SciShow
The Most Poisonous Paints Ever
People have been trying to make the prettiest colors we can for thousands of years. And sometimes, we've even used poison to do it. From lead white to arsenic Scheele's green and cobalt violet, here are just a few of the most toxic...
SciShow
The Birds That Eat Fire
Plenty of animals do things that seem risky, but they clearly have a good reason for doing it. After all, they've made it this far by taking chances. But these birds really take the cake when it comes to daredevil stunts, all in the name...
SciShow
Mad Cow Disease Mostly Infects Teenagers
When variant Creutzfeldt-Jakob disease, AKA mad cow disease, first emerged, researchers noticed a weird trend in exactly who got sick. Mot patients were diagnosed in their twenties, which would mean they got infected in their teens. Over...
SciShow
Which Essential Oils Actually Work?
Whether it's lavender aromatherapy to sleep better or a peppermint oil pill for your irritable bowel syndrome, essential oils have a lot of proposed therapeutic uses. Here's where the research stands on those and others like bergamot oil...
SciShow
Why We've Only Cured HIV Seven Times
As of 2024, exactly seven people have been cured of HIV, most recently the "next Berlin patient." Why aren't we sharing this cure with everyone living with HIV? It's complicated. Hosted by: Reid Reimers (he/him)
SciShow
The 10 Weirdest Ways Animals Have Sex
Humans may think we have the market cornered on bizarre sexual acts, but the animal kingdom has come up with some mating rituals that put us to shame. Hosted by: Hank Green
SciShow
We All Have Synesthesia
Do you taste something bitter when you hear the right word? Maybe you see a flash of a certain color instead. If so, you might have synesthesia. But it turns out, we're ALL capable of having different senses interact with one another in...
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The Top 10 Space Pictures of 2024 (and What They Mean)
Let's say goodbye to 2024 by highlighting some amazing space images that were released this year. They aren't just pretty — astronomers can actually study them to learn more about the universe! Hosted by: Niba Audrey @NotesbyNiba (she/her)
SciShow
These Are The Coolest Fossils From 2024
From a fancy-frilled ceratopsian to a possible new biggest snake ever and something called a giga goose, there were some pretty amazing giant fossils announced in 2024. Plus, Kallie from our sister channel Eons reminds us to give some...
SciShow
What Would Happen If We Just Kept Digging?
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...
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Does Underwear Affect Sperm Counts?
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...
SciShow
The Hunt for the Blackest Black
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)
SciShow
Did Vikings Use These Crystals To Navigate?
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...
SciShow
Does Red Wine Really Go with Steak?
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...
SciShow
JWST Made a Cosmological Crisis Worse
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...
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How Ancient Glass Could Transport Life Between Planets
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...
SciShow
Sound DOES Travel in Space (and 10 Other Space Things You Got Wrong)
No, technically Earth doesn't orbit the Sun. Yes, technically sound can travel through space. Over the years we've built up a lot of myths and misconceptions about astronomy. But of course some are more flat-out false than others. Hosted...
SciShow
Thrill Seeking is Genetic (And Good For Humanity)
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...
SciShow
Your DnD Party is Too Big
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,...
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How Science Solved The Mysteries of The Dead Sea Scrolls (and 3 Other Ancient Texts)
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)
SciShow
10 Things You Didn't Know About Pompeii
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...
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The Mysterious Disappearance of 10 Billion Alaskan Crabs
In 2021, researchers reported a shocking disappearance in the Bering Sea. Not of people, but of Alaskan snow crabs. And it's taken scientists years to understand how tens of billions of crabs disappeared all at once, so let's take you...
SciShow
No, Space Doesn’t Kill You Like That
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...
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NASA's Most Controversial Rock
In the mid-1990s, a meteorite with the unmemorable name ALH84001 became the most famous rock in the world. Because one team of scientists proposed that it had the evidence of real, if microscopic, Martians. Hosted by: Reid Reimers (he/him)