SciShow
The Southern Hemisphere is Colder, Stormier, and... Cleaner?
You'd think that the Northern and Southern Hemispheres would be basically symmetrical -- that since our planet is a ball, the climate, temperature, and weather patterns would be the same on top as on the bottom. But there are some...
SciShow
Why Do People Like the Smell of Gasoline?
Why do we love the smell of something like gasoline that provides no clear evolutionary adaptation for us? Here are the psychological and chemical reasons that some researchers have suggested.
SciShow
These Animals Lost Their Stomachs. Why?
What do a platypus, a pufferfish, and a seahorse have in common? Why, they all managed to evolve themselves out of having a working stomach! The reasons why might vary, as well as how they manage to live their lives without them, but...
SciShow
Launching Rockets Mid-Air
If you picture a rocket launch, do you imagine it taking off from a hot air balloon? In this episode, we'll learn how using balloons to launch sounding rockets advanced our understanding of planet Earth, radiation, and how to keep...
SciShow
Is There A Wrong Way To Sit?
Sometimes called "W-sitting," this popular way for kids to plop in front of the TV has been stigmatized for decades. For most people, research indicates it's just fine. But a small percentage of W-sitters do have a problem.
SciShow
7 Butterflies That Could Beat You in a Fight
If there's one animal you'd think you can beat in a no-holds-barred cage match, it'd be a butterfly, right? Here are 7+ reasons you'd be wrong.
SciShow
Why Are Snorkels So Short?
Have you ever longed to swim while wielding a longer snorkel? Well, there are a few reasons why they might be shorter than you'd like.
SciShow
Most Planets Don't Orbit Stars!?
Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.
SciShow
How PET Scans See Cancer
When someone gets a PET scan to detect tumors and how far a cancer has spread, that machine is actually detecting sugar. Because cancer has a sweet tooth, and this phenomenon, called the Warburg effect, may help us develop new cancer...
SciShow
The WHO Says Diet Soda Causes Cancer. Does It?
The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...
SciShow
Why Are Champagne Bubbles So Tidy?
Have you ever noticed that the bubbles in your glass of Champagne are just.... fancier than other sparkling drinks? They form those lovely little columns of bubbles in a way that nothing else does - and it turns out there's some neat...
SciShow
Can Gray Hair Be Reversed?
Researchers have identified the processes that cause gray hair and have done experiments to reverse it. And believe it or not, we've had some of these options for decades.
SciShow
Were Long Necks Also Tall Necks?
Long-necked sauropod dinosaurs are some of the most striking animals that ever lived. But we don't know what they used their long necks for, and whether they held them high in the air or parallel to the ground. Here's what we do know.
SciShow
How to See Really Tiny Things Without Killing Them
Where would biology be without microscopes? But for a long time, in order to see the smallest bits of life, that life had to be dead. Then along came Atomic Force Microscopy, which let us observe things like DNA and proteins moving...
SciShow
Are We Making More Bermuda Triangles?
One reason the Bermuda Triangle has scared people for generations is the seaweed. And thanks to eutrophication and other human causes, that Sargassum seaweed is starting to travel the world. Here's how we're accidentally making more of...
SciShow
Why Can’t We Scoop All the Plastic Out of the Ocean?
Lots of people want to clean up the Great Pacific Garbage Patch, and plastics have a huge impact on ocean environments. But marine wildlife are already adapting to our plastic waste, which means cleaning it up isn't as simple as just......
SciShow
Why Can't I Grow More Teeth?
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.
SciShow
Why Are Saturn’s Rings Younger Than Saturn?
Saturn's rings are younger than Saturn, and the most spectacular sight in the Solar System is also disappearing. How do we know? By running our finger through some cosmic dust.
SciShow
Even Locusts Hate Plagues of Locusts
Plagues of locusts have been documented since ancient times, and they affect the food supply of one in ten people today. How can we stop them? Well, computer models of locusts swarms tell us every locust is scared to death of its neighbors.
SciShow
The Hunt For Green Helium
Despite being a noble gas, helium has a carbon footprint. We haven't managed to find any helium reservoirs that don't also contain natural gas. But must they? Scientists and startups alike are on the hunt.
SciShow
There's Water on...the Sun?
With an effective surface temperature of roughly 5,500 degrees Celsius, you might think water couldn't survive on the Sun. Well, scientists debated whether or not it was there for nearly a century, and it turns out, it can!
SciShow
Terran 1: The 3D Printed Rocket
Early this year, 3D printing showed off its space-age technology capabilities by printing most of a rocket that was launched into space.
SciShow
The Weirdest Things That Sneezing Can Do To You
Chances are, the worst thing that's happened to you because of a sneeze is a snot rocket. But for these people, sneezing caused anything from damaged ears to a broken neck! But in one case, a sneezing fit saved one woman from needing...
SciShow
Adorable Dolphin Kiddos Play Like Us
Whether it's solo or with a friend, young dolphins love to partake in a bit of play.