How long is 'now'? The short answer is 'somewhere between 2 and 3 seconds'. The long answer involves an incredible journey through neuroscience, our subconscious and the time-bending power of meditation. Living in the present may never feel the same. Ready for some more? Okay. Why isn't Pluto a planet? Why are dogs' noses wet? Why do hens cluck more loudly after laying an egg? What happens when one black hole swallows another? Do our fingerprints change as we get older? How young can you die of old age? And what is at the very edge of the Universe? Life is full of mind-bending questions....