SciShow
Your Cat Questions Answered! | Compilation
The kitties we let into our homes and hearts can have some strange and endearing behaviors, and we've made a fur-midable number of episodes about them! If you love cats, we've got a feline you're going to love this compilation!
MinuteEarth
Males vs. Females - Sexual Conflict
In the animal kingdom, sex often involves more conflict than cooperation. The struggle between males and females leads to a host of weird adaptations, from chastity belts to anti-aphrodisiacs. Want to learn more about the topic in this...
TED Talks
William Black: How to rob a bank (from the inside, that is)
William Black is a former bank regulator who’s seen firsthand how banking systems can be used to commit fraud — and how “liar's loans” and other tricky tactics led to the 2008 US banking crisis that threatened the international economy....
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
Bugs Aren't Brainless! | Great Minds: Charles Henry Turner
At the turn of the 20th century, scientists thought that insects were nothing more than tiny reflex machines. But Charles Henry Turner, who was possibly America’s first Black entomologist, ran some groundbreaking animal behavior studies...
TED Talks
TED: Mental health care that disrupts cycles of violence | Celina de Sola
In Latin American countries like El Salvador, homicide rates are alarmingly high thanks in large part to a vicious cycle of violence -- people don't have a chance to heal from recurrent individual and collective trauma. With her team at...
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,...
Crash Course
Sympathetic Nervous System: Crash Course A&P
Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to...
SciShow
Your Brain and Stress | Compilation
Stress and anxiety are complex, and the brain chemistry involved in those experiences are no exception. Here we explore the chemicals responsible for your brain’s response to stress.
Bozeman Science
Aposematic Coloration
Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also...
TED Talks
Larry Brilliant: My wish: Help me stop pandemics
Accepting the 2006 TED Prize, Dr. Larry Brilliant talks about how smallpox was eradicated from the planet, and calls for a new global system that can identify and contain pandemics before they spread.
SciShow
Optogenetics: Using Light to Control Your Brain
Optogenetics may allow us to use light like a remote control for our brains, and treat diseases like retinitis pigmentosa.
Crash Course
Deviance: Crash Course Sociology
What is social deviance? Who defines what is deviant and how to people come to behave that way? Today we’re going to explore biological and psychological approaches to explaining deviance, including what each perspective can bring to the...
SciShow
Why Is Yawning Contagious?
When you see someone yawn, you're probably pretty likely to follow suit. But what makes it so contagious?
SciShow
Why Do Some Noises Make You Cringe?
The majority of us can probably agree that the sound of nails on a chalkboard is unpleasant, but why is that? Theories range from evolutionary survival mechanisms to the anatomy of the human ear. Find out more in this episode of SciShow!
SciShow Kids
The Science of Being Scared
Squeaks surprises Jessi, which makes her wonder: What's the science behind getting scared?
PBS
Is Instagram Revolutionizing Photography?
With its ability to make boring cellphone photos look "vintage" and "artsy", the mobile application Instagram has exploded worldwide. Derided by its detractors as a tool for making bad photos worse, we take an alternate view and argue...
SciShow
The Trouble with This Year's Flu Season
We here at SciShow know of two things that can help you get through this flu season: a flu shot, and watching this video. Make sure you do both!
TED Talks
Dana Kanze: The real reason female entrepreneurs get less funding
Women own 39 percent of all businesses in the US, but female entrepreneurs get only two percent of venture funding. What's causing this gap? Dana Kanze shares research suggesting that it might be the types of questions start-up founders...
SciShow
Why Does Music Give Us Chills?
When a musician rips into a totally sweet solo, it can give you goosebumps and send a chill down your spine, but how does that happen?
SciShow
Why Does Running Water Make You Want To Pee?
Listening to a bubbling stream can be pretty relaxing, up until the point when you realize you suddenly have to pee.
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.
TED Talks
Nick Bostrom: How civilization could destroy itself -- and 4 ways we could prevent it
Humanity is on its way to creating a "black ball": a technological breakthrough that could destroy us all, says philosopher Nick Bostrom. In this incisive, surprisingly light-hearted conversation with Head of TED Chris Anderson, Bostrom...
TED Talks
TED: Nature. Beauty. Gratitude. | Louie Schwartzberg
Nature’s beauty can be fleeting -- but not through Louie Schwartzberg’s lens. His stunning time-lapse photography, accompanied by powerful words from Benedictine monk Brother David Steindl-Rast, serves as a meditation on being grateful...