 Former New York City Mayor Rudy Giuliani will be in bankruptcy court later today, a day after he was disbarred in New York for lying about the 2020 presidential election. We've learned something new about ants. They can do much more than just march. They can perform surgery. Research in the journal Current Biology says when one ant has a leg injury, the other ants will clean the wound or if they have to amputate the leg. The only other species that does that is humans. I'm Sherry Preston, ABC News.