PBS
When Giant Fungi Ruled
420 million years ago, a giant feasted on the dead, growing slowly into the largest living thing on land. It belonged to an unlikely group of pioneers that ultimately made life on land possible -- the fungi.
SciShow Kids
Glowing Ocean Animals!
Jessi and Squeaks discover some amazing ocean creatures, ones that glow by themselves!
TED Talks
TED: How to protect fast-growing cities from failing | Robert Muggah
Worldwide, violence is on the decline, but in the crowded cities of the global south — cities like Aleppo, Bamako and Caracas — violence is actually accelerating, fueled by the drug trade, mass unemployment and civil unrest. Security...
Crash Course Kids
Food Webs
Last time we put a Polar Bear in the desert and we still feel bad about that, but there's a lot more going on in ecosystems than just temperature. In fact, there are so many elements in ecosystems, that if just one leaves or gets out of...
TED Talks
TED: Maps that show us who we are (not just where we are) | Danny Dorling
What does the world look like when you map it using data? Social geographer Danny Dorling invites us to see the world anew, with his captivating and insightful maps that show earth as it truly is -- a connected, ever-changing and...
Crash Course
Globalization and Trade and Poverty: Crash Course Economics
What is globalization? Is globalization a good thing or not. Well, I have an answer that may not surprise you: It's complicated. This week, Jacob and Adriene will argue that globalization is, in aggregate, good. Free trade and...
SciShow
Invasive Species The Story of Bunny
Hank tells us the story of bunny and planet Wonderful, and the impacts of exotic invasive species on ecosystems while introducing us to a couple interesting individuals.
TED Talks
Wade Davis: Dreams from endangered cultures
With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.
Crash Course
The Silk Road and Ancient Trade Crash Course World History
The Silk Road and Ancient Trade: In which John Green teaches you about the so-called Silk Road, a network of trade routes where goods such as ivory, silver, iron, wine, and yes, silk were exchanged across the ancient world, from China to...
Crash Course Kids
Let's Take a Hike
Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and...
TED Talks
Lucianne Walkowicz: Let's not use Mars as a backup planet
Stellar astronomer and TED Senior Fellow Lucianne Walkowicz works on NASA's Kepler mission, searching for places in the universe that could support life. So it's worth a listen when she asks us to think carefully about Mars. In this...
Crash Course
The Global Carbon Cycle - Crash Course Chemistry
In this final episode of Crash Course Chemistry, Hank takes us on a tour of the The Global Carbon Cycle and how it all works. From Carbon Fixation to Redox Reactions, it's all contained within! -- Table of Contents The Carbon Cycle 0:51...
Crash Course Kids
Home Sweet Habitat: Crash Course Kids
How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this...
SciShow Kids
Check Out the Great Barrier Reef!
Barrier reefs are home to all kinds of amazing animals, but did you know that the coral itself is an animal? Join Jessi and Squeaks to learn all about coral and the longest coral reef in the world, The Great Barrier Reef!
Crash Course Kids
Fabulous Food Chains
Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first...
Be Smart
The Romantic Lure of Moonlight
Organisms of all shapes and sizes synchronize their behaviors using biological clocks. Some keep pace with the daily rising and setting sun using circadian rhythms. Others use annual cycles or the changing seasons as their cue. But many...
Curated Video
Indus Valley Civilization: Crash Course World History
In which John Green teaches you about the Indus Valley Civilization, one of the largest of the ancient civilizations. John teaches you the who, how, when, where and why of the Indus Valley Civilization, and dispenses advice on how to be...
Crash Course Kids
Climate Change
How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw...
TED Talks
TED: What makes a good life? Lessons from the longest study on happiness | Robert Waldinger
What keeps us happy and healthy as we go through life? If you think it's fame and money, you're not alone - but, according to psychiatrist Robert Waldinger, you're mistaken. As the director of a 75-year-old study on adult development,...
SciShow Kids
Lichen Two Living Things In One Biology for Kids
Join Jessi this week at the fort and learn about the unexpectedly awesome organism that's made up of two living things: LICHEN!
SciShow Kids
It’s Alive! Biology for Kids
You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how...