TED Talks
TED: The seeds of change helping African farmers grow out of poverty | Andrew Youn
Farmers stand at the center of the world, says Andrew Youn, cofounder of One Acre Fund, an agricultural organization that's empowering sub-Saharan farm families with the loans, seeds, fertilizer and training needed to increase crop...
Amoeba Sisters
Punnett Squares and Sex-Linked Traits
Explore inheritance when carried on the X chromosome with the Amoeba Sisters! This video focuses on how to do general Punnett square problems that involve traits on the sex chromosomes (X and Y chromosomes). We do want to point out...
TED Talks
TED: How I went from child refugee to international model | Halima Aden
Halima Aden made history when she became the first hijab-wearing model on the cover of Vogue magazine. Now she returns to Kenya's Kakuma Refugee Camp -- where she was born and lived until the age of seven -- to share an inspiring message...
TED Talks
TED: A new understanding of human history and the roots of inequality | David Wengrow
What if the commonly accepted narratives about the foundation of civilization are all wrong? Drawing on groundbreaking research, archaeologist David Wengrow challenges traditional thinking about the social evolution of humanity -- from...
Crash Course
Marie Curie and Spooky Rays: Crash Course History of Science
It's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her homeland, discovered some really important answers to the...
SciShow
3 Great Discoveries of 2014
SciShow News explains the amazing discoveries behind this year’s Nobel Prizes, from the invention that made LED bulbs possible to discovering how our “inner GPS” works!
Crash Course
The Facts about Fact Checking: Crash Course Navigating Digital Information #2
We're off to fact-checking school. This time, John Green is teaching you how to fact-check like the pros. We're going to walk through the steps that professionals follow, including figuring out who is behind the information we read, why...
TED-Ed
TED-Ed: Can you solve the riddle and escape Hades? | Dan Finkel
The underworld is overcrowded, and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it, they'll get...
SciShow
8 Lesser-Known, Useful Elements
There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because you haven't heard of an element doesn't mean that it isn't a vital part of everyday life.
SciShow
What are Those Things on Airplanes' Wings?
Have you ever wondered what those things are on airplane wings? You know, those little angled bits of metal? Watch to learn what they are and how they’re used!
TED Talks
TED: What can save the rainforest? Your used cell phone | Topher White
The sounds of the rainforest include: the chirps of birds, the buzz of cicadas, the banter of gibbons. But in the background is the almost-always present sound of a chainsaw, from illegal loggers. Engineer Topher White shares a simple,...
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!
TED-Ed
TED-Ed: A brief history of numerical systems - Alessandra King
1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of them? And why do we arrange them the way we do? Alessandra King gives a brief history...
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...
SciShow Kids
Meet Your Tonsils!
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
TED-Ed
TED-Ed: Why should you read "The God of Small Things" by Arundhati Roy? | Laura Wright
Set in a small town in India, "The God of Small Things" revolves around fraternal twins Rahel and Estha, who are separated for 23 years after the fateful hours in which their cousin drowns, their mother's affair is revealed, and her...
SciShow
What's at the Bottom of the Deepest Lake in the World
Besides being the deepest lake on Earth, Lake Baikal supports a bizarre collection of species that are found nowhere else!
TED Talks
TED: Can we call it a "world map" if it's missing a billion people? | Rebecca Firth
Want to help map the world? Community builder Rebecca Firth explains how the Humanitarian OpenStreetMap Team (HOT) is using open-source software powered by volunteers to put one billion people on the map in the next five years. (This...
SciShow
When Will We All Die The Statistics of Human Extinction
We humans like to think we’re special in basically all ways, but if the history of life is any indication, our species has a limited time on this planet. So the question is: when are we gonna go extinct?
SciShow
6 Construction Failures, and What We Learned From Them
Things can go wrong in scientific experiments sometimes, but when it comes to engineering, getting things wrong can be disastrous.
TED Talks
Jennifer Golbeck: Your social media "likes" expose more than you think
Do you like curly fries? Have you Liked them on Facebook? Watch this talk to find out the surprising things Facebook (and others) can guess about you from your random Likes and Shares. Computer scientist Jennifer Golbeck explains how...
MinutePhysics
What Is The Shape of Space? (ft. PhD Comics)
A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com Jorge's PhDComics: http://www.phdcomics.com This video is about the local and global geometry and curvature of space and...
TED-Ed
TED-ED: Should we eat bugs? - Emma Bryce
What's tasty, abundant and high in protein? Bugs! Although less common outside the tropics, entomophagy, the practice of eating bugs, was once extremely widespread throughout cultures. You may feel icky about munching on insects, but...
SciShow
Why You Can't Bake a Mason Jar
Regular old glass like the kind that makes up a mason jar can shatter and explode if put in the oven. But we do have types of glass that you can bake your pie or brownies in and it's all thanks to some neat chemical tricks.