Amoeba Sisters
Carbon and Nitrogen Cycles
Explore the cycling of carbon among carbon reservoirs! Then discover the importance of nitrogen, essential for amino acids and nucleotides, and learn about the nitrogen cycle! Expand details for table of contents. Table of Contents:...
SciShow
5 Unusual Places to Look for Life | Compilation
From "superhabitable planets" that can potentially sustain life longer than earth to rogue planets that don't even orbit a star, we’ve talked about some strange places that could host extraterrestrial life over the last few years. Here...
Crash Course
Radical Reactions Hammonds Postulate - Crash Course Organic Chemistry
Throughout this series we’ve mostly talked about pairs of electrons, but electrons don’t always have a buddy. An atom or group of atoms with a single unpaired electron is called a radical. In this episode of Crash Course Organic...
SciShow
The Secret Ingredient in Ruminant Spit
Every day, humans literally flush a valuable resource down the toilet: nitrogen. But there are some animals that have figured out a way to recycle the extra nitrogen in their bodies by moving it not to their livers, but to their mouths!
SciShow
Urinal Cakes: Why?
If you happen to be a frequenter of urinals, odds are you've seen one that has a little block at the bottom of it. But what does it do and why are you peeing on it?!
SciShow
Why You Can't Really Sweat Out Toxins
The human body has a few built-in methods for getting rid of toxins. Sweating seems like it should be one of them, but it isn't doing as much as you think.
SciShow
Why Do Your Eyes Get Red in the Pool?
It's not just chlorine that irritates your eyes in a pool. It's actually something a lot more disgusting
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
Equilibrium: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and...
SciShow
6 Toilets From History, and What They Taught Us
Across the world, and throughout history, different peoples have developed different ways to deal with their own waste. And while they didn’t always nail the design, their efforts to keep themselves safe have led to the thrones and...
SciShow
3 World-Changing Biology Experiments
Hank tells us the stories of three experiments in biology that, with creativity and luck, changed science & the world with it in their work to solve the mysteries of the universe.
SciShow
Getting To Know Cows Inside and Out | Compilation
From being able to eat grass, to changing the weather with their burps: Cows are incredible creatures!
Crash Course
Equilibrium Equations: Crash Course Chemistry
In which Hank shows you that, while it may seem like the Universe is messing with us, equilibrium isn't a cosmic trick. Here, he shows you how to calculate equilibrium constant & conditions of reactions and use RICE tables all with some...
TED Talks
TED: The carbonless fuel that could change how we ship goods | Maria Gallucci
Every day, tens of thousands of cargo ships, filled to the brim with goods, release heavy pollution into the air as they make their way across the ocean. In this eye-opening talk, reporter Maria Gallucci introduces a planet-friendly...
Crash Course
The Excretory System: From Your Heart to the Toilet - CrashCourse Biology
Hank takes us on the fascinating journey through our excretory system to learn how our kidneys make pee.
Bozeman Science
Equilibrium
In this video Paul Andersen explains how equilibrium is achieved in a reversible reaction. When the rate of the forward reaction is equal to the rate of the reverse reaction the system is at equilibrium. Graphical analysis of equilibrium...
Crash Course
Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology
Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles.
TED-Ed
TED-ED: The chemical reaction that feeds the world - Daniel D. Dulek
How do we grow crops quickly enough to feed the Earth's billions? It's called the Haber process, which turns the nitrogen in the air into ammonia, easily converted in soil to the nitrate plants need to survive. Though it has increased...
SciShow
Take a Tour of Jupiter and Saturn
If you could pilot a spaceship into Jupiter and Saturn, would you ever hit anything solid? And what's it like in there? SciShow Space takes you on a tour of the two biggest gas giants in the solar system.
Curated Video
Molecules, compounds and types of chemical bonds
What is the difference between a molecule and a compound? What are the main types of chemical bonds? In this video, we will be answering those questions and more.
Curated Video
Comet
A small icy body in the Solar System, with a solid nucleus of rock, dust, ice, and frozen gases such as carbon dioxide, carbon monoxide, and ammonia. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Primeval soup
Or primordial soup, refers to the medium in which the first life on Earth may have originated. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Nitrates: Food Preservatives
Potassium nitrate is a natural substance found in your food, or in an exploding firework. What makes it so versatile? Chemistry - Chemical Industries - Learning Points. Potassium nitrate preserves our food and is a component of...
Curated Video
Urea
An organic compound containing nitrogen that plays an important role in animal metabolism, and is excreted in the urine of mammals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...