SciShow
Why Is That Song Stuck in My Head?!
Why do songs get stuck in our heads? And what can we do to get rid of them!? Michael Aranda explains current scientific thought on the subject (and also does a pretty good Shia LaBeouf impression).
SciShow
Why Our Brains Recognize Faces So Easily... or Fail at It
We are constantly recognizing faces countless times a day, but how do our brains distinguish those faces so easily?
TED Talks
Laura Schulz: The surprisingly logical minds of babies
How do babies learn so much from so little so quickly? In a fun, experiment-filled talk, cognitive scientist Laura Schulz shows how our young ones make decisions with a surprisingly strong sense of logic, well before they can talk.
MinuteEarth
Why We Faint (When Other Animals Don't)
Humans are the only animals known to faint due to triggers like shock, fear, or pain; this is due to a combination of our massive brains and upright stance.
SciShow
Onions, Emotions, and Why We Cry
Have you ever wondered why we cry? In today's episode of SciShow, Hank gives us the answer, covering different types of tears and whether we are the only species to get all teary eyed during the final scene of a good movie.
SciShow
What Do Mirror Neurons Really Do?
Mirror neurons are a very cool part of our brains but some people are taking it way further by making claims that they are responsible for telepathy and ESP. It goes without saying that this isn’t true, but what exactly do mirror neurons...
TED Talks
TED: A glimpse of the future through an augmented reality headset | Meron Gribetz
What if technology could connect us more deeply with our surroundings instead of distracting us from the real world? With the Meta 2, an augmented reality headset that makes it possible for users to see, grab and move holograms just like...
SciShow
The Real Reason Dogs Kick When You Scratch Them
If you’ve ever been scratching a dog and seen them do the kicky leg thing, it’s truly adorable. But it might not necessarily be a feel-good thing.
Be Smart
Zombie Parasites!
Shows like The Walking Dead are full of hungry, mindless, surprisingly fleet-footed armies of brain-eating zombies. Could they actually exist? Are zombies real? Well, maybe if you're talking about zom-bees! This week I introduce you to...
SciShow
Why Can’t I Remember My Dreams?
Everyone has dreams, but some people are better at remembering them than others. Scientists aren't sure why we dream, but remembering them has a lot to do with the activity in your brain, and with how well you sleep.
TED-Ed
TED-ED: Debunking the myths of OCD - Natascha M. Santos
There's a common misconception that if you like to meticulously organize your things, keep your hands clean, or plan out your weekend to the last detail, you might be OCD. In fact, OCD (Obsessive Compulsive Disorder) is a serious...
SciShow
To Heal the Brain, Sometimes We Need to Damage It
Brain damage is usually a bad thing, but sometimes the best option is actually to damage the brain in very specific ways.
Be Smart
How Many Heartbeats Do We Get?
Ever wonder how the heart symbol came to stand for the actual heart? And why do we speak of the heart as the seat of love, when love really happens in our brains? Is it true that animals only get a billion heartbeats? This week, we give...
SciShow
The Stroop Task: The Psych Test You Cannot Beat
The task sounds like it should be pretty easy, but the Stroop task is a fantastic, and very well studied, example of how your brain’s automatic processing can trip you up!
SciShow
The Protein That Switches on Puberty
Puberty is a wild time in human bodies, and so much goes on as they transform from a child to an adult. But it turns out, the whole process is controlled by a single protein - and it’s probably one you’ve never even heard of.
TED-Ed
TED-Ed: DNA: The book of you - Joe Hanson
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to detailed manual for building a person out of...
SciShow
Why Do We Laugh?
You know what's funny? Why people laugh. Hank talks about the science of laughter: what makes us laugh, what purpose it serves, and even what it can tell us about our mental and physical health. Hilarious!
SciShow Kids
Which Hand Is Stronger? Biology for Kids
Have you ever tried to write or color with both hands at the same time? It seems like it would save a ton of time, right? But for most people, one of their hands is way better at drawing or writing than the other!
TED-Ed
TED-Ed: How does caffeine keep us awake? - Hanan Qasim
Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can...
SciShow
Why Does Putting a Finger Under Your Nose Stop a Sneeze?
Sometimes sneezing can be really inconvenient, but why does a technique made popular by cartoon shows seem to be effective at stopping them?
TED-Ed
TED-ED: How do we smell? - Rose Eveleth
An adult human can distinguish up to 10,000 odors. You use your nose to figure out what to eat, what to buy and even when it's time to take a shower. But how do the molecules in the air get translated into smells in your brain? Rose...
TED-Ed
TED-Ed: How stress affects your brain - Madhumita Murgia
Stress isn't always a bad thing; it can be handy for a burst of extra energy and focus, like when you're playing a competitive sport or have to speak in public. But when it's continuous, it actually begins to change your brain. Madhumita...
SciShow
Miracle Fruit: How to Trick Your Taste Buds
Hate the taste of sour stuff? Well fret no more with this miracle berry! It will coat your tongue with an awesome protein to make everything taste sweet! Hank Green explains in this episode of SciShow.
SciShow
Can Exercise Treat Depression?
There are lots of good reasons to exercise, but it can also make you feel happier.