On this episode of The Best of Our Knowledge: Scientists have used artificial intelligence to decode brainwave patterns and reconstruct music – and rock band Pink Floyd is playing a part.  In an age of increasing political polarization, a new initiative at Bard College aims to develop critical reading and writing skills through its new Center for Ethics and Writing.  Massachusetts lawmakers want to prevent book bans at public libraries.  And a museum and science center in New York is repatriating Indigenous remains that had been part of its collection.