Stretch those little grey cells and take the ultimate sudoku challenge - time yourself while you number crunch
When you drive, heat your home or take a flight, CO2 is released into the atmosphere. Check your carbon footprint with the 60-second calculator
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Soap weddings rarely go without a hitch. Test your knowledge on some of the most dramatic nuptials
- Know your celeb couples? Prove it
From Krakatoa to Vesuvius, how much do you know about volcanoes? Pit your wits now
- Take our spelling test
Is your CV dazzling your prospective employers or clogging up their shredder? Improve it with our tips
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Do they really love you? Should you quit your job, or move house? Why not ask the ancient tarot for advice? Try a 3-card reading for free
How's your music trivia from the decade that saw the birth of rock 'n' roll? Try our 1950s music quiz
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