In 1904. Andrew Carnegie donated millions of dollars to recognize heroes in the U.S. and Canada. Scott Pelley meets some of the recipients of the Carnegie Hero medal and finds out what neuroscience is revealing about their brains. Russia's attack on Ukraine is affecting every industry, including ballet companies in both countries. Jon Wertheim speaks with dance exiles and hears the difficulties they have faced. Freeride skiing is no easy feat. Instead of following runs that avoid obstacles, you ski towards obstacles. 15-year-old Jacob Smith is a freerider and is legally blind. Sharyn Alfonsi meets Smith to learn how he completes these treacherous runs.