International Space Station

Space junk

The International Space Station almost got slammed by a chunk of junk. How much space debris is out there? And what can we do about it?

2 Comments

- Learn More Providing Support for pbs.org
- - Please try again a little later.

Need to Know is a production of Creative News Group (CNG) in association with WNET. Marc Rosenwasser is Executive Producer. Need to Know is made possible by Bernard and Irene Schwartz, Mutual of America, Citi Foundation, John D. and Catherine T. MacArthur Foundation, Miriam and Ira D. Wallach Foundation, Margaret A. Cargill Foundation, The Corporation for Public Broadcasting and PBS.

International Space Station

Space junk

The dirty dozen and clean 15 of produce

A brief history of the birth control pill

How much radiation is too much? A handy guide

The legacy of Robert Moses

The spark that lit the gay rights movement, four decades later