PBS
How Ancient Whales May Have Changed the Deep Ocean
It looks like the evolution of ocean-going whales like Borealodon may have affected communities found in the deep ocean, like the ones found around geothermal vents. And it turns out that when a whale dies, that’s just the beginning of...
SciShow
How Do Skiers Win Races?
Winning an alpine skiing race can come down to a tiny margin, so the skiers have to make sure they prepare their skis just right!
SciShow
How Can E. coli Help Save Humanity?
The name "E. coli" is enough to strike terror into the stomachs of anyone who has experienced food poisoning. But some strains of this bacteria don't actually make you sick, and have turned out to be useful tools for bioengineers.
SciShow
The Lost City and the Origin of Life | Weird Places
Hydrothermal vents are some of the most extreme environments on the planet. But in 2000, scientists discovered a vent unlike any other, one that spews white smoke and is 10 times older. And some think it may help us understand how all...
SciShow
Maybe Life Doesn't Need Water, After All
Scientists have been searching for alien life by honing in on the existence of liquid water, but we might be overlooking some types of life out there that doesn't need water at all.
SciShow
Secrets of Life from A Giant Pool of Asphalt | Weird Places: Pitch Lake, Trinidad
Trinidad's Pitch Lake is a huge, oily, and filled with millions of tons of asphalt. It may not sound like a great place to live, but the lake is teeming with microscopic life! And learning more about these organisms could give us insight...
TED Talks
Juan Enriquez: Using biology to rethink the energy challenge
Juan Enriquez challenges our definition of bioenergy. Oil, coal, gas and other hydrocarbons are not chemical but biological products, based on plant matter -- and thus, growable. Our whole approach to fuel, he argues, needs to change.
SciShow
New Rovers: A Robot Eel and a Submarine!
NASA's looking to send a giant robotic space eel to explore Europa, and a submarine to Titan. Let's go for a swim!
TED-Ed
TED-Ed: What's the best fuel for your car? | TED-Ed
Historically, most cars have run on gasoline, but that doesn't have to be the case in the future: other liquid fuels and electricity can also power cars. So what are the differences between these options? And which one's best? Dig into...
SciShow
Facts About Fracking
Hank gives us a summary of the important facts about fracking: what it is, why we do it, and how it actually isn't all butterflies and cupcakes.
SciShow
Could Humans Ever Breathe Water?
Wouldn’t it be wonderful if we could breathe underwater? But is it even possible?
TED-Ed
TED-ED: How do we separate the seemingly inseparable? - Iddo Magen
Your cell phone is mainly made of plastics and metals. It's easy to appreciate the process by which those elements add up to something so useful. But there's another story we don't hear about -- how did we get our raw ingredients in the...
Crash Course
Alkenes & Alkynes - Crash Course Chemistry
Today Hank talks about the deliciousness of alkenes & alkynes, their structures, and how to remember which is which by simply knowing the alphabet. Also, he breaks down hydrogenation, halogenation, polymerization, and triglycerides all...
Crash Course
Hydrocarbon Power! - Crash Course Chemistry
In which Hank introduces us to the world of Organic Chemistry and, more specifically, the power of hydrocarbon. He talks about the classifications of organic compounds, the structures & properties of alkanes, isomers, and naming an...
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
Curated Video
Methane
A colourless and odorless gas that belongs to the alkane group of hydrocarbons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Chlorofluorocarbons
A class of compounds based on simple hydrocarbons like ethane, methane and propane, in which hydrogen atoms are replaced by chlorine and fluorine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Cracking
Reactions used in the oil industry to break down large hydrocarbon molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Hydrocarbons
Any organic compound composed only of carbon and hydrogen. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Crude oil
A naturally occurring thick brown liquid, composed of a mix of hydrocarbons, and usually found deep underground. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Factpack: Hydrocarbons
An introduction to hydrocarbons. Learn how unreactive alkanes can be made into reactive alkenes. Chemistry - Chemical Industries - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or...
Curated Video
Clearing Oil Spills
We investigate the effectiveness of different methods to clear oil spills from water. First, we try to burn the oil in a sample of water using a gas lighter but there is no effect. Next, we break the oil up using detergent but this does...
Curated Video
Fossil Fuels: Formation
Where does our natural gas, coal and oil actually come from? Discover the processes that created our modern fossil-fuel reserves, which began millions of years ago. Earth Science - Earth's Resources - Learning Points. Fossil fuels are...
Curated Video
Catalyst
A substance that increases the rate of a chemical reaction without itself being permanently changed or used up. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...