First to Find Out: Scientists Who Changed the World (Active Minds: Book of Firsts)

What we think we know about science changes all the time. Every day, new discoveries are made and fresh ideas are brought to life. Study some of the scientists, mathematicians, and brilliant brainiacs whose questions--and answers--have helped our minds and bodies reach the next level. Every "Aha!" moment is a new step forward to shaping our world--and beyond!