Résultats pour "Morgan" dans Sciences et technologies

Growing up in the 1920s on a dirt-poor farm in North Dakota, Mary Sherman's life was filled with chores—until she finally began school and discovered she loved to learn. Mary excelled at science, especially chemistry, and leaped at the chance to work in a laboratory during World War II designing rocket fuels. And when the US decided to enter the space race, Mary was chosen over her male colleagues to create the fuel to launch a rocket carrying America's first satellite.

Discover galaxies of fun and amazing facts about space! Eighty-nine of the best, weirdest, most out-there space facts that every kid should know from planets made of diamonds to planets that rain glass—sideways!

From Karyn Parson's critically acclaimed Sweet Blackberry video series comes the little known story of Garrett Morgan, an African American inventor who created the traffic signal. Before Garrett Morgan became a successful inventor and saved countless lives with his creations, he was a little boy...

Every inch of the United States is in a river’s watershed. But in 1966, one of our most important watersheds was dying. Dead fish washed up on the Hudson River’s shores, and the once-clear water reeked of oil. With too much pollution to support human or animal life, America’s “First River” was in too deep—until a Riverkeeper, a pioneering group of environmental activists, fought to get rivers around the globe out of troubled waters. Nonfiction pro Nancy Castaldo showcases Riverkeeper’s achievements and the intersection of science and activism.