Resultados para "E A Johnson" en Ciencia y tecnología

Vera Rubin was one of the astronomers who discovered and named dark matter, the thing that keeps the universe hanging together. Throughout her career she was never taken seriously as a scientist because she was one of the only female astronomers at that time, but she didn’t let that stop her. She made groundbreaking and incredibly significant discoveries that scientists have only recently been able to really appreciate—and she changed the way that we look at the universe.

What do you want to be when you grow up? When Katherine Johnson was young, women weren't expected to go into the math and science fields. After studying math in school and teaching for a few years, she learned that the organization that would later become NASA was hiring women to complete mathematical equations. As an African-American woman, Johnson had to work hard to earn the respect of her coworkers, but they soon came to rely on her brilliant calculations. Learn how Johnson broke barriers as a female African-American mathematician.

The muscular system is made up of three different kinds of muscles: skeletal muscles, smooth muscle, and heart muscle. But what does each kind of muscle do? And where in the body are they located? Explore the muscular system in this engaging and informative audiobook.

Have you ever wanted to make a jack o' lantern? Where do you start? You're about to learn how to make it happen, step by messy step!

Have you ever wondered what mysteries the ocean holds? Prepare to explore the ocean from sunlit shallows to the deepest, darkest depths. Along the way, you'll meet many incredible creatures that are brand new to science. Dive to a coral reef and spot a new species of pygmy octopus. Travel deeper and discover fragile, nearly transparent jellies as they drift past. Then head down into a world of eternal night. You'll encounter animals that make their own light and zombie worms that feast on the bones of dead whales.

Are zombies real? As far as we know, dead people do not come back to life and start walking around, looking for trouble. But there are things that can take over the bodies and brains of innocent creatures, turning them into senseless slaves. Meet nature's zombie makers - including a fly-enslaving fungus, a suicide worm, and a cockroach-taming wasp - and their victims.

The digestive system is made up of the tongue, the esophagus, the stomach, the intestines, and other parts. But what does the digestive system do? And how do its parts work together to keep your body healthy? Explore the digestive system in this engaging and informative audiobook.

This bestselling, innovative book introduces listeners to the concept of Etuaptmumk—or Two-Eyed Seeing, the gift of multiple perspectives in the Mi'kmaw language—as we follow a group of young children connecting to nature as their teacher. A poetic, joyful celebration of the Lands and Waters as spring unfolds: we watch for Robin's return, listen for Frog's croaking, and wonder at the maple tree's gift of sap.

In the animal kingdom, survival is the name of the game - and not everything is as it seems. A number of animals rely on particularly clever tricks to fool predators or prey. A baby bird mimics a poisonous caterpillar. A moth escapes bats by making sounds that interfere with the bats' echolocation. A tiny rain forest spider builds a big spider "puppet" out of bits of dead leaves, insect parts, and other items.

Fairies have fluttered through popular fairy tales for many years. Have you ever wondered what fairies look like, where they live, or what kinds of tricks they play? Fly through this book to find out the truth about fairies.

In nature, good defenses can mean the difference between surviving a predator's attack and becoming its lunch. Some animals rely on sharp teeth and claws or camouflage. But that's only the beginning. Meet creatures with some of the strangest defenses known to science.

Did you know that some animals have natural ninja-like talents? In this book, you'll learn all about them, including geckos, sea urchins, bombardier beetles, and more. For example, geckos can grip almost any surface - including walls and ceilings - with their amazing toes. And when collector urchins are attacked, they release tiny, sharp objects that bear a striking resemblance to throwing stars. You will also meet the scientists who are studying these animals' amazing abilities.

From the icy Arctic tundra to the warm glow of the rainforest, Homes of the Wild takes young listeners on a captivating adventure across our planet’s diverse habitats. Each beautifully illustrated part reveals how animals adapt, survive, and thrive in the places they call home—from deserts and mountains to coral reefs and wetlands. Through lyrical storytelling and stunning artwork, children will discover how Earth’s ecosystems are all connected, forming one magnificent web of life. It’s more than just a science book—it’s a celebration of the wonder, balance, and beauty of the natural world.

In the past and present, Black people have developed new products and created new processes in STEM (science, technology, engineering, and mathematics). Their work has addressed problems such as medical and healthcare inequality and the negative impacts of climate change. Celebrate the people who have made great achievements in STEM, including PlayVS founder Delane Parnell, astronaut, doctor, and engineer Mae Jemison, and environmental justice leader Peggy Shephard.

You know the Super Soaker. It's one of the top 20 toys of all time. And it was an accidental discovery that brought it into being. Trying to create a new cooling system for refrigerators and air conditioners, inventor Lonnie Johnson instead created the mechanics for the iconic toy. A love of rockets, robots, and inventions and a mind for creativity were present in Lonnie Johnson's early life.

In the new Mini Movers and Shakers children's book series comes a cast of characters who have failed, yet succeeded despite overwhelming obstacles. In the second volume, we meet Steve Jobs. Find out what happens in this kids book about changing the world. Sometimes, we are faced with challenges that seem insurmountable. But with grit and hard work, one can achieve great things!

eNinja shares his best learning practices for online school with his buddy Stressed Ninja. Find out what happens in this comedic book about overcoming anxiety and struggles with virtual distance learning. Life is hard! And it's even harder for children who are just trying to figure things out. The new children's book series Ninja Life Hacks was developed to help children learn valuable life skills.

Your child does not want to brush his teeth? No problem! Beautiful nursery rhymes will help the child understand how important it is - to brush his teeth! You will save your time when you listen to this audiobook along with your growing kid! It's better to immerse yourself in a fascinating bedtime story that will show that brushing your teeth is good!

Before John Glenn orbited the Earth or astronauts walked on the moon, a group of dedicated female mathematicians known as “human computers” used their knowledge, pencils, adding machines, and writing paper to calculate the orbital mechanics needed to launch spacecraft. Katherine Johnson was one of these mathematicians who used trajectories and complex equations to chart the space program. Even as Virginia’s Jim Crow laws were in place in the early 1950s, Katherine worked analyzing data at the NACA (later NASA) Langley laboratory. 

“This rich volume is a national treasure.” —Kirkus Reviews (starred review) “Captivating, informative, and inspiring…Easy to follow and hard to put down.” —School Library Journal (starred review) The inspiring autobiography of NASA mathematician Katherine Johnson, who helped launch...