The Do Something guide to getting smarter
Begin at the beginning, with what "smart" is, and learn how to crack cryptic crosswords, learn to love numbers, be a quiz whizz, and supersize your vocabulary
The Do Something cutout: tackle a tangram
Feeling clever? Have a go at these tough Do Something puzzles
Countdown’s Rachel Riley on learning to love maths
Word up: how to improve and enlarge your vocabulary
How to win quizzes – from pub contests to Mastermind
Can we make ourselves more intelligent?
How to solve a cryptic crossword – crack 10 of our clues
