Be Smart
Why Do We Have to Sleep
Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here's a look at how sleep works, why we're not getting enough sleep, what happens if you DON'T sleep, and an idea...
SciShow
What Causes Near-Death Experiences?
The light at the end of the tunnel, the peacefulness, your life flashing before your eyes,it's all been documented thoroughly in pop culture. What usually gets left out, though, are the potential scientific explanations for what happens...
TED-Ed
TED-Ed: The tale of the doctor who defied Death
A husband and wife were in despair. The woman had just given birth to their 13th child, and the growing family was quickly running out of food and money. Wandering into the woods, the father encountered a skeletal figure with sunken eyes...
SciShow
What Do Different Brainwaves Mean?
The neurons in your brain don't just fire off randomly,they fire in various patterns called neural oscillations. But what do these different brainwaves mean?
TED-Ed
TED-Ed: The mystery of motion sickness - Rose Eveleth
Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem that's still without a cure. And if you think it's bad on a long...
SciShow
Do Animals Cry?
Plenty of animals have tears that moisturize their eyes. But does that mean they're sad? Quick Questions explains!
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!
SciShow
Seeing Like Mantis Shrimp to Spot Cancer
Mantis shrimp might as well be super heroes, and one of their powers might given us insight on how to spot cancer.
SciShow
Heat-Seekers: Harnessing the Infrared Senses of Animals
These animals can detect heat through some fascinating biological mechanisms, and they are proving to be boons to the scientific community.
SciShow
The Science of a Selfie
Taking photos used to require technical knowledge and time in a lab, but now we have electronic devices in our pockets that do all of the work for us. How do these miracle devices do it?
TED Talks
Alaa Murabit: What my religion really says about women
Strong faith is a core part of Alaa Murabit's identity -- but when she moved from Canada to Libya as a young woman, she was surprised how the tenets of Islam were used to severely limit women's rights, independence and ability to lead....
Be Smart
Electric Buzzaloo: How Bees See the Invisible
Bees are amazing social insects, and their relationship with flowers is one of nature's coolest examples of "mutualism". It got me wondering: How do bees see the world? Enjoy this look at how bees see in ultraviolet and even sense...
SciShow
Could Eye Drops Replace Your Glasses?
Getting older means it’s likely that your eyes will have trouble focusing on things at close distances, so we are often prescribed glasses to combat this problem. But what if there were eye drops that could achieve the same results?
TED-Ed
TED-Ed: Why should you read "A Midsummer Night's Dream?" - Iseult Gillespie
By the light of the moon, a group sneaks into the woods, where they take mind-altering substances, switch it up romantically and brush up against creatures from another dimension. “A Midsummer Night’s Dream” sees Shakespeare play with...
SciShow
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange
SciShow Kids
Why Do We Blink?
Ever have a staring contest? Why is it so hard?! Jessi answers a question from a curious SciShow Kids viewer: Why do we blink?
SciShow
How Do These Creepy Eyeball Rocks Form?
Rocks or mineral crystals can often remind us of other things in our daily lives, but coming across some of THESE rocks might be one of the creepiest experiences a rockhound can have!
TED Talks
TED: How we're teaching computers to understand pictures | Fei-Fei Li
When a very young child looks at a picture, she can identify simple elements: "cat," "book," "chair." Now, computers are getting smart enough to do that too. What's next? In a thrilling talk, computer vision expert Fei-Fei Li describes...
SciShow
Are Your Eyes Part of Your Brain?
When you think of a brain, you probably imagine that pink, wrinkly organ in your skull, but we don’t have to stop there! Neither the brain’s functions, nor its cells, are confined to the organ we normally think of as the brain.
TED Talks
TED: Compassion and the true meaning of empathy | Joan Halifax
Buddhist roshi Joan Halifax works with people at the last stage of life (in hospice and on death row). She shares what she's learned about compassion in the face of death and dying, and a deep insight into the nature of empathy.
TED Talks
Robert Gupta: Music is medicine, music is sanity
Robert Gupta, violinist with the LA Philharmonic, talks about a violin lesson he once gave to a brilliant, schizophrenic musician -- and what he learned. Called back onstage later, Gupta plays his own transcription of the prelude from...
SciShow
9 Weird Ways Animals See the World
Eyes have been around for a long time, like... half a billion years or so... and in that time, animals have evolved lots of amazing ways to observe the world around them!
SciShow Kids
Our Favorites | Compilation
Jessi and Squeaks are packing up for a long trip, but before saying goodbye, wanted to share some of their favorite videos.
SciShow
SciShow Talk Show: Ecology Project International & Serpentina the Rubber Boa
This week on the SciShow Talk Show Haley Hanson joins us from Ecology Project International to talk about how they bring high school students into the field to help with research and learn about ecology and conservation. Then Jessi from...