TED Talks
TED: How to build democracy — in an authoritarian country | Tessza Udvarhelyi
Today, Hungary is in the gray zone between a dictatorship and a democracy, says activist Tessza Udvarhelyi. "This did not happen overnight." In a rousing talk, she reminds us just how close any country can come to authoritarianism — and...
Be Smart
How Was the Grand Canyon Formed?
I was in Arizona recently for Phoenix Comic-Con, and had the amazing pleasure of seeing one of Earth's greatest natural wonders… the Grand Canyon. More than a mile deep, and several miles across, it just defies belief. But I couldn't...
PBS
Immersive exhibitions are changing the way people consume art
In recent years, immersive art exhibitions that place viewers amid the art have been a hot ticket. Popular ones featuring works from artists like van Gogh and Monet travel from city to city. But there are a growing number of permanent...
MinuteEarth
Why The Ocean Needs Salt
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.
TED Talks
TED: Can we hack photosynthesis to feed the world? | Steve Long
Photosynthesis is one of the most important processes on the planet, helping produce the food we eat and the air we breathe. Crop scientist Steve Long thinks it could be more efficient — and he's intent on giving it a boost. He shows how...
TED Talks
TED: It's time to rethink the role of First Lady | Irina Karamanos Adrian
Irina Karamanos Adrian didn't plan on becoming Chile's First Lady — but she set out to transform the role all the same. She shares how she's fighting gender stereotypes and protecting democracy by shifting political power back to where...
TED Talks
TED: My quest to end the horror of gun violence in the US | Lucy McBath
US Congresswoman Lucy McBath has made it her mission to seek bipartisan solutions for gun safety, leading the way in sponsoring so-called "red flag" laws that prevent gun violence and mass shootings. In a searing and timely talk, she...
TED Talks
TED: A playbook on financing climate solutions | Nili Gilbert and David Blood
Tackling climate change costs a lot of money — and the financial sector is key to getting that money flowing. In a wide-ranging conversation, sustainable investment leaders Nili Gilbert and David Blood discuss where progress is being...
TED-Ed
TED-Ed: What really killed the dinosaurs? (It wasn’t just the asteroid) | Sean P. S. Gulick
Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands...
TED-Ed
TED-Ed: 3 tips on how to study effectively | TED-Ed
A 2006 study took a class of surgical residents and split them into two groups. Each received the same study materials, but one group was told to use specific study methods. When tested a month later, this group performed significantly...
TED Talks
TED: The unifying power of grace | Sean Goode
Will you forgive me? asks community leader Sean Goode. He proposes that the promise of forgiveness before wrongdoing — what he calls "unapologetic grace" — can empower people to share their truths and create space to bridge our differences.
TED Talks
TED: Unions for climate action! | Payton M. Wilkins
In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...
PBS
How Muslim and Jewish faith groups are coming together during Israel-Hamas war
The conflict in the Middle East has been a fraught subject for decades, including in the U.S., and especially within American Jewish and Muslim communities. And for almost as long, interfaith groups have sought to bring those communities...
PBS
College admissions essays more important for students after end of affirmative action
Students who are starting to apply to colleges for the coming year are the first class to deal with the impact of the Supreme Court's decision to overturn affirmative action. For many high school students, this annual rite of passage is...
SciShow
Why Does Physics Love Donuts? | Compilation
Unfortunately, the universe isn't made of sugarcoated fried dough. However, here are a few ways donuts are still managing to find their way into the physical world.
SciShow
Early Earth Microbes May Have Eaten Raw Meteorites
Is it possible that life on earth began with an out of this world rock buffet?
SciShow
The Ocean’s Turning Green (That’s Bad)
Computer models of climate change have long predicted that the ocean would turn green as a result of warming. But the change can't be seen by the human eye, so scientists weren't sure how they'd measure this effect... until it turned out...
SciShow
The Woman Who Saved the World
On her way to winning the 2023 Nobel Prize for her pioneering work on mRNA vaccines, Katalin Karikó lived a life made for the big screen.
PBS
A brief but spectacular take on giving incarcerated youth a voice
Photographer Richard Ross has documented the U.S. juvenile justice system for the better part of a decade, producing the books “Juvie Talk” and “Girls in Justice” based on his experiences with incarcerated youth. He believes the kids he...
PBS
What If Space And Time Are NOT Real?
Physics progresses by breaking our intuitions, but we’re now at a point where further progress may require us to do away with the most intuitive and seemingly fundamental concepts of all—space and time.
PBS
Venus May Have Life!
If you rank the most habitable places in our solar system Venus lands pretty low, with surface temperatures hot enough to melt lead and sulphuric acid rain. And yet it may have just jumped to the front of the pack. In fact, we may have...
PBS
100 Years of Relativity + Challenge Winners!
The results are in - on this weeks episode of Spacetime we reveal the answer to our Asteroid Challenge, as well as our T-shirt winners! Check out who saved the world!
PBS
The Trebuchet Challenge | Space Time
Kinetic and potential energy are defined as combinations of more basic quantities: position, velocity and mass. These combinations are chosen so that their sum is conserved. It’s actually remarkable that there’s any such combination of...
PBS
When Ancient People Changed Their Own DNA
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