The military exposed thousands of servicemen to radioactivity when it called them to participate in nuclear weapons tests, including Operation Teapot in 1955. One was Eldridge Jones, who later ...

Odd Squad is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.

Last year, in July, Reine Protacio’s experiments suddenly stopped working. Every scientist encounters baffling results from time to time; you chalk it up to error, repeat the experiment, and hope for ...