MinuteEarth
Where Does One Ocean End And Another Begin?
Earth's ocean water is continuous. How can we divide it into sections that are more useful?
TED Talks
TED: Saving the ocean one island at a time | Greg Stone
Aboard Mission Blue, scientist Greg Stone tells the story of how he helped the Republic of Kiribati to create an enormous protected area in the middle of the Pacific -- protecting fish, sealife and perhaps the island nation itself.
TED-Ed
TED-Ed: Can you solve the airplane riddle? - Judd A. Schorr
Professor Fukan_, the famous scientist, has embarked on a new challenge - piloting around the world in a plane of his own design. There's just one problem: there's not enough fuel to complete the journey. Luckily, there are two other...
TED Talks
TED: How animals and plants are evolving in cities | Menno Schilthuizen
In cities, evolution occurs constantly, as countless plants, animals and insects adapt to human-made habitats in spectacular ways. Evolutionary biologist Menno Schilthuizen calls on peculiar beings such as fast food-loving mice and...
Crash Course
When is Thanksgiving Colonizing America Crash Course US History
In which John Green teaches you about the (English) colonies in what is now the United States. He covers the first permanent English colony at Jamestown, Virginia, the various theocracies in Massachusetts, the feudal kingdom in Maryland,...
SciShow
The Fish that Strolls on the Sea Floor
We may never know when our ancestors walked out of the water into dry land. But it's possible they may have been walking in water for millions of years!
TED Talks
TED: The "greenhouse-in-a-box" empowering farmers in India | Sathya Raghu Mokkapati
For smallholder farmers in India, agriculture has long been an unreliable source of income -- crops that flourish one season can fail the next, thanks to heat, pests and disease. But climate risk is now making the profession nearly...
TED Talks
TED: What moral decisions should driverless cars make? | Iyad Rahwan
Should your driverless car kill you if it means saving five pedestrians? In this primer on the social dilemmas of driverless cars, Iyad Rahwan explores how the technology will challenge our morality and explains his work collecting data...
TED Talks
TED: What seaweed and cow burps have to do with climate change | Ermias Kebreab
Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less -- ahem -- gassy? Animal scientist Ermias Kebreab...
SciShow
9 Extreme Bug Mating Rituals
Welcome to the romantic, violent, treacherous, and murderous mating lives of bugs.
TED Talks
TED: A "forest generation" living in harmony with nature | Ernestine Leikeki Sevidzem
We need to care for and live in harmony with the environment, says climate and gender activist Ernestine Leikeki Sevidzem. The best way to do that? Nurture a forest generation: one that learns to protect nature. Sevidzem shares how she's...
SciShow
Colonizing Venus with Giant Balloons
A lot of people talk about humans colonizing Mars, but what about Venus?
SciShow
Aquatic Animals That Live in Trees
Fish in a tree? How can that be? For some aquatic creatures, it's not necessarily bad to be a fish out of water.
PBS
When Fish First Breathed Air
385 million years ago, a group of fish would undertake one of the most important journeys in the history of life and become the first vertebrates to live on dry ground. But first, they had to acquire the ability to breathe air.
TED Talks
Ayana Elizabeth Johnson: A love story for the coral reef crisis
Over the course of hundreds of scuba dives, marine biologist Ayana Elizabeth Johnson fell in love -- with a fish. In this ode to parrotfish, she shares five reasons why these creatures are simply amazing (from their ability to poop white...
Crash Course
Eastern Europe Consolidates: Crash Course European History
While the focus has been on Western Europe so far, there has also been a lot going on in Eastern Europe, which we'll be looking at today. The Commonwealth of Poland-Lithuania, The Ottoman Empire, and Russia were all competing at the...
MinuteEarth
Why Most Rain Never Reaches The Ground
Less than half of the rain that falls from a cloud makes it all the way to the ground – because a lot evaporates while falling or after landing in treetops. Thanks to Georgia Southern University for sponsoring this video. You can see...
Crash Course
How Do Oceans Circulate? Crash Course Geography
Today, we're going to take a closer look at how the oceans circulate by following the life of a discarded water bottle as it gets snagged in the North Pacific Garbage Patch. We'll talk about what causes the movement of water, called...
TED-Ed
TED-Ed: New Colossus by Emma Lazarus
An animated interpretation of Emma Lazarus' poem "New Colossus"
TED Talks
TED: A new way to restore Earth's biodiversity -- from the air | Susan Graham
Land restoration is about more than planting trees, says environmentalist Susan Graham. Check out how her team combines drone technology with ecology-trained AI to restore degraded land and revive complex, biodiverse ecosystems --...
TED-Ed
TED-ED: The power of creative constraints - Brandon Rodriguez
Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn't it?
SciShow
A Brief History of Life: Dinosaur Time!
The Great Dying hit life hard, but the species that survived took over the planet and diversified into many interesting forms, including the dinosaurs!
SciShow
Basically Every Mammal Is Good at Swimming... Except Us
From the world’s biggest land animal to a creature built more like a tank than a sub, meet seven mammals that you might not think can swim well, but do! CHAPTERS View all MOOSE 1:33 2 ELEPHANTS 3:21 ARMADILLOS 4:54 CAMELS 5:32 6 SLOTHS 9:03
Be Smart
How Many Species Are There?
How many species are there on Earth? In biology, this is one of a fundamental question that we still don't have a very good answer for. Imagine if chemists didn't know all the elements of the periodic table, or if physicists didn't know...