In this special edition, the experts from BBC Science Focus Magazine reveal the mind-blowing answers to the perplexing questions that baffle the brightest of brains. Puzzling questions like... ❱❱ Why do astronauts always wear white suits? ❱❱ Do solar panels work better on hot days? ❱❱ Why don’t horses have toes? ❱❱ What state of matter is fire: solid, liquid or gas? ❱❱ If clouds can weigh tonnes, how do they stay aloft?