In the mid-2010s, researchers discovered something odd underneath Greenland - there was a giant hole under a glacier, and they had no idea what had caused it. More confusing still, other researchers were searching for the cause of a mini...

Naloxone, better known as Narcan, is today's gold standard to treat opioid overdose. But sometimes it comes up short against more potent opioids like fentanyl. So future treatments might take advantage of opioid receptor...

Six-foot millipedes? The biggest apes ever? And a kangaroo too big to hop? These are just a few of the biggest animals of their kinds to ever exist, and they're not just big, they're WEIRD. So let's talk about why Gigantopithecus went...

Some of your favorite mushroom recipes might use toxic ingredients! These are the top killers worldwide among fungi, from morels to webcaps. Hosted by: Hank Green (he/him)

Do humans have to die? What causes aging, and can we get around it? We'll talk about why we age and what kind of treatments can help us live longer. Hosted by: Niba @NotesbyNiba (she/her) Correction: Her last name is "Calment"

People have been making the connection between the moon's phases and the menstrual cycle for centuries. But when it comes to controlling periods, we may have been looking at the wrong thing in the sky. Hosted by: @NotesByNiba (she/her)

Everyone has that friend who loves records and insists that analog music is superior to digital. But is that true? Hosted by: Hank Green (he/him) Correction: Although this graphic can be found in many seemingly reputable sources, we've...

In this special episode, marine biologist Jaida Elcock (@sofishtication) joins Hank Green for a conversation all about fish! As our first SciShow Resident, Jaida spent the last 17 weeks writing and hosting a series of videos that will...

When it comes to major discoveries in paleontology, you usually picture a bunch of old professors in khaki digging in the desert. But when Ruby Reynolds discovered a truly groundbreaking ichthyosaur fossil that sheds light on what may be...

In the fight against diseases like cancers and blood disorders, sometimes we need to turn to unexpected allies. And in this case, one of those allies was a tiny little nanobody hiding inside of... camels. Hosted by: Savannah Geary...

mRNA vaccines stopped the COVID-19 pandemic in its tracks. Now, they're poised to help us against the flu, rabies, cancer, and more. Hosted by: Niba @NotesbyNiba (she/her)

We've learned a lot about Megalodon by studying its terrifying teeth. But we're just beginning to understand what made this ancient shark so huge. Hosted by: Jaida Elcock (she/her)

When ITER's tokamak finally comes online (as of July 2024, that's 2034 for its first round of research, and 2039 for deuterium-tritium fusion), it will become the world's biggest fusion reactor. But don't hold your breath for a green...

From steam engines, to contact lenses, to biometric security based on someone's voice, there are a lot of inventions out there that are older than you think. Hosted by: Hank Green (he/him)

If you've ever taken care of a baby, you might have heard that sleeping on the same bed with them, AKA co-sleeping, is a big no-no. But the research into the ins and outs of bed sharing is more complicated than you might think. Hosted...

It's no secret that people like pretty stuff, or that we like to make our worlds as pretty as possible. And for centuries, tons of people have used the mineral in this month's Rocks Box to paint the towns blue, so let's talk about some...

In 2022, humanity threw roughly 15 billion dollars of gold into the trash. That's because gold plays a small but significant role in our electronics. E-waste is a major issue these days, and scientists are hunting for better ways to...

If you ask your favorite search engine where Earth gets the most hail, it's likely to spit out Kericho. But can you use exploding rockets to suppress that hail? That's one question both companies and researchers tested out. Hosted by:...

There's a scientific reason most hand sanitizers claim they can kill 99.99 percent of germs, and there's only one way to deal with the rest. Correction: there is a typo in the credits. This episode was written by Roshni Bhatt Hosted by:...

Does childbirth increase your chance of breast cancer? Yes. But it also decreases it in the longterm ...depending on how old you are your first time around. It has to do with your hormones like estrogen and the damaged DNA in your cells....

Imagine you could remember everything that ever happened to you. Would it be a blessing, or a curse? Super rememberers, people with highly superior autobiographical memory or HSAM, have the answer -- and may also be able to tell us how...

Leeches are bloodsucking parasites, and you wouldn't think they're great at protecting other species. Yet for some conservationists, these little vampires are one of the best tools available for conserving endangered and threatened...

An asteroid nearly twice the size of the one that killed the dinosaurs left a record-setting crater in South Africa. If you look closely, you can still see it today, 2 billion years later. Hosted by: Jaida Elcock (She/her)

It's no secret that we need green energy solutions. But one often-overlooked part of that future is the need to store our green energy longer-term, so finding novel ways to store that energy is key. Enter: gravity batteries. Hosted by:...