SciShow
How NASA Gave Us a Better Mattress
New ReviewNASA scientists are said to have invented a lot of household items over the decades. Some, like Velcro, or Tang, or the first cordless power tools, are misattributions. But other claims are totally legit. And you probably own at least...
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The Most Important Explosion in History
New ReviewNot long after the supernova of 1604, the telescope was invented. But astronomers would have to wait nearly FOUR CENTURIES to witness the next supernova that was visible to the naked eye. It was 1987, and a blue supergiant in the Large...
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What Made This Huge Hole Under Greenland?
New ReviewIn 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...
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A Better Treatment for Overdose Is Coming
New ReviewNaloxone, 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...
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Six-Foot Long Millipedes?! And Other Fossil Giants
New ReviewSix-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...
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The 6 Deadliest Mushrooms
New ReviewSome 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)
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Do We Have to Die?
New ReviewDo 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"
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Does the Moon Control Your Period?
New ReviewPeople 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)
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Does Analog Music Really Sound Better Than Digital?
New ReviewEveryone 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...
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What is a Fish?
New ReviewIn 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...
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The Biggest Marine Reptile Ever (Was Found By An 11 Year Old)
New ReviewWhen 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...
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Why We Need Camels To Treat Cancer
New ReviewIn 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...
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For mRNA Vaccines, COVID Was Just the Beginning
New ReviewmRNA 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)
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Here’s the Reason Why Megalodon Got Mega
New ReviewWe'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)
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The World’s Biggest Fusion Reactor Doesn’t Do Anything
New ReviewWhen 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...
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6 Inventions That Are Older Than You Think
New ReviewFrom 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)
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Is Co-Sleeping REALLY Dangerous?
New ReviewIf 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...
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The Ocean Has Weather Too And It's Weird
New ReviewWeather may be something you associate with life on land, but the ocean has its own version of fronts and storms. Hosted by: Jaida Elcock (she/her)
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The Universe Has a Memory
New ReviewHey remember that time you waved at a stranger who was actually waving at someone behind you? The universe can, at least in its own way. If you thought gravitational waves were wild, just wait until you hear about this thing called...
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The Most Popular Blue in History (Was Ignored By Egypt)
New ReviewIt'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...
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We're About to Visit the Second Best Place for Life
New ReviewThis October, the launch window opens for NASA's Europa Clipper mission. When it arrives in the Jovian system, this spacecraft will probe the icy moon...and its ocean buried kilometers beneath the surface...for the ingredients of life as...
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We Threw Away $15 Billion in Gold Last Year
New ReviewIn 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...
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That Time Scientists Tried Stopping Hailstorms With Rockets
New ReviewIf 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:...
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We Solved The Mystery Of The Pyramids
New ReviewThe Pyramids of Giza have fascinated and confused us for hundreds of years, and while we know a lot about who built them and how they were made, one question that has remained is why they are where they are. And the answer to that...