On today’s podcast, learn about inventor Philo Farnsworth on our new All About America series; researchers in Michigan are trying to improve the apple tree; find out how to avoid dementia in middle age; then, how to sound like a native speaker when asking questions on Lesson of the Day.

On today’s podcast, learn why Gettysburg is an important place in America; scientists release new research on two huge valleys on the far side of the moon; find out what a ‘power couple’ is; then, all about homophones on Lesson of the Day.

On today’s podcast, learn why Gettysburg is an important place in America; scientists release new research on two huge valleys on the far side of the moon; find out what a ‘power couple’ is; then, all about homophones on Lesson of the Day.

On today’s podcast, find out about this year’s Super Bowl and the game’s history; learn all about intransitive verb structures common in academic writing; how to use ‘regard’ and ‘regardless;’ then, part two of 'The Fall of the House of Usher,' by Edgar Allan Poe on American Stories.

On today’s podcast, find out about this year’s Super Bowl and the game’s history; learn all about intransitive verb structures common in academic writing; how to use ‘regard’ and ‘regardless;’ then, part two of 'The Fall of the House of Usher,' by Edgar Allan Poe on American Stories.

On today’s podcast, Japan successfully launches a positioning satellite adding to its system; India says its tiger population has doubled in 12 years; a private company tests a supersonic plane; and ‘should’ and ‘ought to’ on Lesson of the Day.

On today’s podcast, the world’s biggest iceberg might crash into a South Atlantic island; Taiwan aims to destroy invasive lizards; learn how to write effective emails; then, reduced forms including ‘whaddaya call it’ on Lesson of the Day.

On today’s podcast, what are ‘chorus waves’ and why are they in space? A New York food bank gets a gift of thousands of live fish; a new treatment for high blood pressure targets the kidneys; then, talking about food trucks on Lesson of the Day.

On today’s podcast, escaped monkeys are returned to a South Carolina laboratory; what are “kitchen-table” issues? Studies find organic compounds in asteroid rocks; conflict hurts the environment around the Dead Sea; then, pumpkin spice on Lesson of the Day.

On today’s podcast, escaped monkeys are returned to a South Carolina laboratory; what are “kitchen-table” issues? Studies find organic compounds in asteroid rocks; conflict hurts the environment around the Dead Sea; then, pumpkin spice on Lesson of the Day.