TED Talks
TED: Why it's too hard to start a business in Africa -- and how to change it | Magatte Wade
Many African countries are poor for a simple reason, says entrepreneur Magatte Wade: governments have created far too many obstacles to starting and running a business. In this passionate talk, Wade breaks down the challenges of doing...
SciShow
Why Do Heart Cells Turn into Bone?
It's no surprise that heart tissue and bone tissue have really different jobs. So why does it happen?
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.
TED Talks
James Cameron: Before Avatar ... a curious boy
James Cameron's big-budget (and even bigger-grossing) films create unreal worlds all their own. In this personal talk, he reveals his childhood fascination with the fantastic -- from reading science fiction to deep-sea diving -- and how...
TED Talks
TED: The surprising solution to ocean plastic | David Katz
Can we solve the problem of ocean plastic pollution and end extreme poverty at the same time? That's the ambitious goal of The Plastic Bank: a worldwide chain of stores where everything from school tuition to cooking fuel and more is...
TED-Ed
TED-Ed: Attack of the killer algae - Eric Noel Munoz
As benign as it may look up close, the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Munoz gives the details of...
SciShow
How Do Marine Mammals Hold Their Breath For So Long?
How is it possible for air-breathing marine mammals like sperm whales and elephant seals to hold their breath for so long?
SciShow
How Can We Clean Up the Oceans?
Plastic is a huge problem in the oceans, but engineers and research groups are working on how to deal with it. Hank describes some of the leading proposed solutions.
SciShow
5 Ecosystems Thriving in the Least Likely Places
Around the world, living things have managed to build truly extraordinary ecosystems in some of the last places you would think to look. Understanding these ecosystems can help us protect or repair them, and it can also help us...
TED-Ed
TED-ED: Why are blue whales so enormous? - Asha de Vos
Blue whales are the largest animals on the planet, but what helps them grow to the length of a basketball court? Asha de Vos explains why the size of krill make them the ideal food for the blue whale -- it's as if the blue whale was made...
MinutePhysics
The Tides Explained in Ten Seconds
The sun also causes tides on the earth, but they're only about half as strong as the moon's. When the sun & moon line up during full & new moons, tides are extra big.
TED-Ed
TED-Ed: These animals are also plants ... wait, what? | Luka Seamus Wright
The species of slug known as Elysia chlorotica may not look like much— it resembles a bright green leaf— but it's one of the most extraordinary creatures on our planet. Living in marshes along the coast of North America, it can go about...
SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
Be Smart
Why is the sky any color?
Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is...
Bozeman Science
Stickleback Evolution
Paul Andersen describes microevolution and macroevolution in the stickleback fish of Loberg Lake. He describes how anadramous fish repopulated the lake after poisoning and adapted to the new environment through natural selection. He also...
TED Talks
TED: The secrets I find on the mysterious ocean floor | Laura Robinson
Hundreds of meters below the surface of the ocean, Laura Robinson probes the steep slopes of massive undersea mountains. She's on the hunt for thousand-year-old corals that she can test in a nuclear reactor to discover how the ocean...
SciShow
Carnivorous Sponges — So That's a Thing
There aren't many creatures as safe and chill as the humble sea sponge, right? Well, not so fast! It turns out there's a whole family of carnivorous sponges that trap and eat small animals using spines and migrating stomaches!
MinuteEarth
Climate Change - The View From MinuteEarth - #OursToLose
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: greenhouse gases, climate change, radiative forcing,
SciShow
6 of the Biggest Single-Celled Organisms
When you picture a single cell, you probably imagine something super tiny that you had to look at through a microscope. But, there are some huge exceptions to this rule. And we really do mean huge. Chapters Stentor coeruleus 1:27 Gromia...
TED-Ed
The sharks that hunt in forests | Luka Seamus Wright
Forests don't usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the world's sharks. Mangrove forests in particular function as an essential bridge between land and sea and have evolved various...
SciShow Kids
Meet the Microanimals!
Meet some of the world’s tiniest animals -- micro-animals, that can live at the bottom of the ocean, on our skin, even in space!
SciShow
Learning About Lightning from Superbolts
If you ask someone to picture a thunderstorm, chances are they will have no problem slipping into a memory of dark clouds and bright flashes screaming out from them. But, incredibly, they’re probably picturing the tame version of...
PBS
What Physics Teachers Get Wrong About Tides!
We all know tides have something to do with gravity from the Moon and Sun, but if gravity affects the motion of all objects equally, then how come oceans have large tides while other bodies of water don't? It's because your mental...
SciShow Kids
5 Reasons Why Dolphins Are Awesome
Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids.