On today’s podcast, a special essay explores what it is like in Kyiv, Ukraine; a company plans to test a device that links directly to the human brain; school librarians worry about banned books followed by a discussion about obscenity; then ‘complain’ on Lesson of the Day.

On today’s podcast, China and the U.S. are competing in drone technology; a study finds limited cancer drugs with special approval have limited success followed by a discussion on accelerated approval; then words like ‘hafta’’ and ‘everybody’ on Lesson of the Day.