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Vroom! A semitruck roars as it goes up a steep hill. The trailer is loaded with goods. A truck with a big engine pulls the trailer along. Together, the truck and trailer have 18 wheels! Young listeners will find out about the main parts of these huge vehicles, the kinds of cargo they carry, and why they are an important type of transportation.

Zoom! Who needs four wheels when two wheels can be so much fun? While street motorcycles zoom around cities, dirt bikes fly over jumps and twist around dirt trails. Young listeners will find out about the types of motorcycles, their main parts, and why these vehicles are so popular.

Some race cars look a lot like regular cars. Others have thin bodies and open wheels. Some race on dirt, while others race on smooth paved tracks. But they all have one thing in common...speed!

People have been traveling over water to get from here to there for thousands of years, but not in these vehicles! Long ago, people could only dream of what modern technology would bring. Take a tour of some of the most unique and fascinating watercraft around.

Nikola Tesla was a scientist and inventor in the late 1800s and early 1900s. Among his many inventions and experiments, he helped create the modern electricity system. Learn more about Tesla's life as a famous inventor!

Human transportation has come a long way since the invention of the wheel. Vehicles of all sorts have us speeding across land, through water, and in the skies. What might be next? From self-driving cars to jet packs, listeners will discover exciting new ways they may get around in the future.

A virtual assistant by any name—Alexa, Siri, whoever—can be a sweet addition to your home. You might use one for simple jobs like playing music or streaming podcasts. And you might use one to communicate with friends and remind you about homework coming due while helping you make your breakfast. Find out how digital assistants work and what the future might hold for this part of a high-tech home.

Trains and other vehicles that travel on rails and tracks have been around for hundreds of years. While most of these are for transportation, roller coasters and a few others are just for fun! Find out how maglev trains use magnets to reach speeds of more than 250 miles per hour. Discover what it's like to travel in a pod car, and learn how the world's wildest roller coasters live up to their scream-worthy rankings. See the most awesome rides on tracks and rails!

From the written word to the cell phone, human communication has come a long way. What might the future hold? Listeners can discover how virtual reality, holograms, and a fully connected "internet of things" may affect how they communicate in the near and distant future.

Hear about some of the world's most messed-up medical mishaps. Find out how each procedure, tool, or surgery failed, the basic science that was missed, and what doctors learned from their mistakes.

Streaming puts a world of options at your fingertips when you’re at home and, with a smartphone or tablet, when you're on the go. Find out how streaming was invented, how it works, and what the future might hold for this part of a high-tech life.

The wheel was invented more than 5,000 years ago, and it has brought some awesome vehicles our way. But this invention isn't done giving! Take a tour of some of the most unique and fascinating vehicles around.

Hear about some of the world's fastest transportation breakdowns. Find out how each form of transportation failed, the basic engineering missed during construction, and what engineers learned from their mistakes.

Humans are ingenious when it comes to meeting challenges. We invent all sorts of useful contraptions from the wheel to the can opener. But some of the things people have come up with are truly odd. Who came up with grass sandals, and why? Have you ever heard of a portable radio hat? Not many people have, but someone invented it. Get the inside scoop on these odd contraptions and many more weird inventions.

Hear about some of the world's greatest gadget disasters. Find out how each gadget failed, what went wrong with its design or manufacture, and what programmers learned from their mistakes.

Hear about some of the world's biggest building blunders. Find out how each structure failed, the basic building block that was missed during construction, and what engineers learned from their mistakes.

This fun, fact-filled audiobook will teach kids that there are six different simple machines that make our lives easier including: a lever, wheel and axle, pulley, inclined plane, wedge and screw. Upbeat music will teach kids that simple machines only need a person so make them work.

David Aguilar was born missing part of one arm, a small detail that seemed to define his life and limit people’s ideas of who he was and who he could be. But in this funny and heartfelt memoir, David proves that he can throw out the rulebook and people’s expectations and maybe even make a difference in the world—and all with a sense of humor.

Karl is an Abyssinian ground hornbill with a special challenge. His lower bill had broken off and made eating difficult. Karl did a great job of adapting and finding new ways to eat, but he wasn't getting all the food he needed. His zookeepers at the National Zoo and friends at the Smithsonian Institute wanted to help. Could an old bird skeleton and a 3D printer give Karl a new beak? Karl's new adventure was about to begin!

Pioneering technological breakthroughs have truly changed lives. For some people, particularly those with disabilities, recent advances have crossed the realms of the purely imaginable, and reached a place of possibility. People with paraplegia can walk again, those who are hearing impaired can listen to even the faintest sounds, and some people with missing limbs can create beautiful works of art. This phenomenal book is a celebration of all that has been achieved so far, and a look at what might be possible in the near future. Is it inevitable that technology will surpass biology?