TED Talks
TED: The molecular love story that could help power the world | Olivia Breese
The key to revolutionizing the world's energy landscape may lie in an unlikely love story, says energy innovator Olivia Breese. She details the fateful marriage of a green electron and a water molecule -- a powerful source of...
MinuteEarth
How We Learned That Water Isn't An Element
For thousands of years, water was thought to be an element. That is, until some of the greatest chemists in the world managed to crack it open.
SciShow
The 17+ Different Kinds of Ice!
Ice is ice, right? Wrong! From the vacuum of deep space to the inside of ice giant planets, ice gets stretched and squished into way more forms than what we find here on Earth.
Bozeman Science
Intermolecular Potential Energy
In this video Paul Andersen explains the importance of intermolecular forces in chemistry. Intermolecular forces exist between dipoles (like hydrogen bonds), between dipoles and induced dipoles (like Ar and HCl) and between induced...
SciShow
Antarctic Lava to Pink Snow: The Science of Winter
"If you live in the northern hemisphere, there's a decent chance you're in a winter wonderland right now. Settle in with a hot drink for this winter compilation and learn about some of the interesting things that make winter wondrous!
Bozeman Science
Chemical and Physical Processes
In this video Paul Andersen explains the difference between chemical and physical processes. Chemical processes occur when bonds are broken and reformed. Physical processes occur when intermolecular forces are broken and reformed. A...
TED-Ed
TED-Ed: The science of snowflakes - Maruša Bradač
One could say that snowflakes are simply frozen water — but if you compare a snowflake to an ice cube, you’ll notice a big difference. Why are all snowflakes six-sided? Why are none of them exactly the same? And how do we ski on them?...
TED-Ed
TED-Ed: Human sperm vs. the sperm whale - Aatish Bhatia
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made ofother humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...
TED Talks
Li Wei Tan: The fascinating science of bubbles, from soap to champagne
In this whimsical talk and live demo, scientist Li Wei Tan shares the secrets of bubbles -- from their relentless pursuit of geometric perfection to their applications in medicine and shipping, where designers are creating more efficient...
Amoeba Sisters
Properties of Water
Explore some properties of water with the Amoeba Sisters! It's all about those hydrogen bonds.
Bozeman Science
How I Make Screencasts
Paul shows how he makes screencasts by making a screencast about making screencasts. Hardware and Software
TED-Ed
TED-Ed: Why does ice float in water? - George Zaidan and Charles Morton
Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid water, which isn't true for most substances. But why? George Zaidan and Charles Morton...
Crash Course
Water and Solutions -- for Dirty Laundry: Crash Course Chemistry
Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the...
Crash Course
Alkyne Reactions Tautomerization - Crash Course Organic Chemistry
Carbon-carbon double bonds are pretty common in nature, but triple bonds between carbons, called alkynes, are not. When alkynes do pop up in nature, it’s usually in a compound that’s toxic to humans, however, we can synthesize alkynes...
Crash Course
Intro to Reaction Mechanisms - Crash Course Organic Chemistry
When we venture to new places, we need navigational tools to guide us. In organic chemistry, those are reaction mechanisms! In this episode of Crash Course Organic Chemistry, we’ll learn all about how to write reaction mechanisms. Having...
SciShow
The 17+ Different Kinds of Ice!
Ice is ice, right? Wrong! From the vacuum of deep space to the inside of ice giant planets, ice gets stretched and squished into way more forms than what we find here on Earth.
TED-Ed
TED-Ed: How polarity makes water behave strangely - Christina Kleinberg
Water is both essential and unique. Many of its particular qualities stem from the fact that it consists of two hydrogen atoms and one oxygen, therefore creating an unequal sharing of electrons. From fish in frozen lakes to ice floating...
Crash Course
Polarity Resonance and Electron Pushing - Crash Course Organic Chemistry
We’ve all heard the phrase “opposites attract.” It may or may not be true for people, but it’s definitely true in organic chemistry. In this episode of Crash Course Organic Chemistry, we’re learning about electronegativity, polarity,...
Be Smart
The Cosmic Origins of Earth's Water
Why is Earth is a blue planet? Because it's covered in water! Where did Earth's water come from? Of course, water isn't unique to our planet. The origin of water traces beyond the solar system to the earliest days of the universe. Here's...
Crash Course Kids
Organizing Properties
Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though...
Bozeman Science
Water: A Polar Molecule
In this video Paul Andersen explains how the polarity of water makes life on the planet possible. Oxygen is highly electronegative and pulls the electrons closely creating a partial negative charge. The polarity of water (and the...
Crash Course
Water - Liquid Awesome: Crash Course Biology
Hank teaches us why water is one of the most fascinating and important substances in the universe.
Crash Course
Alkene Redox Reactions - Crash Course Organic Chemistry
Oxidation-reduction reactions are going on around us, and inside us, all the time, and we can make redox reactions in organic chemistry easier to understand by tracking carbon-oxygen bonds. In this episode of Crash Course Organic...
Bozeman Science
Water and Life
Paul Andersen begins with a brief description of NASA discoveries related to Mars, Mercury and water. He then explains why water is required for life. He finally uses a simulation to show you why water acts as a wonderful solvent and...