Learn why fragrance-free is NOT the same as unscented, and how a cow named Cosmo was genetically edited so he’ll have more male offspring.

Learn about why cancer is stranger than we think and how scientists have “teleported” the behavior of real fish into robot fish.

The human body is constantly renewing itself.

Learn about how we may have found dark energy; a prehistoric coelacanth return; and a trick for getting what you want.

Learn about the perception-adoption model, which says that most parents don’t pass their political ideology to their kids; how researchers found the source of peanut allergies in the human gut; and Olbers’ Paradox, which asks why the night sky is so dark if stars are so bright

Learn about how we preserve analog and digital audio (and other media) with special guest Damon Krukowski, who is a musician, writer, and author of the new book “Ways of Hearing.” We’ll also answer a listener question about why quickly rotating objects seem to rotate in the opposite direction.

Learn about the surprising power behind our need to feel socially connected, with guest Vivian Zayas, Director of the Personality, Attachment, and Control Laboratory at Cornell University. Plus, learn about how to make your commute a little happier.

This underwater brine pool in the Gulf of Mexico is no vacation spot.

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

Learn what environmental cardiology has taught us about how we should live, with help from Dr. Aruni Bhatnagar. Then, you’ll learn about the world’s first 3D-printed nuclear reactor core; and why spaghetti always breaks in three.

Learn how humans can beat artificial intelligence by tapping into the wisdom of swarms (with some help from Dr. Louis Rosenberg, CEO of Unanimous AI). Plus: learn about what came before the Big Bang, and get a 5-minute hack for beating procrastination.

Learn about the real effects of FOMO, and how you can measure your fear of missing out; the story of Anatoli Bugorski, a Russian scientist who put his head inside a particle accelerator and survived; and the Japanese “Cat Island” of Tashirojima, where there are more cats than people.

Learn about the likelihood that we all live in a computer simulation. Then, author Thomas Kostigen explains how geoengineering might help cool the planet and save the world.

A landslide a century ago created this bizarre scenery.

It's pretty dangerous to stay awake for days and weeks on end.