Who Discovered the Cause of Down Syndrome?

In the mid-1950s Marthe Gautier, a young French doctor and cytogenetics researcher, led a cutting-edge experiment to investigate the cause of Down syndrome. She painstakingly cultured cells in a ramshackle lab until one day she discovered an extra chromosome in…

Iron Dome for America: How would it work?

The Trump administration’s Iron Dome for America executive order is causing political ripples, but with the US Missile Defense Agency (MDA) soliciting industry input on the concept, how would such a comprehensive missile defense system work? Since the mid-1960s, the…