Where did all the hats we see in old pictures go? Why don't we wear hats as much as people used to? When did regular hat-wearing go out of fashion? We've got this question covered.
How old are we when we're first ticklish? Are babies ticklish? Are dogs? What is the science behind tickling? Can you tickle yourself? No joke - we've got the answer!
Why is the sky blue? If the sun is yellow and space is black, where does the blue in the sky come from? Is light a color? What are the colors of the rainbow (and what do they even have to do with this)?
Who invented pizza? Is a pie a pizza? Why is pizza the go-to delivery food? Is the P’Zone from Pizza Hut any good? If you’re puzzled by pizza, or anything else, we’ve got an answer to your most burning questions.