TED Talks
TED: A memory scientist's advice on reporting harassment and discrimination | Julia Shaw
How do you turn a memory, especially one of a traumatic event, into hard evidence of a crime? Julia Shaw is working on this challenge, combining tools from memory science and artificial intelligence to change how we report workplace...
Crash Course
Soviet Montage: Crash Course Film History
Russia went and had a revolution in 1917 and cinema was a big part of its aftermath. Even though film stock was hard to come by, we saw the first film school started, and the study of film became hugely important. Russian filmmakers...
SciShow
The Biggest Psychology News Stories of 2016
From Pokémon, to fMRI, to the relationship between masculine norms and mental health, 2016 left us with some interesting psych news to ponder.
Crash Course
Experimental and Documentary Films: Crash Course Film History
It's Craig's last episode of Film and in it he's going to talk about weird stuff... and real stuff. Experimental and Documentary films could each take up their own Crash Course series. The different styles and intents of different...
Bozeman Science
Q10 - The Temperature Coefficient
In this video Paul Andersen defines Q10 as the ratio between reactions at different temperatures. He then gives you an example of how it could be calculated. He also includes extensions of other scientific phenomenon that could created...
TED-Ed
TED-Ed: A brief history of Spanish | Ilan Stavans
Beginning in the third century BCE, the Romans conquered the Iberian peninsula. This period gave rise to several regional languages in the area that's now Spain, including Castilian, Catalan, and Galician. One of these would become...
SciShow
Where Are All the Electric Airplanes
Clean, renewable energy is becoming more and more common in our everyday lives. But, as our cars and buildings become more green, tens of thousands of airplanes fly every day using petroleum-based fuel, and there's seemingly no end in...
TED Talks
TED: Community-powered solutions to the climate crisis | Rahwa Ghirmatzion and Zelalem Adefris
Climate change is the epic challenge of our lives, and community leaders like Rahwa Ghirmatzion and Zelalem Adefris are already working on sustainable, resilient solutions. Through their organizations in Buffalo and Miami, they're...
TED-Ed
TED-ED: The myth of Arachne and Athena - Iseult Gillespie
From sailors who were turned into pigs, nymphs that sprouted into trees, and a gaze that converted the beholder to stone, Greek mythology brims with shape-shifters. The powerful Gods usually changed their own forms at will - but for...
TED Talks
6 essential lessons for women leaders | Julia Gillard and Ngozi Okonjo-Iweala
In a rich conversation full of practical insights, former Prime Minister of Australia Julia Gillard and former Finance Minister of Nigeria Ngozi Okonjo-Iweala reflect on their experiences as women leaders in positions of global power --...
PBS
Citizen Science
The professional astronomer or astrophysicist is a pretty recent phenomenon. In the past, astronomy was often performed by nobility and extremely enthusiastic amateurs. Although it seems like the scientific exploration of our universe is...
PBS
How Much Information is in the Universe?
Billions of galaxies, each with billions of stars, each with .... rather a lot of particles in them. And then there's dark matter, black holes, planets, and the particles and radiation in between the stars and galaxies. But.... is the...
TED Talks
TED: Your invitation to disrupt philanthropy | Sara Lomelin
Philanthropy disruptor Sara Lomelin thinks communities can build power through collective giving and the model of "giving circles": groups of people with shared values who come together to make change, strengthen their social fabric and...
TED Talks
TED: The end of Roe v. Wade -- and what comes next | Kathryn Kolbert
Roe v. Wade, the landmark 1973 Supreme Court decision protecting people's right to have an abortion in the United States, will be overturned within a year, says reproductive rights attorney Kathryn Kolbert. In this electrifying call to...
PBS
The Mathematics of Diffie-Hellman Key Exchange
Symmetric keys are essential to encrypting messages. How can two people share the same key without someone else getting a hold of it? Upfront asymmetric encryption is one way, but another is Diffie-Hellman key exchange.
TED Talks
TED: The powerful women on the front lines of climate action | Farwiza Farhan
When it comes to big problems like climate change, we tend to focus on big solutions -- but many of the best ideas come from people on the ground, facing day-to-day conservation battles. Sharing her effort to protect the Leseur ecosystem...
TED Talks
TED: What you need to know about carbon removal | Gabrielle Walker
What do woolly pigs have to do with climate change? They're part of a vital, ingenious and evolving strategy to take carbon out of the sky and store it safely -- in trees, soils, the ocean, buildings, rocks and deep underground. Every...
3Blue1Brown
The most unexpected answer to a counting puzzle: Colliding Blocks - Part 1 of 3
A puzzle involving colliding blocks where the number pi, vey unexpectedly, shows up.
Crash Course
Gilded Age Politics Crash Course US History
In which John Green teaches you about the Gilded Age and its politics. What, you may ask, is the Gilded Age? The term comes from a book by Mark Twain and Charles Dudley Warner titled, "The Gilded Age." You may see a pattern emerging...
SciShow
5 Ways to Use Your Body as a Charger
Devices that collect data about our bodies need power, but they also might need to be very small or even ingestible. To avoid including batteries in these cases, researchers are looking for ways to harvest energy from the body itself.
Crash Course
The Rise of Russia and Prussia: Crash Course European History
In eastern Europe, in the 17th century a couple of "great powers" were coming into their own. The vast empire of Russia was modernizing under Peter the Great, and the relatively tiny state of Prussia was evolving as well. Russia (and...
MinutePhysics
How to Build a Lava Moat (with xkcd)
The world's most entertaining and useless self-help guide, from the brilliant mind behind the wildly popular webcomic xkcd and the #1 New York Times bestsellers What If? and Thing Explainer For any task you might want to do, there's a...
TED-Ed
How much electricity does it take to power the world? | TED-Ed
All around the world, millions of people are flipping a switch, plugging in, and pressing an 'on' button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes...