A Finnish computer scientist had a dream that a blackbird was speaking to her in human language. So she devised a computer program to transform the sounds of the human voice into birdsong.

NPR's Mary Louise Kelly speaks with Roya Rahmani, Afghanistan's ambassador to the U.S., about President Biden's decision to withdraw all remaining troops from Afghanistan by September of this year.

NPR's Ailsa Chang speaks with the Rev. Al Sharpton about his take, as a longtime activist, on the Chauvin trial and what he's hearing from George Floyd's family and legal team.

NPR's Ari Shapiro talks with historian Jules Gill-Peterson about the history of trans children in medicine and why the current slate of local anti-trans legislation is focused on minors.

Sunday's anniversary of the day marchers were beaten by police in Selma, Ala., will honor the late civil rights icon. Some 56 years later, former state Sen. Hank Sanders says his work isn't done.

Halloween each year brings a cauldron of unpleasantness for people of color — and a surge of questions to our inbox. To get through it all, we put together the official Code Switch Guide to Halloween.