TED Talks
TED: How to find your voice for climate action | Fehinti Balogun
Actor and activist Fehinti Balogun pieces together multiple complex issues -- climate change, colonialism, systemic racism -- in a talk that's part spoken-word poem, part diagnosis of entrenched global problems. Seeing the connections is...
PBS
Ending AIDS in NY means finding the most vulnerable
Nearly one in 10 Americans living with HIV live in New York, where an ambitious plan aims to cut new infections and HIV-related deaths. But the state has serious challenges, including keeping people on their meds, and preventing the...
PBS
Political Columnist Michael Gerson On Coping With 'Insidious' Depression
Michael Gerson is a political columnist for the Washington Post and a regular contributor to the NewsHour. But this past weekend, he delivered a sermon at the Washington National Cathedral that focused on a more personal topic: his...
PBS
As Taliban Peace Talks Resume, What's At Stake For Afghan Women?
During his surprise Thanksgiving trip to Afghanistan, President Trump announced he had restarted talks with the Taliban.The ability of the conflict-wracked nation to achieve peace is at stake -- but so is progress for women, who could...
PBS
Why the rise of the electric scooter has been a bumpy ride
It began with just 10 electric scooters in Santa Monica, California, but soon sidewalks and streets were flooded with thousands of them. Essentially skateboards with handles that can be picked up and dropped off anywhere, they've been...
PBS
Medical volunteers risk their lives to save Mosul's injured
On the front lines of Mosul, Iraq, two young American volunteers aid those injured in battle. Pete Reed and Derek Coleman treat Iraqi soldiers and civilians right in the path of fire, far closer than other medical providers. Without...
PBS
University makes major push for diversity without considering race, gender in admissions
Past Supreme Court rulings have allowed colleges to consider race in their admissions processes and about 40 percent do. But the justices will soon revisit the issue and could overturn years of precedent. John Yang visited a university...
PBS
Kate DiCamillo, Newberry Winner for 'The Tale of Despereaux' (Mar. 30, 2004)
Kate DiCamillo, Newberry winner for "The Tale of Despereaux" (Mar. 30, 2004) (Author Interview)
PBS
Briana Scurry - Concussions Interview (Goalie Briana Scurry is on a Mission to Educate Youth Soccer Players on Concussions)
Briana Scurry, former goalkeeper for the U.S. Women's National Soccer Team, discusses her experience with a career-ending concussion and her efforts to raise awareness of the concussions.
Crash Course
Protests East and West: Crash Course European History
The post-World War II decades in Europe are sometimes called the Thirty Glorious Years. As those years wore on, tensions between East and West grew, and economic growth slowed or was unevenly distributed across Europe, protests and...
Crash Course
Sega and More Mature Video Games: Crash Course Games
So we ended the last episode nearing the close of the 1980s and Nintendo had become the dominant player in the home console market, but Sega, originally a slot machine game company during World War 2, was looking to get its own console...
Crash Course
Ma'ui, Oceania's Hero: Crash Course World Mythology
In which Mike Rugnetta teaches you about Ma'ui, prominent hero of many cultures in Oceania, aka the Pacific Island nations. Ma'ui is just the kind of hero we're interested in here at Crash Course. He's a culture hero, he's a an...
SciShow Kids
Why Do We Have Baby Teeth?
Have you ever lost a tooth? Or maybe you have teeth that are getting a little wiggly? It's all part of growing up! Join Jessi and Squeaks to learn why we lose our baby teeth and how we can take care of our new permanent teeth! Say cheese!
TED-Ed
TED-Ed: Which voting system is the best?
Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to choose its location. Of the 100 colonists on Mars, 42 live on West Base, 26 on North Base, 15 on South Base, and 17 on...
MinutePhysics
Complete Solution To The Twins Paradox
This video is about the famous 'Twins paradox' of special relativity, how time can appear to be faster for two different observers at the same time, and which twin really is older (or younger) - the one who stays on earth or the one who...
SciShow
Laser Fusion Is It Back to the Future Yet
Hank remembers Back to the Future and tells us about his favorite word combination--lasers and fusion.
PBS
When Fish Wore Armor
420 million years ago, some fish were more medieval. They wore armor, sometimes made of big plates, and sometimes made of interlocking scales. But that armor may actually have served a totally different purpose, one that many animals...
SciShow
The Unbelievably Tough Animals of Lake Natron
With its caustic red waters, Lake Natron doesn’t seem like the ideal place to call home. But some creatures have evolved amazing adaptations that help them survive and thrive in this alkaline lake.
Crash Course
Wait For It...The Mongols! Crash Course World History
In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally...
SciShow
Ancient Plagues & A New Pandemic
Hank explores the science behind the topics of the day, including a look at the current "pandemic" of concussions in professional sports and new insights into what really caused the worst plagues in human history, and what it portends...
SciShow
4 Real Inventions Inspired by Science Fiction
Where science fiction becomes science fact - that is the place Hank is exploring in today's episode of SciShow. Many inventions we use today were first imagined in stories that described fantastical futures. Hank talks about the origins...
SciShow
6 Surgical Devices Inspired by Nature
From the sharp mouthparts of mosquitoes to the sticky feet of geckos, researchers have found all kinds of amazing adaptations in the natural world that could be useful in the operating room. Chapters WASPS & TISSUE EXTRACTORS 2:05...
SciShow
Does Thinking Hard Burn More Calories?
Your brain uses tons of calories, just in its daily work of keeping you alive. So does thinking extra hard use even MORE calories? QQ fills you in!
SciShow
Counting Species out of Thin Air
Recent proof-of-concept studies showed that researchers were able to survey animals in an area simply by vacuuming up DNA in the air.