You know those niggling, brain boggling questions that pop in to your head and you never quite know the answer.When is the Sun going to stop shining? How many undiscovered species of animal are there? How long can I be dead and still be successfully revived? How long could I survive by eating bits of myself? How deep will the oceans be if the ice caps melt? Am I more likely to be killed by a shark, a lion or a crocodile? Do elephants really never forget? Are dogs smarter than cats? What would happen if Earth was hit by a meteorite? .Well this book takes those puzzling questions and gives you the fascinating, fun, fact-based answers.