Economy Science This Week in Space: NASA’s Ingenuity Helicopter Hums Above Mars’ Surface By Yscien on Friday, May 14, 2021 NASA shares the sound of its Mars helicopter. Plus, space debris triggers a verbal sparring match, and an asteroid sample is heading to Earth. VOA’s Arash Arabasadi has This Week in Space.Producer: Arash Arabasadi. … TelegramWhatsAppPinterestFacebookMastodonNextdoorX Related Previous Post Next Post Related Posts Economy Science Shanghai, Tokyo, New York, Houston spew most greenhouse gas of world cities Economy Technology Australia’s plan to ban children from social media proves popular, problematic Economy A criticized Airbnb deal will let users play gladiator in Rome’s Colosseum