Showing titles in Science & Technology

Did you know that NASA uses mathematics for space travel? Meet Katherine Johnson, one of the first African-American and female mathematicians who worked for NASA. Learn about her life growing up in segregated America and her journey to pursue her education and dreams. Her mathematical calculations helped American astronauts to go to space, land on the moon, and return to earth safely in 1969!

Rachel Carson wasn’t always the Rachel Carson, renowned environmental activist. From her earliest years, Rachel had a passion for nature—to her, it was a fairyland, and she loved to write about her adventures and the creatures she saw. Encouraged by teachers, Rachel wanted nothing more than to study the ocean and its inhabitants. Though unable to finish her PhD due to financial constraints, Rachel found work in science and success as a nature writer.

When Thomas Edison was a boy, he loved performing experiments and coming up with new inventions. His curiosity sometimes got him in trouble, though, like when he accidentally burned down his dad’s barn! By the time he turned 12, he had found ways to make a living by learning how to print newspapers and send telegraphs in Detroit, Michigan. Imagine what he did as an adult!

In the late 1700s, young Louis Braille overcame his disability by inventing "night writing," a system of raised dots to help blind people read. This alphabet of raised dots allowed sightless people to live more independent lives.

Garrett Morgan was an inventor concerned for the well-being of other people. His inventions included the safety hood gas mask and signals that set the standard for today's traffic lights. It is easy to see that the lives of many people were made better or saved by Garrett Morgan’s inventions.

Galileo used his telescope to discover new and marvelous mysteries in the night sky!

Srinivasa Ramanujan has been described as a rock-star mathematician. Though he died almost one hundred years ago, his work in mathematics will always be important.

Every visitor of Yosemite National Park in California should say "thank you" to one man: John Muir.

Did you know the Nobel Prize is named after the man who invented dynamite? Learn all about the life of Alfred Nobel, who grew up in a desperately poor family.

Joseph Montgolfier and his brother Étienne developed the first balloon. But its first riders were a sheep, a rooster, and a duck!

Meet Doug Taron, a scientist who studies butterflies and other Insects & Arachnids at the Peggy Notebaert Nature Museum in Chicago.

An old timer regales the audience with the story of the Stanley brothers and their famous Stanley Steamer, a steam-powered automobile.

Isaac Newton did not discover gravity; people had noticed it before! But he did figure out the rules for how it works.

Why would Geoffrey Pyke propose a strange idea like building an aircraft carrier from a mixture of ice and wood pulp?

Johannes Gutenberg spent his days shut away, working on a mysterious project. His neighbors wondered what he was doing in his metal shop. Why did he need so much money? Was he making expensive gold jewelry? Weapons? Armor? What project could possibly take up so many hours of Johannes's time? And how did his invention change the world?

Cuando José Hernández Moreno tenía 10 años, en 1972, vio aterrizar en la Luna el Apollo 17 en la televisión en blanco y negro de su familia y supo que sería astronauta cuando fuese mayor. Más tarde, aquella noche, se lo contó a su padre y se quedó sorprendido cuando este le dijo: «Puedes hacerlo, m'ijo».

How does a kid grow up to become a scientist? This enthralling nonfiction book from New York Times bestselling author Kate Messner explores the unexpected beginnings behind some of the most fascinating discoveries in scientific history. This book of unexpected beginnings powerfully shows that the great scientists of the future could be practically anyone . . . including you.

All throughout history, Black men have made important contributions to scientific discovery. This collection of biographies for kids explores 15 of these intelligent men and the extraordinary scientific accomplishments they achieved—even when they faced huge challenges. You’ll learn how they stood up against racism and inequality and never stopped following their passions for science, technology, engineering, and mathematics.

Formaldehyde, borax, salicylic acid. Today these chemicals are used in embalming fluids, cleaning supplies, and acne medications. But just over a hundred years ago, they were routinely added to all kinds of food by unregulated and unethical companies. Noted science and history writer Gail Jarrow introduces listeners to the relentless work of U.S. government chemist Dr. Harvey Washington Wiley, who mounted a thirty-year campaign to protect consumers from harmful food and drugs. As part of his research, he tested food additives by serving them to a squad of volunteers—the poison eaters.

From childhood, Sally Ride was a daring adventurer, and her parents encouraged her to pursue the things she loved. Those things included science and math, fast rides, and the stars in the sky. Eventually her passions and her hard work led her to NASA, where she became the country's first female astronaut, inspiring generations of young people to follow their own dreams of space exploration.