The deepest hole we've ever been able to dig is just 0.2 percent of the way to the center of the Earth. What would we encounter if we could drill all the way? Correction: We mislabeled these! These are ammonite fossils, not trilobite...

When it comes to things that affect sperm counts, there's a lot of rumors out there. Anything from diet and exercise to choice in underwear and even how you sit are all debated as possible behaviors that can cause an individual to...

A decade after Vantablack took the internet by storm, where are we in terms of the blackest black? It turns out Vantablack doesn't hold the record, anymore. So what have scientists done differently? Hosted by: Savannah Geary (they/them)

The Vikings were renowned navigators at a time before magnetic compasses were invented. So how'd they manage it? Their secret may have been these pretty-pointed crystals of calcite called Iceland spar, and this month's SciShow Rocks Box...

Whether you're an amateur sommelier or just a fan of the occasional glass, if you drink wine, you've heard of rules on how to pair it with food. But how many of those actually hold up? Let's get into the details of the best ways to pair...

Astronomers have two main ways to calculate how fast the universe is expanding. Unfortunately, they don't agree with one another. The JWST was supposed to help solve this discrepancy, known as "The Hubble Tension" or "The Crisis in...

There's a rare material called Darwin Glass that Tasmanian Aboriginals have prized for centuries. And while it took Western researchers a while to figure out what it was and where it came from, once they got their heads around it, they...

If you've ever watched a video of someone doing some crazy parkour daredevil stuff, you might have wondered how they're still in the gene pool. But it turns out that all that dangerous behavior may be a pretty good thing after all, and...

Whether you’re trying to play Dungeons and Dragons or one of the many other TTRPGs out there, there’s a good chance your last campaign failed because there were simply too many adventurers in the party. And by "too many" I mean, like,...

Sometimes, an ancient document is lost to history. Sometimes, you find it covered in mold and written over by an ancient scribe. Fortunately, thanks to science, lost doesn't quite mean what it used to. Hosted by: Stefan Chin (he/him)

You've heard of Pompeii and the volcano that wiped it out, but how much do you REALLY know about this incredibly famous place? Turns out there are a lot of mysteries that researchers are still studying, from the timing and causes of the...

Hollywood (and other fictional media) loves to show people dying in outer space. And it has several go-to causes of death, on a sliding scale of accuracy. But it turns out, reality has some ways to kill you that are far stranger than...

Do you dream in color? For part of the 20th century, it was so rare, psychologists thought it meant something was wrong with you. For a generation, people dreamed in black and white, and TV might be to blame. Hosted by: Savannah Geary...

Sometimes, humans invent a technology that changes the game. From ancient hand axes to gunpowder, here are 6 weapons that changed the course of human history. Hosted by: Reid Reimers (he/him)

Have you ever heard of the Emu War? It was a hilariously disastrous attempt at wild animal population control, and while you'd think that humans would have gotten better at that sort of thing in the last hundred-ish years, that doesn't...

Because periods are inconvenient, many women are choosing to end them entirely with hormonal birth control. This episode explores the research on its safety. Hosted by: Hank Green (he/him)

Companies are putting CBD in just about every kind of product imaginable these days. Which ones actually work? Hosted by: Niba @NotesByNiba

In the desert of Peru, hundreds of enormous ancient drawings are carved into the dirt. They're called the Nazca Lines, and archeologists are still arguing over what they mean. Hosted by: Niba @NotesbyNiba (she/her)

It's no secret that some people are bad at their jobs. But when those people are scientists, and their jobs are to publish papers about their work, well... Sometimes, bad papers hit the presses. These are a few stories about particularly...

Batagay (aka Batagaika) Crater goes by many names. Scientists call it a retrogressive thaw megaslump; the internet may know it best as the Doorway to the Underworld. And since it opened up in the Siberian permafrost over half a century...

Nausea and vomiting of pregnancy, better known as morning sickness, affects roughly 7 in 10 pregnant people. Scientists have spent decades hunting for the primary cause, and they seem to have finally found it: a hormone called GDF15....

Most of the research on psychedelic drugs is focused on their therapeutic potential. But some studies have investigated a different consequence of these chemicals: bad trips. Hosted by: Jaida Elcock (she/her)

You may have heard that redheads need less pain medicine, or that they need more anesthesia in surgeries. And both of those things are true! Which is weird. Let's talk about some of the stuff we know about what the heck hair color has to...

For everyone out there trying to live sustainably, you might also want to consider the best way for your loved ones to dispose of your body after you're gone. Is a green burial best? What about human composting (where it's legal)? And...