Showing titles in Science & Technology

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.

De la serie Mis Pequeños Héroes, nace este audiolibro que recoge las impresionantes vidas de 3 grandes científicas que con su labor contribuyeron a hacer del mundo un lugar mejor. Conoce a Marie Curie, la científica que ganó dos premios Nobel. Descubre la apasionante vida de Jane Goodall, la mejor amiga de los chimpancés y de la naturaleza. Escucha a Florence Nightingale, la primera enfermera de la historia. Descárgate este audiolibro y comparte con las más peques de la casa las historias de estas maravillosas mujeres cuyas vidas nos siguen inspirando cada día.

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.

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.

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.

In 1949, Dorothy Vaughan became the first African American woman to lead a team at NASA's Langley Research Center. Her work as a mathematician was an important part of helping the United States explore space. Learn more about Vaughan's life as a famous mathematician!

Scott Kelly, an American astronaut, went to space in the 1990s and 2000s. In 2015, he spent nearly a year in space. While there, his body was compared to his twin's on the ground. The data helped us learn about the impacts of space on the human body. Learn more about Kelly's life as an astronaut!

Ilumina tu curiosidad con la Doctora Mae Jemison, la primera mujer afroamericana que viajó al espacio y participó en el programa espacial de NASA.

How much do you know about Benjamin Franklin? Find out the facts you need to know about this Founding Father, author, and inventor. You'll learn about the early life, challenges, and major accomplishments of this important American.

Stephen Hawking was one of the greatest minds of our time. His theories about the universe have changed the way we think about black holes and the Big Bang. Learn more about the physicist on wheels who traveled the world.

How did a boy with limited resources and a curious mind change the world? Meet Lewis Latimer, the inventor who made train journeys more comfortable and brought brighter light to our homes! In Bright Ideas for a Better World—Lewis Latimer, listeners ages 4 to 8 discover the amazing story of this unsung hero of invention. Lewis started his journey surrounded by the blueprints and ideas of others, and his own inventions soon followed! His biggest breakthrough came when he joined forces with Thomas Edison to make better lightbulbs.

Embark with us on a powerful journey where we walk side by side with some of the most iconic scientists in history, both male and female! We’ll be exploring everything from the mysterious cosmos and foundational laws of physics to the building blocks of life itself!

As a kid, Barrington Irving moved from Jamaica to Miami and played football—his ticket to success, he thought. But then Captain Gary Robinson swooped into his life. Barrington had never seen a Black pilot before. Captain Robinson showed Barrington a jet, a cockpit, and what it was like to actually fly a plane—WHOAAA! After that, Barrington had big plans, and two words: Let's Fly!

The daughter of a seamstress and a cobbler, Jeanne Villepreux-Power began her career as a dressmaker, sewing beautiful gowns for the Parisian aristocracy. But her heart longed for more, and when she moved to the seaside, she became fascinated by the ocean's mysteries.

De la serie Mis Pequeños Héroes, llega el audiolibro de la increíble historia de Isaac Newton, el científico que nos descubrió cómo funciona el universo, narrada por el astronauta Pedro Duque. La mayoría de héroes que conocemos son seres extraordinarios con poderes mágicos y una capa ondeando en sus hombros. Pero también existen héroes de carne y hueso, tan humanos como tú y como yo, que algunas veces se equivocan y otras aciertan a lo grande. Isaac Newton fue uno de ellos. Sus poderes fueron una inmensa curiosidad, un gran conocimiento de las leyes matemáticas y muchísima capacidad de observación.

This biography audiobook for kids ages 8-11 charts the major events of Amelia's life, including buying her first plane (a bright yellow bi-plane that she named "The Canary"), gaining her pilot's licence in 1923, becoming the first female air passenger to cross the Atlantic Ocean in 1928, and becoming the first woman to fly solo across the Atlantic in 1932, earning her the nickname "Queen of the Air". The story of a true feminist icon, DK Life Stories: Amelia Earhart is the gripping tale of a determined woman who broke the rules and followed her dreams skywards.

Women are an important part of science. In ancient times they did science as well as math, medicine, and teaching. There were some people who said that only men could do science. But, they were wrong. Women are just as good at science and teaching science as men are.

Little People, Big Dreams® erzählt von den Lebensgeschichten beeindruckender Persönlichkeiten: Ob visionärer Wissenschaftler, wegweisende Modedesignerin, mutige Aktivistin oder rebellische Schriftstellerin, sie alle haben Großes vollbracht. Dabei begann alles, als sie noch klein waren – mit Mut und großen Träumen.

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.