TED Talks
TED: The surprisingly charming science of your gut | Giulia enders
ever wonder how we poop? Learn about the gut -- the system where digestion (and a whole lot more) happens -- as doctor and author Giulia enders takes us inside the complex, fascinating science behind it, including its connection to...
TED-Ed
TED-Ed: What causes panic attacks, and how can you prevent them? | Cindy J. Aaronson
Countless poets and writers have tried to put words to the experience of a panic attack— a sensation so overwhelming, many people mistake it for a heart attack, stroke, or other life-threatening crisis. Studies suggest that almost a...
SciShow
Human Connectome
Hank briefs us on a fascinating project that aims to map the anatomical and functional pathways of the brain - a neural network called the human connectome.
TED-Ed
TED-ED: How sugar affects the brain - Nicole Avena
When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of...
SciShow Kids
Why Do We Get Dizzy?
Have you ever been on a ride on the playground that made you really dizzy, like a merry-go-round? Have you ever wondered where that weird, spinning sensation comes from? Jessi and Squeaks have the answer!
SciShow
Why Can't I Poop When I Travel?
If you’ve ever experienced constipation while traveling, don’t worry - you are not alone, and there may be some things you can do to avoid it.
SciShow
4 Algorithms We Borrowed from Nature
We use algorithms every day for things like image searches, predictive text, and securing sensitive data. Algorithms show up all over nature, too, in places like your immune system and schools of fish, and computer scientists have...
SciShow
These Ant Paramedics Save Their Injured Comrades
A species of ant has been discovered to rescue and tend to the battle wounds of other ants injured while hunting, and scientists think that this is the first time this behavior has ever been observed in insects.
SciShow
5 Times Scientists Gave Animals Drugs (and What They Learned)
It might seem like researchers give animals drugs just to make a good headline, but these experiments have taught scientists a lot.
TED Talks
Gero Miesenboeck: Re-engineering the brain
In the quest to map the brain, many scientists have attempted the incredibly daunting task of recording the activity of each neuron. Gero Miesenboeck works backward -- manipulating specific neurons to figure out exactly what they do,...
TED Talks
Allan Jones: A map of the brain
How can we begin to understand the way the brain works? The same way we begin to understand a city: by making a map. In this visually stunning talk, Allan Jones shows how his team is mapping which genes are turned on in each tiny region,...
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 Our Brains Love Junk Food
Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.
SciShow
Why Do Cats Like Catnip?
Catnip! Cats roll in it, rub their cheeks on it and paw at it... but what is it about this stuff that gets our feline friends caught up in such a frenzy?
SciShow
Dinosaurs Had a Bloodsucking Enemy
This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...
SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn't know what to do with itself.
TED Talks
Tom Wujec: 3 ways the brain creates meaning
Information designer Tom Wujec talks through three areas of the brain that help us understand words, images, feelings, connections. In this short talk from TEDU, he asks: How can we best engage our brains to help us better understand big...
TED Talks
Dan Ariely: Our buggy moral code
Behavioral economist Dan Ariely studies the bugs in our moral code: the hidden reasons we think it's OK to cheat or steal (sometimes). Clever studies help make his point that we're predictably irrational -- and can be influenced in ways...
TED Talks
Oliver Sacks: What hallucination reveals about our minds
Neurologist and author Oliver Sacks brings our attention to Charles Bonnet syndrome -- when visually impaired people experience lucid hallucinations. He describes the experiences of his patients in heartwarming detail and walks us...
SciShow
Why We Hallucinate While Falling Asleep
Have you ever found yourself seeing images right before falling asleep? You might be experiencing hypnagogia.
SciShow
Why Depression Isn’t Just a Chemical Imbalance
Depression is a common disorder, and though it might seem like we’ve got it figured out, what it is and how to treat it is actually way more complicated than we think.
SciShow
How Awe Changes You
Whether you get it from standing on the top of Mount Everest or watching a video about the size of the universe on SciShow Space, awe can be a powerful, transformative emotion.
SciShow
Why Does Spicy Food Burn When You Poop?
Sometimes your body won't let you forget that spicy burrito you had yesterday!