TED-Ed
TED-Ed: When are you actually an adult? | Shannon Odell
Most countries recognize 18 as the start of adulthood by granting various freedoms and privileges. Yet there's no exact age or moment in development that we can point to as having reached full maturity. If there's no consensus on exactly...
Bozeman Science
Coupled Reactions
Paul Andersen explains the importance role of coupled reactions in biology. He starts by explaining how the power of a river can be harnessed by a water mill to grind grains. He describes the importance of ATP and how it is used within...
SciShow
Making Reactions Go Faster Since the 1700s | Great Minds: Elizabeth Fulhame
The chemical process of catalysis happens in a myriad of places in our modern world - from industry to inside your cells. Our knowledge of catalysis today springs from Elizabeth Fulhame, who over 225 years ago became the first person to...
SciShow
Why Does Crying Make You Feel Better?
Have you ever wondered why you feel better after a good, hearty sob? Well, it turns out the reasons are kind of a mystery, and they range from social support to brain temperature.
SciShow
Spotted One of the Fastest Pulsars Ever Seen SciShow News.mp4
Astronomers have found a new celestial object, and it's moving really, really fast!
SciShow
Why Did the Rooster Lose Its Penis?
Why did so many birds ditch penises? Maybe it was natural or sexual selection, an accident, or in exchange for something way more useful to them. Whatever the reason, penis loss goes to show that internal fertilization doesn’t require a...
Crash Course
Why It's So Hard To Make Better Batteries: Crash Course Engineering #32
There are batteries powering so many parts of our everyday lives, so today we’re going to talk about how they work and how we can make them better. We’ll explain how they provide power by discharging ions between a cathode and an anode,...
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...
TED Talks
TED: How we could make carbon-negative concrete | Tom Schuler
Concrete is all around us: we use it to build our roads, buildings, bridges and much more. Yet over the last 2,000 years, the art of mixing cement and using it to bind concrete hasn't changed very much -- and it remains one of the...
Crash Course
Redox Reactions: Crash Course Chemistry
All the magic that we know is in the transfer of electrons. Reduction (gaining electrons) and oxidation (the loss of electrons) combine to form Redox chemistry, which contains the majority of chemical reactions. As electrons jump from...
Crash Course
Photosynthesis: Crash Course Biology
Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well.
Crash Course
Carboxylic Acid Derivatives - Interconversion & Organometallics: Crash Course Organic Chemistry
We get it, learning so many different organic reactions is probably giving you a headache, but hopefully this episode can help! We’re getting even deeper into carboxylic acid derivatives, some of which are used in common headache...
Bozeman Science
Redox Reactions
In this video Paul Andersen explains how redox reactions are driven by the movement of electrons from the substance that is oxidized to the substance that is reduced. Oxidation is the loss of electrons and reduction is the gaining of...
TED Talks
TED: Europe's plan to become the first carbon-neutral continent | Ursula von der Leyen
With the ambitious goal of becoming the first carbon-neutral continent by 2050, the European Union has committed to creating a greener world for future generations. In this bold talk, Ursula von der Leyen, President of the European...
Amoeba Sisters
Fermentation
What happens when you can't do aerobic cellular respiration because oxygen isn't available? Explore fermentation with The Amoeba Sisters! This video focuses on alcoholic fermentation and lactic acid fermentation, and it also mentions how...
Bozeman Science
Electrochemistry
In this video Paul Andersen explains how electrochemical reactions can separate the reduction and oxidation portions of a redox reactions to generate (or consume) electricity. The half reactions can be analyzed to determine the potential...
Crash Course
Electrochemistry: Crash Course Chemistry
Chemistry raised to the power of AWESOME! That's what Hank is talking about today with Electrochemistry. Contained within, Hank discusses electrochemical reactions, half reactions, how batteries work, galvanic cells, voltage, standard...
Curated Video
I WONDER - How Does Recycling Metals Reduce Air Pollution?
This video is answering the question of how does recycling metals reduce air pollution.
Curated Video
Sadhguru's Plan to plant 2.42 BILLION trees
Permaculture Instructor Andrew Millison visits the largest reforestation project in the world in the Southern Indian States of Tamil Nadu and Karnataka with the Isha Foundation, founded by Sadhguru. Andrew spent 5 days traveling around...
Curated Video
Unsaturated fats
Fats in which there is at least one double bond between carbon atoms in the carbon chain. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Denitrification
The process by which nitrate compounds in the soil are converted to free nitrogen in the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Reduction
Any chemical reaction in which oxygen is removed from a substance. 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
Redox reaction
A reaction in which oxidation and reduction occur together. 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
Factpack: Non-Edible Crops
As well as being foodstuffs, some common crops have surprising uses. Biology - Plants - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of a...