient world, which survives, the modern replacement list voted on in 2007, and the natural wonders people confuse with both.
The currency of every country worth knowing, the ones that share a name, the shortest and strangest, and what a rand, a rial and a ringgit actually belong to.
Hydrogen to calcium in order, with symbols and atomic numbers, a mnemonic that actually sticks, and what each one is for.
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