The human body -- The human brain -- The animal kingdom -- The natural world -- Weird science & machines.
Summary:
Why is the sky blue? Could we ever bring back the dinosaurs? And why are yawns contagious? If these questions have ever kept you up at night, you can finally rest easy because this book will put these and many other long-lived scientific uncertainites to rest.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.