Scientists head to Chicago to set 'Doomsday Clock'

The Bulletin of the Atomic Scientists was founded at the University of Chicago to warn the public about the dangers of nuclear technology. The nonprofit now focuses on initiatives like climate change and other new technologies like AI.

Athletes race up Willis Tower for good cause

Athletes climbed over 100 flights of stairs at the Willis Tower for a good cause Sunday. SkyRise Chicago has raised money for the Shirley Ryan AbilityLab for the past 16 years.