Can AI help prove that Steven Wadlow's portrait is indeed Shakespeare himself? Stream “Picturing Shakespeare” from Secrets of the Dead now on the PBS app! | PBS

WATCH: Michael Wara of Stanford University says that Texas’ energy grid outages are “a traditional power plant problem, not a clean energy problem,” despite what critics have said about the shift to more renewable sources. | PBS NewsHour

"Getting old is a state of mind." 91-year-old Flossie Lewis is a former English teacher who now lives at the Piedmont Gardens Senior Living Community in the Bay Area. In her spare time, Lewis writes 'light verse' for her local newspaper. She offers her #BriefButSpectacular take on what it feels like to grow old. View more videos from our Brief But Spectacular series: bit.ly/briefbutspectacular | PBS NewsHour