In the 1940s, the first African American women entered NACA's “computing pools." Some later became managers or engineers at NASA, and all made crucial — but often little-known — contributions to the math that put Americans in space.
In her new book, "This is Your Brain on Parasites,” author Kathleen McAuliffe describes the numerous links between animals and parasites, how they've co-evolved, and how parasites may actually affect the behavior of humans and other animals.
Famed physicist Stephen Hawking gave a talk on one of his favorite subjects at the KTH Royal Institute of Technology in Sweden, recently. His talk was on black holes, and the ideas he’s suggesting are making headlines.