In order to have a meaningful conversation about the dangers of radiation exposure, it’s important to be clear about just how much radiation we are dealing with.
Science
A little over a decade ago, a neuroscientist found “significant activation” in the neural tissue of a dead fish. While it didn’t prove the existence of zombie fish, it did …
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Because exercise isn’t essential for short-term survival, we don’t …
Adding the wrong fruits to your gelatin can turn it into a big, goopy mess. But understanding why this happens can help you learn how to make better desserts, …
Go to https://NordVPN.com/scishow and use code SCISHOW to get 75% off a 3 year plan. Protect yourself online today! Usually when we think about animals …
Until now, researchers have assumed that healthy cells switch off the enzyme telomerase as a way to protect themselves from turning cancerous. But a new …
Brit Garner is here to give Hank a breakdown of the May 2019 preview of the IPBES report, and Jessi from Animal Wonders brings along Kizmit, the African …
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Ditches and drain pipes help crops survive but can negatively impact …
A common misconception is that evolution is a long chain of progress, where organisms gain cool, new features over time. However, if a trait doesn’t help with …
Some people say that buying an electric car is a great way to fight climate change – but if they use electricity that is made by burning fossil fuels, are they really …
Thanks to LEGO City Space for helping us envision life on Mars! Go to http://lego.build/CITYSpace to start your next space adventure. If we ever want to live, …
You might have heard that you should use a back-up method of protection if you’re taking birth control pills and antibiotics at the same time. Turns out, you might …
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ The decisions we make while we browse the internet are suprisingly …
Snakes aren’t just muscle-y danger noodles. They’re extremely diverse, and some have really weird, unique adaptations that we could all probably appreciate a …
We’ve made a lot of progress recently in curing two deadly diseases that have been difficult to treat! Hosted by: Hank Green SciShow has a spinoff podcast!
This video was sponsored by Battle for Cattle. Play the game online at https://battleforcattle.com or download it for iOS in Apple’s App Store and Android in …
You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that! Check out Journey to the …
SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. If you’ve ever noticed that being sick …
Go to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription. For most living …
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Observing the effects of microbes using satellites can give us all sorts …
Go to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium subscription. The Atlantic Ocean …
Go to http://Brilliant.org/SciShow to try their Beautiful Geometry course. The first 200 subscribers get 20% off an annual Premium subscription. Warning!
This week in news, a discovery in genetics that was once thought unbelievable, and a parrot so large that it shakes up what we know about avian evolution.
Hydrologist Casey Ryan explains how he studies water on the Flathead Indian Reservation and Jessi from Animal Wonders brings in Huckleberry the beaver, …
During most of the past 2 million years or so, there were several species of hominins on Earth at any given time. Like, you might be familiar with our famous …
Go to http://CuriosityStream.com/SciShow to start streaming Animal Builders. Use the promo code ‘scishow’ during the sign-up process to get your first 31 days …
American chestnut trees were all over the US at the end of the 19th century until the fungus wiped most of them out. Scientists have been trying to figure out ways …
The DNA inside our cells almost exclusively twists in one direction, but the reason for this might be out of this world! Hosted by: Michael Aranda SciShow has a …
You might have been one of those lucky people that had a microscope to tinker with as a kid. But if you missed out on that, it’s not too late! If you’re interested in …
Go to https://NordVPN.com/scishow and use code SCISHOW to get 75% off a 3 year plan. Protect yourself online today! Plants may not seem like they live the …
Sure, throwing grease down the drain is not great for the pluming in your home, but it can actually cause problems on a much bigger scale in the form of FOGs …
Aquatic cyanobacteria first oxygenated earth’s air, making human life possible; now, due to our actions, cyanobacteria are madly blooming once more, poisoning …
You might not think much of your tongue, but without it, we may have never conquered dry land and the world as we know it. Hosted by: Michael Aranda …
Illness is complicated, and today we take a look at new research that points to two diseases, anorexia and dementia, that both may be more related to genetics …
The event that killed the dinosaurs 66 million years ago might be the most famous mass extinction ever, but it’s not the only one in Earth’s history, nor is it the …
Paruresis or “Shy Bladder Syndrome” is the inability to pee in public. If this sounds like you, have hope; it’s super treatable! Hosted by: Stefan Chin SciShow has …
Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ The technology we use to keep cool is heating the world in a vicious …
Sometimes, a species has declined so dramatically that they require serious human intervention to ensure they don’t disappear forever. Here are six ways we’re …
Thermometers might seem like a basic instrument, but science would not be the same without them, and they helped us understand one of the most important …
Today Hank talks with Vanessa Hill of BrainCraft about being an educational YouTuber, and how to use science to be better, and Jessi brings Cayenne the …
Making a faster plane takes more than building better engines and structures. To go supersonic, engineers had to solve hundreds of problems — including …
Some people might bemoan the inevitable onset of the meat sweats after a particularly meaty meal, but this phenomenon may not be as inevitable—or real—as …
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How do you track turtles that spend most of their time in muddy water and also look like rocks? It turns out, scientists have found a way to track such hidden …
When you were a kid, one of your friends probably told you that if you sneezed with your eyes open, your eyeballs would pop out of your head. But that can’t …