Does the US government have a secret internet? Who's out there flying drones at night? How can we explain sonic booms and sky trumpets? All this and more in this week's listener mail. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/ See omnystudio.com/listener for privacy information.