Professor Adam Summers is a "fish guy." He uses fish to get engineering ideas. His latest project is to CT scan every type of fish — all 33,000 of them.
The National Museum of African American History and Culture's founding director Lonnie Bunch talks about a new book that features photos from the museum's collection....
Republican speechwriter Mary Kate Cary, Democratic speechwriter Jeff Nussbaum and historian from the University of Virginia Barbara Perry dissect the last two weeks...