Kerrily Sapet

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.

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.

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...

For more than 2,000 years people have wanted traveling to be easier. Ancient civilizations built early stone railroads to connect cities. Starting in the 1800s, steam-powered engines began chugging across continents-whisking passengers and freight to their destinations at speeds people had only imagined. In the 1940s, powerful diesel engines replaced steam engines. Diesel engines rely on fossil fuels. They cause air pollution and climate change. Today,...

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...

Jimmy Garoppolo started playing football when he was in sixth grade. At age 12 he was 6'2", and one of the biggest, strongest players. He played as a running back until coaches spotted his ability to throw. When Jimmy started playing quarterback, everything changed. He dominated the field in high school and college before being drafted by the New England Patriots. As Tom Brady's backup, he learned from the legendary quarterback. After being traded...

DeAndre Hopkins makes catches that seem impossible. As a receiver for the Houston Texans, he leaps, stretches, and snags the football with his fingertips. Hopkins makes it look easy. However, his childhood was anything but easy. This inspiring biography tells how Hopkins overcame tough times to become a star athlete.

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!

Electric cars have been around since the 1880s. New York City had more than 600 electric taxicabs in 1907. Henry Ford's wife drove an electric car rather than her husband's popular Model T. By the 1920s, electric cars died out. People preferred cars with gas engines because they went faster and farther. When gas is burned for fuel, it causes air pollution. Air pollution is causing problems for the planet and for people. Electric cars are making a...

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.