On today’s podcast, how long has there been coffee?; Dubai’s airport records record rainfall; Bots make up nearly half of internet traffic followed by a discussion about protecting against the effects of bad bots; then, autumn fun on Lesson of the Day.

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.