SciShow
The Implant That Literally Freezes Away Pain
It's no secret that cold can help treat a source of pain, like a sprained ankle or even a burn. But new technology might be able to take that principle and apply it /directly/ onto your nerves!
SciShow
The Science Behind Sleep & Love Potions
Sure, potions of invisibility and immortality may be a little hard to come by in the real world, but there's some legit science behind less fantastic ones. Historical sleep and love potions are grounded in science, even if some of the...
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.
SciShow
What Happens When a Venomous Snake Bites Itself?
Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?
SciShow
Why Do We Wrinkle When Wet?
Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution.
SciShow
3 Baffling Depression Treatments and Why They Might Work
Scientists have found some effective alternative treatments for patients with treatment-resistant depression, but they are not exactly sure why these treatments work.
SciShow
5 Times Evolution Should Have Planned Ahead
Natural selection can lead to some pretty amazing adaptations, but sometimes the resulting traits aren’t the most efficient solutions to the problems at hand. With the bar set to “good enough,” here are some features that arose from...
SciShow Kids
What’s Your Funny Bone?
Sometimes, when you bump your elbow really hard, your arm can get all weird and tingly, all the way down to your fingers! Some people call that "hitting your funny bone," but what you're hitting isn't a bone at all!
SciShow
Why You Can’t Listen to Music While You Work
Some people are capable of concentrating in a storm of noise and motion, and some get distracted by the slightest squeak of a classmate’s chair. This has to do with our brain’s ability to filter, and not only are both entirely natural,...
SciShow
Why Do Kids Puke So Much?
Anyone who’s frequently around kids knows that they throw up a lot, and at seemingly weird times. But there are some interesting biological reasons why that might be!
Crash Course
Parasympathetic Nervous System: Crash Course A&P
This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got...
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.
SciShow
Why Do Itches Make You Chase Them?
Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation.
SciShow
A New Way to Bring People Back from a 'Vegetative State'
Scientists have had some success with a new technique to restore awareness to a person in a vegetative state & also that we could potentially use the water cycle to power most of the United States!
SciShow
The World's Most Asked Questions | Compilation
A while back, we were tasked with answering some of the world's most asked questions. So here, in one convenient location, are some of those questions and their answers.
SciShow
Why Does Getting Water Up Your Nose Hurt So Much?
Jumping into a refreshingly cold body of water on a hot summer day can feel wonderful, except for your nose. Why does it hurt so much when you get water up your nose?
SciShow
What Causes Pins and Needles?
Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.
SciShow
Why Does Everything Stink Less in Winter?
There are lots of reasons stinky things don’t smell as strong in cold weather. You can maybe guess some of the reasons, but others may surprise you!
SciShow
What Happens When a Venomous Snake Bites Itself?
Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?
SciShow
Can Bright Light Make You Sneeze?
SciShow's Quick Questions explains why bright light can make some people sneeze! Really!
TED-Ed
TED-Ed: Joshua W. Pate: The mysterious science of pain
In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...
MinuteEarth
Why Do Humans Vomit So Much? 🤮
In an effort to protect us from getting killed by something we’ve ingested, our brain’s vomit control center processes a lot of information from several different places … and sometimes is a little overly cautious.
Be Smart
How Many Smells Can You Smell?
We walk through life led by our noses. Literally. Because they're on the front of our faces. How does the sense of smell work, and how sensitive are our noses? Why are smell-related memories so vivid? How many different smells could we...