In the 1980s, rising public awareness about waste was fueled by a bizarre news story about a meandering New York City garbage barge.

NASA isn’t the first organization to experiment with living on Mars – in 1991 eight people sealed themselves inside a giant glass biosphere to practice space living. By the time they emerged two years later, they had “suffocated, starved and went mad.”

Increasingly, wildfires affect populated areas. But 30 years ago, it was a huge fire in Yellowstone National Park that stoked media attention and political controversy.

Long before Edward Snowden, there was the greatest heist you’ve never heard of. On March 8, 1971, a group of eight Vietnam War protestors broke into a Federal Bureau of Investigation field office in Media, Pennsylvania and stole hundreds of government documents that shocked a nation.

Six days after 9/11, the FBI’s raid on a sleeper cell signaled America’s resolve to fight terrorism. But, despite a celebrated conviction, there was one problem–they were wrong. For teachers: This video is part of a collection of resources including four short films, each accompanied by a lesson plan and student activity.

A story of America’s school integration and what happened when the buses stopped rolling.

In the 1990s, a bunch of gene jockeys brought the first genetically engineered food to market. The business crashed but biotech science has flourished far beyond the produce aisle.