Mostrando títulos en Ciencia y Tecnología

When a terrible drought struck William Kamkwamba's tiny village in Malawi, his family lost all of the season's crops, leaving them with nothing to eat and nothing to sell. William began to explore science books in his village library, looking for a solution. There, he came up with the idea that would change his family's life forever: he could build a windmill. Made out of scrap metal and old bicycle parts, William's windmill brought electricity to his home and helped his family pump the water they needed to farm the land.

Before Carl Linnaeus began classifying organisms, before John James Audubon drew birds from the wild, before Charles Darwin proposed his theory of evolution, there lived a 13-year-old girl named Maria Merian who loved to draw bugs. With no formal training or university education, Maria Merian took on the role of artist, adventurer, and scientist in 17th-century Europe - a time when women were rarely allowed responsibilities outside the home, and unusual interests led to accusations of witchcraft.

Heroes of History is a unique biography series that brings the shaping of history to life with the remarkable true stories of fascinating men and women who changed the course of history. Known during the Civil War as the "Angel of the Battlefield," remarkable Clara Barton helped to save countless lives on the frontlines of battle. She went on to find thousands of missing soldiers and to organize the American National Red Cross. An incredible story of service and sacrifice.

Wildlife expert and YouTube phenomenon, Coyote Peterson, is back with the sequel to the best-selling Brave Adventures: Wild Animals in a Wild World. Once again, Coyote and his crew voyage to new environments and encounter an even more eclectic ensemble of the planets' animals. From a slimy octopus to elusive tree climbing lizards to nomadic wolverines - this book promises to be another fast-paced, wild experience.

At least as far back as the ancient myth of Icarus, humans longed to fly - but it wasn't until December 17, 1903, on the windy dunes of Kitty Hawk, North Carolina, that the dream finally came true. And it was all thanks to Orville and Wilbur Wright, two former bicycle mechanics who built their first toy plane - a rubber-band powered rotary - when they were just children.

Like Michelangelo, Galileo is another Renaissance great known just by his first name - a name that is synonymous with scientific achievement. Born in Pisa, Italy, in the 16th century, Galileo contributed to the era's great rebirth of knowledge. He invented a telescope to observe the heavens. From there, not even the sky was the limit! He turned long-held notions about the universe topsy turvy with his support of a sun-centric solar system.

With exclusive access to Elon, his family, and his friends, this book traces Elon's journey from a kid in South Africa to a young man in the United States, his dramatic technical inventions, and his world-changing companies. Elon has sparked new levels of innovation in the world, and this book gives young listeners a detailed but fast-paced look at his story.

Steve Jobs, adopted in infancy by a family in San Francisco, packed a lot of life into 56 short years. In this Who Was...? biography, children will learn how his obsession with computers and technology at an early age led him to cofound and run Apple in addition to turning Pixar into a groundbreaking animation studio. A college dropout, Jobs took unconventional steps in his path to success and inspired the best and the brightest to come with him and "change the world".

As a child growing up in Detroit, Ben Carson (1951-) has a dream of becoming a physician, a dream that rose out of struggles with poverty, racism, and poor grades. As Ben persevered and strove for academic excellence, his life became one of compassion and service. Today, Benjamin Carson, MD, is known as the American neurosurgeon with gifted hands.

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».

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together, they discovered two elements and won a Nobel Prize in 1903. (Later, Marie won another Nobel award for chemistry in 1911.)

Meriwether Lewis had been commissioned by President Jefferson to lead a daring expedition so remarkable it would become one of the most famous explorations in history. He chose as his co-captain William Clark. Their mission—to find a land route to the Pacific Ocean while learning as much as possible about the thousands of miles of unexplored territory they struggled through (1774-1809).

The globetrotting naturalists of the 18th century were the geeks of their day: innovators and explorers who lived at the intersection of science and commerce. Foremost among them was Carl Linnaeus, a radical thinker who revolutionized biology. In What Linnaeus Saw, Karen Magnuson Beil chronicles Linnaeus's life and career in readable, relatable prose.

The son of missionary parents, Paul Brand did not plan on becoming a doctor. After training as a builder, he was called by God into medicine and spent a lifetime treating leprosy and restoring hope to thousands of sufferers. Dr. Paul Brand became the first surgeon in the world to use reconstructive surgery to correct the deformities of leprosy in the hands and feet. He strove to eliminate the stigma of the disease and rebuild the lives of those destroyed by it.

Children will enjoy listening to early evidence of young Clara Barton's calling such as when Patch, her beloved dog, is injured, and Clara nurses him back to health. They will sympathize with her boarding school days when she is snubbed because she is too shy to talk to other girls. But her shyness disappears when she assists the local doctor.

Sir Isaac Newton is one of history's most renowned scientists. He independently developed the mathematical technique known as Calculus, wrote a treatise on the properties of light and color that is still consulted by scientists, and worked out the mathematical details of the law of gravity.

A life in the wild! Jane Goodall, born in London, England, always loved animals and wanted to study them in their natural habitats. So at age 26, off she went to Africa! Goodall's up-close observations of chimpanzees changed what we know about them and paved the way for many female scientists who came after her. Now her story comes to life in this biography.

Born in 1860s Missouri, nobody expected George Washington Carver to succeed. Slaves were not allowed to be educated. After the Civil War, Carver enrolled in classes and proved to be a star student. He became the first black student at Iowa State Agricultural College and later its first black professor. He went on to the Tuskegee Institute where he specialized in botany (the study of plants) and developed techniques to grow crops better. His work with vegetables, especially peanuts, made him famous and changed agriculture forever.

Leonardo da Vinci was a gifted painter, talented musician, and dedicated scientist and inventor, designing flying machines, submarines, and even helicopters. Yet he had a hard time finishing things, a problem anyone can relate to. Only 13 paintings are known to be his; as for the illustrated encyclopedia he intended to create, all that he left were thousands of disorganized notebook pages. Here is an accessible portrait of a fascinating man who lived at a fascinating time - Italy during the Renaissance.

On July 20, 1969, Neil Armstrong stepped on the moon and, to an audience of over 450 million people, proclaimed his step a giant leap for mankind. This Eagle Scout built his own model planes as a little boy and then grew up to be a test pilot for experimental aircraft before becoming an astronaut.