Presents the life of the astrophysicist, including his childhood in the Bronx, his academic career, and his status as a scientific expert.

Have you ever wished you could use technology to improve people's lives? Ever since he was a teenager, Sebastian Thrun wanted to build machines that helped people. So far, Thrun has developed robots that can be tour guides and nurses and can help save miners trapped underground. In 2004, he won a US Department of Defense contest by building a car that could drive itself. Since then, the self-driving cars he developed have been tested on more than...

Have you ever watched a home video that went viral on the Internet? Then you've probably heard of the company YouTube. YouTube was created by Steve Chen, Chad Hurley, and Jawed Karim in 2005. When these three friends wanted to share a video from a party, they realized they were on to something. They thought other people would want an easy way to share videos online too. The website they built quickly became the most popular online video community...

Discusses Sanghvi's early life in India and education in the U.S., as well as how her work as the first female engineer at Facebook helped it become the largest social networking site in the world.

Do you enjoy snapping photos or taking movies of your adventures? So does Nick Woodman-but when he was growing up, most of his activities weren't camera-safe. Woodman was a diehard surfer. He couldn't hold a camera-or keep it dry-while he was boarding. So many of his memorable moments went unrecorded. As an adult, Woodman set out to invent a camera that's easy to use anywhere. The result was GoPro-a company that builds sturdy, waterproof, wearable...

Have you ever wondered how the universe began? Growing up, Brian Greene's father taught him to think about the world in different ways. Greene was curious about how it all worked. He set out to find answers to big science questions. At Harvard University, Greene studied physics and was named a Rhodes Scholar, an honor only the most gifted students receive. He was fascinated by the new theories explaining the universe, but he wanted to share his fascination...

While watching Star Trek on television as a child, Mae Jemison was certain she would one day visit space. Then she became the first black female NASA astronaut. Find out how Jemison's passion for science led to her achievements.

Learn more about Rachel Carson, an American marine biologist and conservationist whose books helped to advance the global environmental movement.

When Diana Trujillo was little, working for NASA was her greatest dream. She loved to gaze at the stars in the sky. She also enjoyed math and art. Then she learned that engineers use math and art in their work. So Trujillo decided to be a NASA engineer. Although she didn't speak English, she was determined to live her dream. Trujillo believed in herself enough to move from Colombia to the United States to learn English. After years of hard work, she...

Do you play computer games? If you do, you've probably played Minecraft. When Minecraft creator Markus Persson was young, he wasn't very interested in the games themselves. He was more interested in the programing instructions in the computer's manual. By the time Persson was eight years old, he was writing code for his own computer games. When he was eighteen, Persson landed his dream job as a video game programmer. In 2009, he designed Minecraft...