TED Talks
TED: The unexpected challenges of a country's first election | Philippa Neave
How do you teach an entire country how to vote when no one has done it before? It's a huge challenge facing fledgling democracies around the world -- and one of the biggest problems turns out to be a lack of shared language. After all,...
SciShow
The Great Attractor: A Truly Massive Mystery
There's something out there SO massive that it's pulling on every object within hundreds of millions of light years. But we can't see it! So what DO we know? Today on SciShow Space, Reid Reimers tells us more about the Great Attractor.
TED Talks
Dalia Mogahed: The attitudes that sparked Arab Spring
Pollster Dalia Mogahed shares surprising data on Egyptian people's attitudes and hopes before the Arab Spring -- with a special focus on the role of women in sparking change.
TED Talks
Carolyn Porco: This is Saturn
Planetary scientist Carolyn Porco shows images from the Cassini voyage to Saturn, focusing on its largest moon, Titan, and on frozen Enceladus, which seems to shoot jets of ice.
TED-Ed
TED-ED: History vs. Che Guevara - Alex Gendler
His face is recognized all over the world _ the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this...
TED Talks
TED: The science of preserving sight | Joshua Chu-Tan
As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how your vision works, researcher Joshua...
SciShow
How to Write Directly on the Brain
Scientists have found a way to hack the visual process and generate shapes directly on the brain, so a person can see them without using their eyes.
TED-Ed
TED-Ed: Schrodinger's cat: A thought experiment in quantum mechanics - Chad Orzel
Austrian physicist Erwin Schrodinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state...
3Blue1Brown
The determinant: Essence of Linear Algebra - Part 6 of 15
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
SciShow
Déjà Vu
Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.
TED-Ed
TED-Ed: Diagnosing a zombie: Brain and body - Tim Verstynen & Bradley Voytek
Zombies eat brains. They are also, like all of us, driven by brain functions. What is happening in their brains to make them act as they do? In this intriguing dialogue, Tim Verstynen & Bradley Voytek apply the various human medical...
PBS
Quantum Vortices and Superconductivity + Challenge Answers
Scientists studying quantum vortices and their impact on superconductivity just won the Nobel Prize.
SciShow
Two New Sauropods Generate Excitement and Controversy | SciShow News
One new fossil discovery helps shed some light on early titanosaur evolution, while another leads to some controversial claims about dicraeosaurs.
TED-Ed
TED-Ed: How we see color - Colm Kelleher
There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? Colm Kelleher explains how humans can see everything from auburn to aquamarine.
SciShow
The Chinese Mission Finding Water on Mars
Several rovers on Mars's surface are currently in operation, including one you might not have heard of: China’s Zhurong rover. It's already spent over a year on the Martian surface and is bringing us ever closer to understanding the...
TED Talks
TED: The roots of plant intelligence | Stefano Mancuso
Plants behave in some oddly intelligent ways: fighting predators, maximizing food opportunities ... But can we think of them as actually having a form of intelligence of their own? Italian botanist Stefano Mancuso presents intriguing...
3Blue1Brown
Divergence and curl: The language of Maxwell's equations, fluid flow, and more
Intuitions for divergence and curl, and where they come up in physics.
TED-Ed
TED-Ed: The dangerous race for the South Pole - Elizabeth Leane
By the early 1900’s, nearly every region of the globe had been visited and mapped, with only two key locations left: the North and South Poles. After two Americans staked claim to reaching the North Pole, a Norwegian explorer and a...
SciShow
Space Hype!
Sometimes science news is less about stuff that actually happened, as much as it is about people going "PAY ATTENTION TO ME" and space news is no exception. In fact this week there was probably as much hype as real news, all in the name...
SciShow
Impulse Buying: Why You Buy Stuff You Don’t Need
You may have noticed that checkout lines often have whozits and whatzits galore, but your opinion of them mostly depends on how a couple different regions of your brain work.
Crash Course
What is a “Developed” Country? Crash Course Geography
Today we’re going to discuss what it means for a place to be “developed”. Development is often associated with economic success — that is countries with higher standards of living and material wealth like those found in Europe and North...
3Blue1Brown
The determinant | Essence of linear algebra, chapter 5
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
TED Talks
Bernie Dunlap: The life-long learner
Wofford College president Bernie Dunlap tells the story of Sandor Teszler, a Hungarian Holocaust survivor who taught him about passionate living and lifelong learning.