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PBS
When we talk about North Korea, we forget whatâs happening to its people
When Min Jin Lee sees the latest headlines about nuclear weapons in North Korea, she thinks of her father, who fled the republic when he was 16, and lost touch with his family. And Lee thinks of not just the remains of her family still...
PBS
In desperate quest to reach U.S., Central American migrants fear gangs, police
Around 3,000 Hondurans are currently traveling through Guatemala on their way to the U.S. President Trump has threatened to close the U.S.-Mexico border if the caravan isn't stopped. But migrants say they fear not just deportation, but...
PBS
Racial Protests Mean Africa Takes Another Look At The U.S. — And Itself
Protests over the killing of George Floyd have struck a global chord. Across the African continent, they have sparked not only demonstrations, but also a new examination of the roles of race, colonialism and exploitation through the...
PBS
In Europe, business booms when cruise ships arrive -- but is it worth the bother?
Cruise liners offer scenic views you can’t replicate from land, but they also cause downstream consequences. In Europe, some beautiful waterfront cities are joining forces to limit the impact of thousands of passengers being disgorged...
PBS
Why a grandmother and grandson are visiting every U.S. national park
92-year-old Joy Ryan and her grandson Brad Ryan have spent the past seven years crisscrossing the U.S. with the goal of visiting every national park. “Grandma Joy’s Road Trip,” as they call it on social media, began after Brad found out...
PBS
This poet's guide dog helped him discover a new world
Born with a condition that left him legally blind and in a family that kept his disability hidden, it wasn't until poet and professor Stephen Kuusisto was in his late 30s that he decided to train with a guide dog. Jeffrey Brown talks...
PBS
The Geometry of Causality
Using geometry we can not only understand, but visualize how causality dictates the order of events in our universe.
MinutePhysics
The Astounding Physics of N95 Masks
SciShow
Bioprecipitation: How Bacteria Makes Snow
Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria.
MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
TED-Ed
The artist who won a Nobel Prize... in medicine | Melanie E. Peffer
In the 1860s, scientists believed they were on the verge of uncovering the brain's biggest secret: how the brain's signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But...
SciShow
5 of Earth's Weirdest Lakes | Compilation
Our planet is full of beautiful places, but it’s also full of wonderfully weird places. We've put together some of our favorite episodes about our planet’s weirdest lakes!
PBS
Superluminal Time Travel + Time Warp Challenge Answer
By choosing the right path and the right reference frames, any superluminal motion can lead to information or objects returning to their origin before they depart.
TED-Ed
TED-Ed: How epic solar winds make brilliant polar lights - Michael Molina
Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with...
SciShow
The Truth About Painkillers and Empathy, and a Hyperloop Test!
Does science tell us that Tylenol is changing our personalities? The short answer is 'no'. And learn about advances in transportation technology in this SciShow news.
TED Talks
TED: Super speed, magnetic levitation and the vision behind the hyperloop | Josh Giegel
What if your hour-long commute was reduced to just minutes? That's the promise of the hyperloop: a transit system designed around a pod that zooms through a vacuum-sealed space (roughly the size of a subway tunnel) at hyper-speed,...
TED-Ed
TED-ED: What in the world is topological quantum matter?
David Thouless, Duncan Haldane, and Michael Kosterlitz won the Nobel Prize in Physics in 2016 for discovering that even microscopic matter at the smallest scale can exhibit macroscopic properties and phases that are topological. But -...
TED-Ed
TED-Ed: Poison vs. venom: What's the difference? - Rose Eveleth
Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both of these animals are capable of doing some serious damage to the human body, they deliver their dangerous toxins in different ways. Rose...
TED-Ed
TED-Ed: Yes, scientists are actually building an elevator to space | Fabio Pacucci
Sending rockets into space requires sacrificing expensive equipment, burning massive amounts of fuel, and risking potential catastrophe. So in the space race of the 21st century, some engineers are abandoning rockets for something more...
Crash Course
Everything, The Universe ...And Life
Here it is, folks: the end. In our final episode of Crash Course Astronomy, Phil gives the course a send off with a look at some of his favorite topics and the big questions that Astronomy allows us to ask.
TED-Ed
TED-Ed: What is phantom traffic and why is it ruining your life? - Benjamin Seibold
You’re cruising down the highway when all of a sudden endless rows of brake lights appear ahead. There’s no accident, no stoplight, no change in speed limit, or narrowing of the road. So why is there so much traffic? It's due to a...
SciShow
The Scientist Who Made the Internet Possible | Great Minds: Narinder Singh Kapany
Thanks to Qualcomm for sponsoring a portion of this video.
TED-Ed
TED-Ed: The secret messages of Viking runestones | Jesse Byock
With their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their might, they left few monuments. Instead, fragments of stone, bark and bone found in the sites of ancient...