PBS
How Many States Of Matter Are There?
Let’s talk about states of matter. You know your states of matter don’t you? We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium, time crystals, and sand. Come to...
PBS
Gov. Markell: Hiring More People With Disabilities Is Good for the Bottom Line (August 2, 2013)
A new report from the National Governor's Association says states should do more to employ the 54 million Americans living with a disability, among whom only 20 percent are currently employed or looking for a job. Judy Woodruff...
PBS
Author Robert McCrum Explains How English Has Taken Root Worldwide (Jul. 23, 2010)
"Globish" Author Robert McCrum explains why the English language went global and how it has become the first worldwide language.
PBS
How Social Entrepreneurs Use Rice Husks to Fuel Micro Power Grids in India (January 17, 2013)
India suffers from chronic power interruptions and failures stemming from energy policies created to court voter blocs. Special correspondent Fred de Sam Lazaro reports on efforts by social entrepreneurs to solve part of India's power...
PBS
Poet Sherman Alexie Talks 'Faces' & 'War Dances' (Oct. 22, 2009)
Author Sherman Alexie talks about his new book of poetry called "Faces" and his new short story collection, "War Dances."
Crash Course
Aliens: Crash Course Film Criticism
James Cameron rocketed onto the action film scene with 1984's "The Terminator" and followed that up with a highly anticipated sequel to the 1979 film, "Alien." His film, "Aliens," would go on to not only be a financial success, but a...
SciShow
Do You Need 10,000 Steps a Day?
There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...
PBS
Should We Colonize Venus Instead of Mars?
Mars One. The Mars Rover. Bruno Mars. Mars Bars. It's pretty clear we're OBSESSED with the idea of Mars, especially in regard to it being a potential colony for earthlings. But is that really the best option? Is there a better place for...
Be Smart
Title: The Recipe For Life
If the human body could be distilled down into one molecule, what would our chemical formula be? And WHY is it that way? There’s a whole lot of elements on the periodic table, but life depends on relatively few of them in order to...
Be Smart
How Well Do Masks Work? (Schlieren Imaging In Slow Motion!)
Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you want to help protect other people and have them protect you… that we’re all in this together. Here’s some...
Be Smart
Do Fish Pee?
You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?
Crash Course
Federalism: Crash Course Government and Politics
In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the...
Curated Video
What's the One Thing You Can Do To Survive a Tsunami?
While tsunamis happen all over the world, really big ones are rare. But, they can be truly devastating. And what’s more, the West Coast of North America is overdue for a subduction zone earthquake and tsunami that has the potential to be...
Curated Video
How Hurricane History Has Hidden What's Coming
Both climate models and the laws of physics are clear: more greenhouse gasses in the atmosphere means warmer air and oceans, which means more energy for bigger, stronger hurricanes. So why haven’t we seen a clear signal from climate...
Curated Video
Want to Solve Wildfires and Drought? Leave it to BEAVERS!
The charismatic beaver is more than a charming, vegetarian stream-dweller. it’s actually a master architect, capable of restoring rivers, bringing back dwindling fish populations and even preventing wildfire. Travel with host Joe Hanson...
Curated Video
What Makes These Dunes Sing?
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
Curated Video
Earth’s Climate Has Always Changed. Why All the Fuss?
If you take a look at global temperature graphs that span millions or billions of years, you can see that our planet’s temperature has made wild swings. In fact, the Earth used to be completely covered in snow and ice! So, what’s the big...
Curated Video
Why Are So Many of Gray Whales Washing Ashore?
From Mexico all the way up to Alaska, hundreds of gray whales have been washing up ashore. The deaths peaked in 2019, and the numbers were so significant that it led scientists to call it an Unusual Mortality Event (UME) which kicked...
Curated Video
Was This Really a 1 in 700,000,000,000 Year Event?!
For decades, Antarctic sea ice trends seemed to defy climate change, until…they didn’t. In just two years, Antarctica lost as much sea ice as the Arctic lost in three decades. Statistics say that the record low sea ice in 2023 was a 1 in...
Curated Video
How to Avoid Running Out of Water
Fresh water issues are getting harder to ignore. In the next five years, half the world’s population will live in a water-stressed area. Drought-stricken cities like San Francisco have started requiring large commercial building to...
Curated Video
What If Our Clothes Could Disrupt Surveillance Cameras?
What do you get when you combine mass surveillance with A.I.? It’s a dystopia that’s already a reality in places across the world. Fashion designers are pushing back, crafting clothing and accessories that trick facial recognition...
Curated Video
How to Stop Aging (and Should We?)
What is the future of aging? People aren’t dying as early or as easily as they used to. Innovations in medicine, health, and hygiene have helped us extend our lives by decades, but what comes next? Would you rather live to be a hearty...