100 Year Orbit, Blood Test for Alzheimer's, Lesson of the DAy

Ashley Thompson and Mario Ritter host today's Learning English show. 0:52 First: Astronomers say they have observed a new exoplanet that occupies a different position in its system than normal. One surprising finding was that the exoplanet takes at least 100 years to orbit its star. Bryan Lynn has the details. https://learningenglish.voanews.com/a... 7:30 Next: New blood tests could help to identify, or diagnose, Alzheimer’s disease faster and with more accuracy, researchers reported recently. However, some of the tests for the brain-wasting disease appear to work better than others. Caty Weaver and John Russell report. Then Ashley welcomes John to the studio. She asks him about the current testing doctors use to diagnose Alzheimer's. John explains more about these procedures, including spinal taps and other evaluative measures. https://learningenglish.voanews.com/a... 17:26 Finally: The LE Lesson of the Day. Andrew Smith and Jill Robbins base their instruction on the LE video series Let's Learn English. Today they review episode 28 in Level Two of the series. This episode is "one for the birds!" Learn about expressions "supposed to" and "ought to," and lots more! Ashley and Mario close the show. Learning English is Voice of America’s multimedia source of news and information for millions of English learners worldwide. We help you build vocabulary, strengthen your speaking skills and improve your ability to communicate for work, school and everyday life. We are not accepting comments here. You are welcome to comment on the stories at our website. EXPLORE OUR PLAYLISTS: » Learning English Podcast:    • Learning English Podcast   » Let's Learn English with Anna! (For children 8-12)    • Let's Learn English with Anna   » Let's Learn English Level 1    • Let's Learn English   » Let's Learn English Level 2    • Let's Learn English Level 2   » VISIT OUR WEBSITE: https://learningenglish.voanews.com » LIKE OUR FACEBOOK PAGE:   / voalearningenglish   » FOLLOW US ON INSTAGRAM:   / voalearningenglish   » FOLLOW US ON TWITTER:   / voalearnenglish   » SUBSCRIBE TO OUR PODCAST ON ITUNES: https://itunes.apple.com/us/podcast/v... Voice of America (VOA) is the largest U.S. international broadcaster, providing news and information in more than 40 languages to an estimated weekly audience of 326 million people.