The Science History Institute is closed for Independence Day on Friday, July 4, and there will be no First Friday event.

Mark Wolverton

More from Mark Wolverton

The Dark Stars of Marietta Blau

A scientist pitted hard work and ingenuity against the constraints she faced as a Jewish woman.

How the First American Science Writer Found (Then Lost) God in the Cosmic Ray

In the 1930s a pride- and faith-fueled dispute between two Nobel Prize–winning physicists spilled onto the front page of the New York Times.

Picture of shipping containers

Armageddon’s Fingerprints

Around the world a network of detectives searches for evidence of illicit nuclear activity. Is it enough to keep us safe from a nuclear catastrophe?