Learn about which sleep trackers are actually accurate; how important closure is for a life transition; and why mirrors flip horizontally, but not vertically.

Learn about why your body doesn’t actually replace itself every 7 years; whether you should worry more about having money or making money; and, why the difference between kill and no-kill animal shelters isn’t as simple as you might think.

Learn about nose and throat bacteria that might make you less likely to get the flu; the red juice in your steak dinner, which is actually not blood; and how encryption works, as well as why quantum computing could break it.

James Nestor, science journalist and author of the book "Breath: The New Science of a Lost Art,” explains how you might be breathing wrong. Plus: learn about the surprising way spiders spin their webs in zero gravity.

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 about why hand dryers are blowing bacteria all over your hands; body parts you probably don’t know you have; what different colors mean around the world; and whether it’s possible to lose your foreign accent.

Learn how to turn the table on addictive apps; and how black holes can make us see multiple versions of the same thing.

Learn about psychological ownership; why cats love boxes; and how researchers—and AI—finished Beethoven’s 10th symphony.

Grieving customs aren't just limited to humans.

Learn about what the first cities looked like — and why humans built them — from author Monica L. Smith, an archaeologist and professor in the department of anthropology at UCLA. Then, learn what makes pedestrians run into each other.

Learn about how scientists came up with a thousand questions that stump computers; what happened to the ghost ship Mary Celeste; and why a warm bath can help you sleep better.

Learn about why it might actually be pretty easy to drink an elephant under the table; how carrier pigeons like Cher Ami helped win the world wars; and why night owls may have worse emotion regulation than morning people.

Learn how mammals breathe through their butts; how babies remember their birth language; and your reflection in a spoon.

Are worms really an invasive pest outside of the garden?

Learn how people survive plane crashes; why and how your spleen can multiply into accessory spleens; and why people still use fax machines.