3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.
3Blue1Brown
Ever wondered why slicing a cone gives an ellipse? It’s wonderfully clever!
A beautiful proof of why slicing a cone gives an ellipse.
TED-Ed
TED-ED: Can 100% renewable energy power the world? - Federico Rosei and Renzo Rosei
Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won't last forever. On the other hand, we have abundant sun, water and wind, which are all renewable energy...
TED Talks
TED: The brain-changing benefits of exercise | Wendy Suzuki
What's the most transformative thing that you can do for your brain today? exercise! says neuroscientist Wendy Suzuki. Get inspired to go to the gym as Suzuki discusses the science of how working out boosts your mood and memory -- and...
SciShow
Microscope The Tube That Changed the World
Humans have long known that glass bends light. However, it took us awhile to figure out that stacking lenses in a tube would open up a whole new world to science, finally allowing us a peek at the microscopic.
TED-Ed
TED-Ed: How do glasses help us see? - Andrew Bastawrous and Clare Gilbert
Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction - the ability of a transparent medium, like glass, water, or...
TED Talks
TED: The future of digital communication and privacy | Will Cathcart
People send 100 billion WhatsApp messages every day -- and they're all encrypted to protect them from potentially curious entities like companies, governments and even WhatsApp itself. With our increased reliance on digital communication...
3Blue1Brown
How pi was almost 6.283185...
A bit of the history behind how we came to use the symbol "pi" to represent what it does today, and how Euler used it to refer to several different circle constants.
SciShow Kids
What Do You Hear in a Seashell?
Have you ever put a seashell up to your ear and heard a roaring sound the sounds sort of like the ocean? Is it magic? No! It's science! Jessi and Squeaks explain what's up!
Crash Course
Studying for Exams: Crash Course Study Skills
It turns out that saving all of your studying until after midnight on the night before your big exam is not actually a great way to prepare. Today, Thomas explains some test prep strategies that actually work.
Crash Course
Educational Games: Crash Course Games
Chess, Number Munchers, The Oregon Trail! Today, we're going to talk about gaming's role in education. Now technically all games have an educational component, because games are defined by their rules and players have to learn those...
Crash Course
To Film School or Not To Film School: Crash Course Film Production
Should you go to film school? Great question? But there aren't necessarily a lot of direct answers. Do you want to go to Hollywood? Do you want to make movies in your spare time? Do you want to learn about world cinema? Do you want to be...
Crash Course
Media & Money: Crash Course Media Literacy
Media isn’t just movies and newspapers and TV shows, it’s also a part of society that involves a lot of money. And all that money has implications for the media that gets created. Media is created by people -- a range of people, making a...
Crash Course
Globalization and Trade and Poverty: Crash Course Economics
What is globalization? Is globalization a good thing or not. Well, I have an answer that may not surprise you: It's complicated. This week, Jacob and Adriene will argue that globalization is, in aggregate, good. Free trade and...
Crash Course
The Scientific Methods Crash Course History of Science 14
Historically speaking, there is no one scientific method. There's more than one way to make knowledge. In this episode we're going to look at a few of those ways and how they became more of the "norm."
TED Talks
TED: 9 life lessons from rock climbing | Matthew Childs
In this talk from TED University 2009, veteran rock climber Matthew Childs shares nine pointers for rock climbing. These handy tips bear on an effective life at sea level, too.
SciShow
How to Get to Know Yourself in a Healthy Way
Self-reflection could link to negative feelings, but it could also be helpful if you know how to avoid those pitfalls. So let’s learn how self-reflection works and get to know yourself in a healthy way!
Crash Course
Coyote and Raven, American Tricksters: Crash Course World Mythology
Mike Rugnetta continues to teach you about Tricksters in myth, and this time we're headed to the Americas. Coyote and Raven appear in stories from many Native American groups, and more often than not, they're tricky. They're also often...
Crash Course
Social Development: Crash Course Sociology
What makes you… you? How did you get to be that way? Today we’re talking about social development, starting with the role of nature and nurture in influencing a person’s development. We’ll discuss socialization, the importance of care &...
Crash Course
Exercise: Crash Course Study Skills
We're finally to the end of our time together here on Crash Course Study Skills, so this week we're taking a more holistic approach to being the best learner you can. Part of taking care of your brain is taking care of your whole body,...
Crash Course
Taking Notes: Crash Course Study Skills
The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ.
Crash Course
Telescopes
Today Phil explains how telescopes work and offers up some astronomical shopping advice.
Crash Course
Humans and AI Working Together
There’s been a lot of discussion about how automation is going to take people’s jobs and we don’t want to downplay that real impact, but today we’re going to focus on the benefits of humans and AI working together. Human-AI teams allow...
Curated Video
France Management Practices
New ReviewFrench managers negotiate a delicate balance between their wish to elude bureaucracy and their need to work with structure. Learn how managers combine an attention to detail with a uniquely French laissez-faire approach. Review how...