Test how well you can tell real laughter from fake laughter; learn how scientists used a video game to teach children empathy; and learn what causes eye, hand, and foot dominance.

Learn about whether it’s a good idea to rub dirt on your wounds; how funny memes can help save endangered species like the proboscis monkey; and how space travel changes the shape of astronauts’ hearts.

Learn how important it really is to refuel right after a workout; and, why it’s important to learn about the chemicals in tattoo ink. We’ll also discuss a listener question about egg entropy with a special guest, Ralph Crewe from the podcast Science, News, and Q’s.

Learn about some of the weirdest types of lightning; why nobody’s been able to solve the traveling salesman problem; and why it’s easier to spot a lie on a podcast or radio show than it is in other media.

Learn why the concept of zero is newer than you might think, how you can worry more productively, and why the Earth’s atmosphere might be rusting the moon.

Humans eat just like every other living creature. Have you ever wondered what drives us to binge eat, or spend too much time at the grocery store? And how does the food we eat impact us emotionally? We talk to Dr. Rachel Herz, author of "Why You Eat What You Eat: The Science Behind Our Relationship with Food," about the surprising science of food in our daily lives.

Learn about how many megapixels your eye can see; some of the coolest airport activities you can find during your next layover; and the research-backed WOOP method for working toward and achieving your goals.

Learn about a new discovery about STEVE, the weird streak of color in the Canadian skies; how a “wind phone” in Otsuchi, Japan, helped thousands cope with grief after losing their loved ones; and why we judge others more harshly than we judge ourselves.

Learn about imaginary beams of motion coming from people’s eyes; where lost luggage ends up; and octopus sleep cycles.

Learn about what your muscles go through when they get pulled, whether trees have heartbeats, and the real science behind the recovering alcoholics’ mantra “one day at a time.”

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

Learn about EMD Performance Materials; why packaging innovation is a vital component in developing new technologies; and what it takes from a business standpoint to change the way we interact with computers and other devices in our daily lives.

Learn about 4 up-and-coming batteries that could overtake lithium-ion; how microsleep happens without you even knowing it; and what you’re getting wrong about CRISPR gene editing technology, and how to get smart about it — with a little help from Minu Prabhune of Synthego.

Writer, producer, and “Flash Forward” podcast host Rose Eveleth explains why so many technology breakthroughs never pan out. Then, learn about real-life giant sand worms and why the Baader-Meinhof Phenomenon makes you notice some things more than others.

Learn about the treadmill’s torture device origins. Then, author Melanie Peffer explains why biology is everywhere.