On today’s podcast, the University of Maine builds the largest 3D printer; researchers say American need more sleep followed by a discussion on the term ‘responding’ ; five tips to get better sleep; then, intonation and question words on Lesson of the Day.

On today’s podcast, a special essay about the Ukrainian town of Berdychiv; NASA has discovered methane coming from an area on Mars followed by a discussion about why scientists are interested in the gas; then, find out about English homophones on Lesson of the Day.

On today’s podcast, a new ‘pillbot’ can look inside the human body; a study says nearly half of China’s cities are sinking; U.S. universities are conflicted over student protests and student safety; then, expressions about telling the hard truth followed by a chat on not ‘pulling punches.’

On today’s podcast, the World Health Organization redefines ‘spread through the air’ for diseases; AI used to mix coffee in Finland; all about ‘young’ and ‘younger’ followed by a discussion on ‘younger than’; then, part one of ‘A Princess of Mars’ by Edgar Rice Burroughs on American Stories.

On today’s podcast, what happened when India banned video sharing service TikTok?; state lawmakers aim to make it harder to object to books in public libraries; indigenous Brazilians are unsure about oil drilling plan; where does ‘million’ come from? followed by a discussion on Everyday Grammar.

On today’s podcast, German researchers say climate change will cut everyone’s pay by 19 percent; GPS signals are being interfered with in combat areas followed by a discussion about the danger to civilian aircraft; then, ‘should,’ ‘ought to’ on Lesson of the Day.

On today’s podcast, the United Nations wants a treaty that controls plastics manufacturing to fight pollution; a program in Senegal puts deaf student with hearing students followed by a discussion about the term ‘opportunity’; then, ‘extinction’ on Lesson of the Day.

On today’s podcast, 2023 was a record year for wind energy projects; April is a big gardening month in the norther half of the world followed by a discussion about the Northern and Southern Hemispheres; then shortened forms and an unusual festival on Lesson of the Day.

On today’s podcast, scientists discover a huge, ancient snake in India; April 22 marks another Earth Day; NASA thinks about controlling spending on a major Mars mission followed by a discussion about the U.S. space agency’s plans; then, talking about food trucks on Lesson of the Day.

On today’s podcast, astronomers find a new black hole in our Milky Way Galaxy; a father-daughter fossil hunting team unearths an ancient ocean reptile; activists want more African students in U.S. colleges followed by a discussion about study visas; then, expressions for good and bad days.