There is a strong sense of distrust between Chicago police and some of the communities they serve. How does the city repair this relationship?
He's best known for having killed Pluto, but astronomer Mike Brown may have found a replacement planet in the outer reaches of our solar system and it forms the basis of a new Adler Planetarium show.
Caltech Astrophysicist Mike Brown was one of the scientists who, in 2006, led the successful crusade to get the former planet Pluto downgraded to the status of dwarf planet. He joins us to discuss what he's found far, far away in our solar system.