Titoli in Scienza e tecnologia

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!

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.

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

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

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?

As a child, Nancy Grace Roman moved from home to home. The only constant? The nighttime sky. She loved the stars and knew from a young age that she wanted to become an astronomer. But could she, during a time when many women weren’t even allowed into colleges? Nancy Grace found a way to overcome each barrier placed before her. Her persistence paid off when she was named the first female executive as Chief of Astronomy at the newly created National Aeronautics and Space Administration, or NASA in 1959. It was here she faced her biggest challenge to date

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.

Mary Myers always dreamed of flying, but she lived when women were often told to stay put and stay quiet. Determined and fearless, Mary wouldn’t stay tied down. With the help of her husband, she transformed into Carlotta, the famous aeronaut, and took to the skies. Carlotta performed much more than aerial feats in her gas balloons. A skybound scientist, she collected information on currents, weather, and atmospheric pressure.

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.

In 1752, the sky in Philadelphia, Pennsylvania, darkened. A thunderstorm was coming. Benjamin Franklin was ready to perform an experiment. He wanted to show the electrical nature of lightning. His experiment was a success, but he didn’t discover electricity that day. Myths about Franklin and his experiment have been told for years. Discover what’s real and what’s fiction through infographics, primary sources, and expertly leveled text.

In 1811, while exploring the cliffs near Lyme Regis, England, 12-year-old Mary Anning made the find of a lifetime. There in the rocks was the skeleton of a strange creature. Mary's find was later named Ichthyosaurus, a reptile that lived more than 250 million years ago. Anning went on to have a long career finding and identifying dinosaur fossils. However, her work often went unrecognized by male scientists of the time, and she received little credit until long after her death. Learn about Mary Anning's perseverance and her important discoveries in paleontology.

Stay curious with Dr. Mae Jemison, the first African American woman to travel to space and participate in NASA’s space program.

Dutch student Boyan Slat always loved inventing. A visit to the oceans of Greece inspired his greatest invention ever. Why were there more plastic bags than fish? How could he save the sea? Learn more about Boyan’s Great Pacific Garbage Patch project; The Ocean Cleanup and his plastic cleanup invention, System 001; and the challenges behind removing trash from our oceans and rivers.