Be Smart
The Only Animal That Weeps
Why do we cry? It's weird. Humans leak water out of their faces when they get sad. Are we the only animals that do this? What does it mean? What is it for? Here's the science of human tears!
TED Talks
TED: A video game to cope with grief | Amy Green
When Amy Green's young son was diagnosed with a rare brain tumor, she made up a bedtime story for his siblings to teach them about cancer. What resulted was a video game, "That Dragon, Cancer," which takes players on a journey they can't...
Crash Course
Assisted Death & the Value of Life: Crash Course Philosophy
As we wrap up Crash Course Philosophy, we’re using the things we’ve learned to explore big issues like the value of life. Today, we’re discussing abortions in cases of fetal abnormality, assisted suicide, and euthanasia. We will consider...
SciShow
Sensory Deprivation Tanks, and Other Overblown Human Closets
Sensory deprivation tanks, oxygen therapy chambers and unbelievably cold saunas - oh my! These machines are used to reduce stress, ease pain and could be useful in doing that, but these machines are generally meant to be used in very...
SciShow
Can Achy Joints Really Predict the Weather?
Can your grandma really tell when a storm is coming based on her knee? Scientists have been looking into this tale for years, and either way, you should probably still call her just because.
TED Talks
Vilayanur Ramachandran: The neurons that shaped civilization
Neuroscientist Vilayanur Ramachandran outlines the fascinating functions of mirror neurons. Only recently discovered, these neurons allow us to learn complex social behaviors, some of which formed the foundations of human civilization as...
SciShow
Can Gargling Salt Water Cure a Sore Throat?
Gargling with warm saltwater for a sore throat is a remedy commonly known and loved by doctors, and there is some evidence to back it up, but it’s not a cure.
SciShow
8 of the Worst Stinging Insects
Generally, humans try to avoid getting stung by insects. However, in the name of science, the betterment of humanity, and pure curiosity, there are brave people out there who willingly subject themselves to the business end of the most...
Be Smart
Why Do We Itch?
It's one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is...
SciShow
What Causes Growing Pains?
Growing Pains are real, but no one seems to know why exactly kids get them. Learn what we do know here on SciShow Quick Question!
SciShow
Second COVID Vaccine Shot Side Effects
As Covid-19 vaccines make it into more and more people's arms, you may be hearing that the second dose can be a little rough. But, while it may be unpleasant, these intense side-effects are actually a sign that the vaccines are working....
SciShow
Why Does Crying Make You Feel Better?
Have you ever wondered why you feel better after a good, hearty sob? Well, it turns out the reasons are kind of a mystery, and they range from social support to brain temperature.
TED Talks
TED: The chilling aftershock of a brush with death | Jean-Paul Mari
In April 2003, just as American troops began rolling into Baghdad, a shell smashed into the building author and war correspondent Jean-Paul Mari was reporting from. There he had a face-to-face encounter with death, beginning his...
SciShow
SciShow Talk Show: Writer Jeremy Smith, Measuring Health & Freya the Pine Snake
In this episode Hank talks about global medical history and recorded death certificates with journalist Jeremy Smith. Special guest from Animal Wonders and SciShow Kids Jessi Knudsen Castañeda brings Freya the Northern Pine Snake.
TED Talks
TED: A sex therapist's secret to rediscovering your spark | Ian Kerner
Sex therapist Ian Kerner hears about a common problem from his patients: "failure to launch," or the inability to build and maintain sexual momentum. What's the solution? Whether you're looking to reignite the spark in your relationship...
SciShow
How We Feel Pain, From Peppers to Pressure
We didn't understand how our bodies processed pain until recently. From hot peppers to slamming your hand in a drawer, recent research suggests that pain from various sources can be processed in a surprisingly similar way.
SciShow
Why Do Some Doctors Still Use Bloodletting?
Has a doctor ever told you that you just have too much blood? Probably not, but there are a handful of conditions where being a little low might be good for you.
SciShow
Science for Getting Swole: An Exercise Compilation
New Year's resolutions often include a goal to exercise more, so we've put together a few of our favorite fitness-themed episodes into one place for our lovely viewers!
SciShow
Do Placebos Work For Animals? Yes, Weirdly Enough
A placebo can only work if someone (or something) believes it will. So how can animals be fooled by the placebo effect?
SciShow
What Causes Runner's High?
After a good distance of running, you might have felt a sensation of happiness. That is the runner's high and some chemicals in your body cause it.
SciShow
CBD: Marijuana Without the High
Warning: Contains talk of cannabis. CBD: Marijuana Without the High
TED Talks
TED: How data from a crisis text line is saving lives | Nancy Lublin
When a young woman texted DoSomething.org with a heartbreaking cry for help, the organization responded by opening a nationwide Crisis Text Line for people in pain. Nearly 10 million text messages later, the organization is using the...
SciShow
How Do Desensitizing Toothpastes Work?
Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!
SciShow
The Most Hardcore Creatures on Earth | Compilation
From mice that battle scorpions to microscopic moss piglets that can survive a solar storm, here are 6 of Earth’s most hardcore beings!