Johnny Mac shares five positive news stories to brighten your Memorial Day weekend. Highlights include a new AI tool called Face Age by Mass General Brigham that predicts biological age from selfies, Harvard Law School's discovery of a genuine Magna Carta, comedian Sebastian Fowler's 3,333-mile cross-country BMX ride for charity, the precision of a new atomic clock called NIST-F4, and the adventurous tale of a loose pet kangaroo named Irwin.  Get the show without ads. Five bucks.  For Apple users, hit the banner on your Apple podcasts app which says UNINTERRUPTED LISTENING. For Spotify or other players, visit<a href="http://caloroga.supportingcast.fm/" target="_blank"> caloroga.com/plus</a>.

Johnny Mac shares five positive news stories to brighten your Memorial Day weekend. Highlights include a new AI tool called Face Age by Mass General Brigham that predicts biological age from selfies, Harvard Law School's discovery of a genuine Magna...

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