How do ships float? How do airplanes fly? What is jet lag? And why is it a different time in Tokyo than it is here? The answers to all those questions--and more--are in science . . . and in this book. Travel is the way that we discover our world, but we would not get very far without science helping us along. And it's not just travel--science is all around us, every hour of every day. Discover more ways that science is a part of our lives in SCIENCE...