The breathtaking courage of Harriet Tubman
Lesson duration 04:49
Escaping slavery; risking everything to save her family; leading a military raid; championing the...
Lesson duration 04:49
Escaping slavery; risking everything to save her family; leading a military raid; championing the...
Lesson duration 03:10
Have you ever smelled a storm approaching? It’s Okay To Be Smart explains how you don’t have to...
Lesson duration 05:03
Remember learning about the food pyramid in health class? As it turns out, it was based on a lot...
Lesson duration 04:34
It’s another sweltering morning in Memphis, Egypt. As the sunlight brightens the Nile, Peseshet...
Lesson duration 03:51
An oil spill occurs in a pristine area. What are the options for cleanup? What would work most...
Lesson duration 05:37
To have sound levels of self-esteem is one of the gateways to happiness. But achieving this has...
Lesson duration 05:11
His reign marked the beginning of one of history’s greatest empires … and the end of one of its...
Lesson duration 05:07
What hoops do you have to jump through to cast a baby in your movie? Vox explains how babies end...
Lesson duration 04:05
It’s easy to feel like you’re an even mix of your parents, but that’s not always the case. So,...
Lesson duration 06:04
Physics Girl shows you these short, simple life hacks that are based on physics.
Lesson duration 04:40
Imagine trying to use words to describe every scene in a film, every note in a song, or every...
Lesson duration 04:26
The coldest materials in the world aren’t in Antarctica or at the top of Mount Everest. They’re...
Lesson duration 07:14
What is the difference between NASA and SpaceX? How do the two compare? The Infographics Show...
Lesson duration 03:12
We're all living in the age of Google. What are search engines and technology doing to our...
Lesson duration 04:31
Women's clothing sizes are very inconsistent. So no, it's not you. Vox explains the women’s...
Lesson duration 03:32
You have been out in the sun too long! Someone recommends aloe vera gel to soothe your sunburned...
Lesson duration 02:57
People spend billions of dollars every year trying to boost their health with multivitamins- but...
Lesson duration 03:37
Does humanity stand a chance against our sun's ultimate fate? AsapSCIENCE researches the...
Lesson duration 08:51
Did you know arrows consistently bend before they hit their target? It's called the archer's...
Lesson duration 03:39
Roller coasters give people the opportunity to experience physics in dramatic ways. In this...
Lesson duration 05:10
Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have...
Lesson duration 08:21
Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But...
Lesson duration 04:52
The 40 or so muscles in the human face can be activated in different combinations to create...
Lesson duration 04:46
Dutch artist Piet Mondrian’s abstract, rectangular paintings inspired mathematicians to create a...