Laura Hamilton Waxman

Explores what primed Salem for its witchcraft fever, key people in the drama, and the events of the Salem witch trials that led to the execution of 19 innocent people.

Have you ever scrolled through a news feed on Facebook? Ruchi Sanghvi helped design this and other Facebook features. She joined Facebook-then a small Silicon Valley startup company-after moving from India to the United States to study computer engineering. With her help, Facebook quickly became one of the largest social networking sites in the world. Sanghvi was the first female engineer at Facebook, and it wasn't easy blazing a trail for women in...

Thomas Paine believed that American liberty was not only possible but worth dying for. He was dissatisfied with his quiet life until he traveled to the American colonies. There, the cause of American freedom from English rule lit a fire within him. To inspire colonists to support and fight the war, he wrote Common Sense and The American Crisis. He was the first person to use the term the United States of America in print. He helped transform an entire...

Have you ever solved a tricky puzzle? As kids, Joanna Kelley and her siblings had fun solving the math and science challenges their parents invented at the dinner table. Later, Kelly's love of science puzzles inspired her to investigate the building blocks of life. Kelley became a geneticist, a scientist who studies DNA. DNA is the set of instructions inside every living thing-a code that shapes appearance and behavior. Kelley set out to better understand...

Have you ever built a cool science project? In middle school, Aprille Ericsson won second place in a science fair. She knew she wanted to keep creating amazing science projects. As an adult, she became an engineer and works at NASA building spacecraft. Ericsson was one of the few girls in her middle school who loved math and science. Years later, she became the first woman to receive a PhD in mechanical engineering from Howard University. At NASA,...

In December 1620, a group of English settlers stepped out of their boats and climbed up the shore to a point overlooking a small harbor. Known as the Pilgrims, they had traveled far on the Mayflower. Behind them was the vast Atlantic Ocean. Before them was the wilderness of North America. They called their new home the Plymouth Colony. But who were the Pilgrims? Why had they left England? And what lay ahead for them over the long winter in Plymouth?...

Did you know Dr. Seuss is not a real doctor? Dr. Seuss was the fun name chosen by writer Theodor Geisel.