People have been experimenting with drones for more than 150 years. During the U.S. Civil War, they tested hot air balloons loaded with explosives on timing devices. These early drones were dangerously unreliable and uncontrollable. Spies in hot air balloons proved the importance of aerial surveillance but also the risk. Technology soon caught up and made flying and spying using unmanned aircraft possible. Today, drones do more than ever before. Electric...

Whether he's firing passes or scoring touchdowns, Patrick Mahomes is one of the best quarterbacks in the NFL. In 2020, he led the Kansas City Chiefs to an epic Super Bowl victory. But Mahomes grew up playing baseball, not football. Learn how Mahomes followed his dreams and became a star quarterback.

People have been riding buses for more than 350 years. Billions of people climb aboard buses every day. Today's buses guzzle gas or diesel made from fossil fuels that may be used up within 50 years. Buses also release tons of pollution, making people sick and causing changes to the Earth's climate. Many people believe the future of bus transportation is electric. Electric buses are better for people's health and for the planet. Companies around the...

Long ago, sneakers were only worn by athletes. Today, everyone wears them-from Olympic athletes lacing up high-tech, feather-light shoes to kids learning to tie their shoelaces for the first time. Sneakers help people play sports, feel comfortable, and show their style. Nike sells 25 pairs of sneakers every second-more than any other company in world!

Lights, camera, action! Bradley Cooper is one of the world's most famous movie actors. He has played a tough soldier, a demanding chef, a country music star, and even a cranky alien raccoon. This exciting book takes you behind the scenes to discover the real life of this legendary actor.

In 1924, Adi and Rudolf Dassler started a shoe company in their mother's laundry room. They would one day divide that company into Adidas and Puma. Today, Adidas sells millions of sneakers a year. The company's three-stripe logo is world famous. People of all ages wear Adidas sneakers for sports and style.

In the 1900s, many dairies, bakeries, and stores used electric delivery trucks. Trucks with gas engines which could go faster and haul heavier loads replaced them. Most of today's trucks-from pickup trucks to tractor-trailers-run on diesel, made from fossil fuels. Trucks, and other forms of transportation, are using up fossil fuels fast. Fossil fuels may be gone by 2050. Trucks also cause air pollution that harms people and the planet. Electric trucks...

Thousands of years ago, shoes were made to protect people's feet. Today, people wear high-tech sneakers for sports and for style. Companies, such as Reebok, sell millions of sneakers every year. People around the world love wearing these sneakers.

Goooaaalll! As a pro soccer player, Carli Lloyd has scored more than 100 goals, captured two Olympic gold medals, and won two World Cup titles. She dives for plays and blasts balls into nets. Find out what it took for Lloyd to become one of the world's top soccer players.

Long ago, only athletes and wealthy people who played sports wore sneakers. King Henry VIII of England ordered a pair to play tennis on his lawn. Now, everyone wears sneakers-for sports and style. Puma was founded after two brothers in Germany became enemies and divided their shoe factory. Today, Puma is one of the world's largest sneaker companies.