Yawns Freeze Your Brain: More Mind-Blowing Facts From Science, History, Life and The UniverseEver wondered why we yawn and have eyebrows, what happens at absolute zero and why some tunes get stuck in our heads? If youve spent your days searching for the answers to these and lifes other big questions then look no further. Yawns Freeze Your Brain from the bestselling author of Does Anything Eat Wasps and Farts Arent Invisible is the gift of enlightenment that you never knew you needed! Shining a light on some of lifes trickiest questions across