From spiders to stinging nettles, bees to boy bands and twins to thermal undies, you'll wonder why these questions hadn't occurred to you before but you'll never forget the answers and will want to share them with all your friends. Which lottery numbers should I pick? Is it true that we are made entirely of stardust? Can dogs tell the time? Why do songs get stuck in my head? If Rome wasn't built in a day, how long did it take? How do you wash a raspberry? What is the most expensive thing on Earth? Where is last Wednesday?