Metropolitan Library System - Kids Catalog

Bionics uses mechanical and electronic technology to solve biological problems, including helping people who have lost limbs walk again. Learn more about how today's bionics are extending, improving, and saving lives.

Every year, doctors and medical researchers make incredible breakthroughs in human medicine. Did you know some are finding ways to build organs in laboratories? Learn more about the innovative medical devices and treatments used in this exciting, lifesaving work.

Forensic scientists study evidence to figure out who committed a crime. Learn about the latest tools and techniques in use by forensic scientists, and discover how their work helps bring criminals to justice.

Did you know that robots play a very large role in the lives of humans? They work in factories and explore other worlds. Learn about today's most notable robots and the incredible new robots coming in the future.

Bitcoin is a digital currency-money that exists only online. Some people have used it to get rich. Others have accidentally lost it forever. Learn what decides bitcoin's value and how anyone with a fast computer can mine it. You'll also explore blockchains, the technology used to make bitcoin transactions. See how the blockchains may change the internet forever.