In Bioengineering: Discover How Nature Inspires Human Designs, young readers explore designs and innovations that come from nature. Leonardo da Vinci studied birds' wings to draw his design of a man-made flying machine and engineers still look to birds when attempting to make planes more aerodynamic. And a burr on your shirt from walking through a field sticks like Velcro, doesn't it? The plant and animal world provides engineers and scientists...