100 Greatest Science Discoveries of All TimeThroughout history, science has changed lives and dramatically altered the way in which the universe is perceived. Focusing on the 100 most significant scientific events of all time--from Archimedes' discovery of the two fundamental principles underlying physics and engineering (levers and buoyancy) in 260 B.C.E. to human anatomy, Jupiter's moons,... | | The Web and Parents: Are You Tech Savvy?
Are you a parent with kids in elementary, middle, or high school? This book is for you. You may feel that your children are experts on using the Web, technology wizards, computer geniuses. Please don’t despair. First of all, they are not necessarily all of these things simply because they may know more than you do about using the Web.... | | |