This week’s puzzle is not about gravity, though you’d be excused for suspecting as much. After all, when most people read “Isaac Newton” and “tree” in the same sentence, they think also of falling apples. But this week’s puzzle, which is widely attributed to Newton, is actually an exercise in orderly arboriculture.
This week’s puzzle puts you at the mercy of an unjust torturer. Explaining why he is unjust can help you make sense of a daunting mathematical proof that last year made headlines for being “bigger than Wikipedia.”
Pirates, of course, are notoriously greedy – but they're also incredibly shrewd. And don't forget, they'll kill you, if given the chance.
This week's Sunday Puzzle looks like a mathematical equation. Well, it is a mathematical equation. But hidden in that equation is a poem. Can you recite it back to us?
Today's puzzle will be posed in two halves. The first half is a classic riddle – in fact, I suspect many of you will have heard it before. The second half, however, is an extension of the riddle that reveals its most common solution be be insufficient.
When someone buys $50 (or more) worth of Hearthstone cards, they inevitably do some simple math to figure out each card's rarity. But those numbers aren't actually useful for figuring out your chances of getting a legendary or golden card next time.