SciShow
A User's Guide to the Human Body
If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!
SciShow
Laser Fusion Is It Back to the Future Yet
Hank remembers Back to the Future and tells us about his favorite word combination--lasers and fusion.
Be Smart
A Slice of Pizza Science!
How does math keep a folded slice from drooping? And what does pizza have to do with the speed of light?
MinutePhysics
What is the Purpose of Life? (Big Picture Ep. 5/5)
This video is about how life arose and what its main function or purpose in the universe seems to be. Thanks to Sean Carroll for collaborating on it! This video is about how life arose and what its main function or purpose in the...
TED Talks
TED: Sex needs a new metaphor. Here's one ... | Al Vernacchio
For some reason, says educator Al Vernacchio, the metaphors for talking about sex in the US all come from baseball -- scoring, getting to first base, etc. The problem is, this frames sex as a competition, with a winner and a loser....
TED-Ed
TED-Ed: Pizza physics (New York-style) - Colm Kelleher
People love eating pizza, but every style of pie has a different consistency. If "New York-style"--thin, flat, and large--is your texture of choice, then you've probably eaten a slice that was as messy as it was delicious. Colm Kelleher...
TED Talks
TED: A precise, three-word address for every place on earth | Chris Sheldrick
With what3words, Chris Sheldrick and his team have divided the entire planet into three-meter squares and assigned each a unique, three-word identifier, like famous.splice.writers or blocks.evenly.breed, giving a precise address to the...
SciShow
Is It Gross to Blow out Birthday Candles
A certain viral video may have brought it to your attention that blowing out candles on a birthday cake might be gross, but exactly how gross depends on who’s blowing the candles out.
TED Talks
TED: How to tap into your awareness -- and why meditation is easier than you think | Yongey Mingyur Rinpoche
Meditation asks you to slip into a state of serene presence. But why does something that sounds effortless often feel so difficult? In this lighthearted invitation, spiritual leader Yongey Mingyur Rinpoche shares three steps to help you...
Crash Course
Unsupervised Machine Learning - Crash Course Statistics
Today we're going to discuss how machine learning can be used to group and label information even if those labels don't exist. We'll explore two types of clustering used in Unsupervised Machine Learning: k-means and Hierarchical...
SciShow
Curiosity’s Sequel, and the Key to Finding Alien Life
SciShow Space News shares the latest developments from around the universe, including the Curiosity’s arrival at its final destination, and new insights into what clues we should really be looking for in our search for alien life.
SciShow Kids
Why Does Some Cheese Have Holes?
Cheese is a great snack! One of the best things about it is that there's so many different kinds: cheddar, mozzarella, provolone, gouda... the list goes on and on! But have you ever wondered why some cheeses, like Swiss, are full of...
SciShow
What Causes Food Cravings?
Why do I really, really want ice cream right now? Today we explore the science of food cravings!
MinuteEarth
Why Apple Pie Isn't American
Our diets are more global than we realize, because our common food crops and animals were domesticated far away in diverse locations. __________________________________________ If you want to learn more about this topic, start your...
SciShow
Diamagnetism: How to Levitate a Frog
You might associate levitation with magic, but science has its own version.
Crash Course
Inflation and Bubbles and Tulips: Crash Course Economics
In which Adriene and Jacob teach you about how and why prices rise. Sometimes prices rise as a result of inflation, which is a pretty normal thing for economies to do. We'll talk about how across the board prices rise over time, and how...
Crash Course
Taste & Smell: Crash Course A&P
Hank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli...
Crash Course
Chi-Square Tests - Crash Course Statistics
Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test...
Crash Course
Specialization and Trade: Crash Course Economics
In which Adriene Hill and Jacob Clifford teach you about specialization and trade, and how countries decide whether they're going to make stuff or trade for stuff. You'll learn about things like comparative advantage, the production...
SciShow Kids
Fungi: Why Mushrooms Are Awesome | Biology for Kids
What's something that's neither vegetable or meat, digests food on the outside of its body, glows and the dark, and can go on top of your pizza? The amazing mushroom!
TED-Ed
TED-Ed: Daniel Finkel: Can you solve the unstoppable blob riddle?
A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It's also unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet...
Crash Course
The Columbian Exchange Crash Course World History
In which John Green teaches you about the changes wrought by contact between the Old World and the New. John does this by exploring the totally awesome history book "The Columbian Exchange" by Alfred Cosby, Jr. After Columbus...
Crash Course Kids
Fabulous Food Chains
Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first...