Learn about an easy trick for making needles less painful; how ancient Mayans used zeolite to filter water more than 2,000 years ago; and the story behind moonmoons, the hilarious name astronomers have proposed for moons that orbit other moons.

Learn how parents can get smarter about making big decisions, with author Emily Oster; and electron-capture supernovas.

Learn about how babies' random choices become their preferences, why modern agriculture requires “migratory beekeeping” —  basically, taking honeybees on road trips, and four of the world’s weirdest weather phenomena.

Learn about why criminal profiling doesn’t seem to work in real life; planets with oceans of molten rock that basically eat the sky; and superhuman red blood cells that could be used to deliver life-saving drugs.

In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes:

Learn how moons can have their own moons called moonmoons; how to tell whether you’re a forgiving person; and why you get sick when the seasons change.

Learn about the weird reason why revolving doors were invented; why people who can admit what they don’t know tend to know more; and why a thought experiment called the trolley problem may be more relevant than ever.

Learn why coffee tastes bad when you reheat it; and how researchers found the ancestor of most living animals. Stand-up mathematician Matt Parker will also explain why the word “null” causes so many problems for computer programmers.

Learn how you can change your thinking to keep up with today’s fast-paced world, with some help from author Leonard Mlodinow. Plus: learn about the two criteria people use to judge you, and how you can measure your relationship with time.

Learn about how plants could help us solve the superbug crisis; and how engineers set a world record for internet speed.

Learn how to sniff out fake news with help from machine learning from MIT; how you can improve your to-do list with a “don’t-do” list; and how to maximize your creativity with a simple change in your morning routine.

Learn about why you’re almost completely made up of empty space; what defines a second of time; and where you can watch the Lyrid meteor shower this Tuesday.

Get a glimpse of this super secretive fish's mating ritual.

Learn about whether it’s better to be a big fish in a small pond or a small fish in a big pond, a mysterious, ancient city called Cahokia that’s, weirdly, just outside St. Louis, and how AI might be able to catch heart disease with a selfie.

Learn about an upcoming solar sail launch to test solar propulsion; why the tongue map you learned about in school is all wrong; and new research that says debating politics online may not be a total waste.