Learn about why small talk is important for coworkers during the workday; why gossip is actually pretty good for you; and how some frogs survive the winter by literally becoming “frogcicles.”

Learn about breakthrough research into what our brains do while we sleep; how plants fight back when they hear they’re being eaten; and why the Y2K bug is actually what a well-handled crisis looks like afterward.

Learn how a newly detected methane spike on Mars may change our understanding of the red planet; and how you can participate in a new research study on game transfer phenomena, with researcher Angelica Ortiz de Gortari.

Learn why the Michelson-Morley Experiment is the most famous failed experiment in history; how to tell if you’re a covert narcissist; and the Monty Hall Problem, which is a probability puzzle that might break your brain.

Learn why puppies really do love your “who’s a good boy?” voice. You’ll also learn about small changes you can make in your daily routine to help us clean up the world’s oceans, with help from special guest Will McCallum.

Learn about whether taking a bath actually gets you clean; “dark DNA,” the genetic code that should be there, but isn’t; and why married couples used to sleep in twin beds.

Learn about how rats might not have been all to blame for the bubonic plagues and why we’re more prone to mindlessly eat while we multitask.

Rusty nails won't give you tetanus, but find out what does.

Learn about why there could be planets even more habitable than Earth; an online class that boosted grades by changing students’ beliefs; and why optimism may lead to better sleep.

Learn about what the “frenemy effect” can teach us about bullying; the surprising ability of marmosets to eavesdrop on each others’ conversations; and why April Fool’s Day may have originated from an out-of-date calendar.

There's been a vast diversity of life that has existed is now extinct.

Learn about how screeching tape travels at supersonic speeds when you peel it; how Americans are aging more slowly than ever; how the HAMMER spacecraft could save our planet from killer asteroids; and why there are mirrors next to elevators.

Learn about why you probably like talking to strangers more than you think (and why you should do it more often); how to discover your personal strengths; and the words with the most definitions in the English language, according to The Guinness Book of Records.

Learn about how the Toxo parasite manipulates mice to get into cats; how the trial by fire was a surprisingly accurate test of guilt; and a trick for figuring out how to spend your money that’s easier than budgeting.

Learn about why metals, fruit, and vegetables spark in the microwave, and the 1-3-5 method for arranging your to-do list. Plus, hear a couple lesser-known stories from the 20th-century space race between the U.S. and the Soviet Union, with some help from a special guest, Dr. David Warmflash.