लेखक: Margaret J Goldstein

Every day, people on Earth use about 90 million barrels of petroleum (oil and natural gas) to fuel cars, buses, airplanes, farm equipment, and factories; to heat their homes; and to manufacture deter …

With the increase in states legalizing marijuana, understanding the debate about marijuana is more important than ever. Learn about the movement to legalize, the arguments on each side, and what it m …

Did you know that astronauts work on Earth and in space to study places beyond our planet’s atmosphere? But there’s a lot more to space travel than just research. With no gravity, a wild schedule tha …

Did you know that companies and governments send more than one hundred satellites into space every year? And that most of those satellites continue to orbit Earth-even after they have stopped working …

This book looks at the history of drug laws in the United States, the modern-day War on Drugs, and the medical marijuana movement. It provides the opinions and perspectives of police officers, politi …

On the night of November 20, 1969, ninety-two Native Americans sailed silently across the San Francisco Bay toward the island of Alcatraz. They intended to reclaim the land for Indian people and to e …