SciShow
Mind-controlling Parasites!
Hank introduces us to some freaky parasites that use mind control to hijack the brains of their hosts.
SciShow
Microscope: The Tube That Changed the World
Humans have long known that glass bends light. However, it took us awhile to figure out that stacking lenses in a tube would open up a whole new world to science, finally allowing us a peek at the microscopic.
SciShow
Liquid Water on Mars
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
SciShow
Is There Such a Thing As An Addictive Personality?
Some online quizzes would have you believe the idea that certain people have a specific “personality type”. But is an “addictive personality” a real thing?
SciShow
Is the Mystery of Earth's 1.2 Billion Missing Years Solved? | SciShow News
For the last hundred and fifty years or so, geologists have been trying to wrap their heads around the mystery: in some places, the geologic record just seems to jump by over billion years. And last week, a paper was published that may...
SciShow
How Washington Became a Ship Graveyard: A SciShow Field Trip #3
Olympic National Park is temporarily closed as Washington, the US, and the world work to mitigate the spread of the COVID-19 virus. We filmed this series in early January and are currently at home practicing social distancing. We hope...
SciShow
How the White House Killed Two Presidents
Working in the White House in the 1840s may have been more hazardous than we thought.
SciShow
How One Disease Changed What We Know About Medicine - Twice
Searching for a cure for rickets led to the discovery of vitamin D. Fortifying foods with vitamin D led to another disease, and a whole new way to view genetic disease in general.
SciShow
How Earth's Rotation Affects Our Oxygen | SciShow News
Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.
SciShow
How Dogs Can Smell When You're Stressed
Did you know that dogs can tell when you're stressed out? But how do they know? Turns out they can smell it! Join Hank for a new episode of SciShow and learn all about it! Hosted by: Hank Green (he/him)
SciShow
Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?
SciShow
9 of the Weirdest Sperm Adaptations
You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.
SciShow
9 Animals That Will Outlive Humans
Human beings will survive a long time—but due to amazing survival techniques, these 9 animal species will definitely live longer. Join Michael Aranda for a new episode of SciShow, and find out why these species will outlive us!
SciShow
5 Animals That Sleep Too Much (and One That Might Not Need To)
In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.
SciShow
Some Of You Can See The Invisible
We know that not everyone's vision is perfect, which is why some of us need glasses. But some people can also just see more stuff than others! From seeing UV and infrared light, to even having bonus color receptors in our eyes, there are...
SciShow
Our Entire Society is Built on a Geological Fluke
If a tree falls into the forest and doesn't decompose, what happens to it?
SciShow
Why These Squirrels Destroy Their Brains Every Winter
It seems like a terrible idea to destroy and rebuild your own brain, but that is exactly what some ground squirrels are doing all winter long.
SciShow
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
SciShow
Why HIV is No Longer a Death Sentence
The HIV & AIDS epidemic claimed countless lives in the 80s and 90s— and while it's still a devastating diagnosis, medical technology has made significant advancements in treating HIV. In the second video of our two-part series on HIV and...
SciShow
The Bizarre Evolution of Hemipenes (yes...hemipenes.)
Snakes have two penises (aka hemipenes) that come in a diverse array of shapes and sizes. And they could owe it all to their lack of legs.
SciShow
The Amazing and Delicate World of Bees
Yes, there is a chance they might sting you, but bees are incredibly vital to our ecosystem as we know it. Join Hank for a compilation of our favorite bee episodes—we know this one is a real stinger! We mean, zinger!
SciShow
Butt Chat? Why These Primates Communicate With Their Rear Ends
Have you ever wondered why some primates have such a red, prominent rear end? Turns out that many monkeys use their bums for communication! Learn all about this butt chat in this episode of SciShow!
SciShow
Building New Molecules: SciShow Talk Show
Hank and PhD candidate Casey Massena go deep into the chemistry of a molecule that Casey helped create! Then Jessi joins the show to show off Ecuador, one of her many conures!
SciShow
7 Unbelievably Hardcore Ants
The ant world is an incredible, dangerous, and downright bizarre place. Some ants, though, are a lot cooler and more resourceful than you might give them credit for.