TED Talks
TED: A circle of caring | Jok Church
Did you ever have a teacher who cared for you when no one else did? Jok Church tells a short, moving story of the teacher who sheltered him as a young gay teen and helped him grow -- and how, many years later, he and his partner had the...
Be Smart
Is Height All in Our Genes?
I'm tall. Most of the people in my family are tall. Does that mean my son will be tall? Turns out the inheritance of height is a lot more complicated than we thought. Scientists know that nature (genes) and nurture (environment) both...
TED-Ed
TED-Ed: How Thor got his hammer - Scott A. Mellor
Loki the mischief-maker, writhes in Thor’s iron grip. The previous night, he’d snuck up on Thor’s wife and shorn off her beautiful hair. To fix what he’d done, Loki rushes to the dwarves and tricks them into making gifts for the gods....
TED-Ed
TED-Ed: Why do we have to wear sunscreen? - Kevin P. Boyd
You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays and burn-inducing UVB's can pose a serious risk to your health (and good...
Bozeman Science
Angular Momentum of a System
In this video Paul Andersen explains how the angular momentum of a system can be calculated by determining the angular momentum of all individual objects within the system. An inquiry activity using a gyroscope is also included.
SciShow
Why does hand sanitizer feel cold? #shorts #science
Why does hand sanitizer feel cold? #shorts #science
TED Talks
Edward Burtynsky: My wish: Manufactured landscapes and green education
Accepting his 2005 TED Prize, photographer Edward Burtynsky makes a wish: that his images -- stunning landscapes that document humanity's impact on the world -- help persuade millions to join a global conversation on sustainability.
SciShow
Are Sympathy Pains Real?
Some people can truly feel other people’s pain! But even if you aren't someone who can literally feel someone else’s sensations, your connections with people can still do some powerful things.
Crash Course
E Z Alkenes Electrophilic Addition Carbocations - Crash Course Organic Chemistry
Alkenes are an important type of molecule in organic chemistry that we’re going to see a lot more of in this series. But before we can really get into the many cool reactions alkenes do, we need to go over some of the basics. In this...
TED Talks
Joe Smith: How to use a paper towel
You use paper towels to dry your hands every day, but chances are, you're doing it wrong. In this enlightening and funny short talk, Joe Smith reveals the trick to perfect paper towel technique.
Crash Course
How To Become An Engineer: Crash Course Engineering #45
Hopefully this course has gotten you excited about all the things we can do with engineering. If so, today we’re going to try to help you answer a very important question: how do you become an engineer? What are the steps? What kinds of...
SciShow Kids
Make Your Own Well! Science Project for Kids
Jessi and Squeaks have talked about how wells move water from one place to another before; now they're going to show you how to build your very own so you can see for yourself!
3Blue1Brown
Implicit differentiation, what's going on here? | Essence of calculus, chapter 6
How to think about implicit differentiation in terms of functions with multiple inputs, and tiny nudges to those inputs.
TED-Ed
TED-Ed: How to set the table - Anna Post
Can't remember where your soup spoon ought to go? What about your salad fork? Knowing how to set a traditional table can seem like antiquated etiquette -- but it can come in handy! Anna Post, great-great-granddaughter of etiquette expert...
TED Talks
Jack Horner: Building a dinosaur from a chicken
Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking...
SciShow Kids
Why Is the Sky Blue?
Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?
Crash Course
Traveling Waves: Crash Course Physics
Waves are cool. The more we learn about waves, the more we learn about a lot of things in physics. Everything from earthquakes to music! Ropes can tell us a lot about how traveling waves work so, in this episode of Crash Course Physics,...
Be Smart
Sonic the Hedgehog Is Why You Have Thumbs!
The human hand, with its multi-talented thumb, might be man's greatest tool. But did you know we can trace that thumb, and the hand and arm it's connected to, all the way back to a 375 million-year-old fish named Tiktaalik? This week I...
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
Saving the Elephants with Carbon Dating
The researchers have found that almost all the illegal ivories are from recent poaching. Meanwhile, humans are not only animals that are farsighted!
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!
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 Talks
TED: How nationalism and globalism can coexist | Wanis Kabbaj
Why do we have to choose between nationalism and globalism, between loving our countries and caring for the world? In a talk with lessons for avowed nationalists and globalists alike, Wanis Kabbaj explains how we can challenge this...