SciShow
How an Ancient Remedy Became a Modern Cure for Malaria
In the 1960s drug-resistant strains of malaria emerged, making the disease even deadlier than before. Then, pharmaceutical scientist Tu Youyou discovered a promising new remedy buried within the pages of ancient Chinese texts.
Crash Course
Nucleophiles and Electrophiles - Crash Course Organic Chemistry
Organic reactions are kind of like carefully choreographed fight scenes, and nucleophilic attack is a key move. This episode of Crash Course Organic Chemistry is all about nucleophiles and electrophiles, or what happens at those...
SciShow
How to Make Plasma in Your Microwave ... With a Grape
You’ve probably seen the videos on YouTube turning grapes into fireballs in the microwave. Well, there’s a pretty cool scientific explanation for why a grape is perfect for making plasma.
SciShow
The Next Search for Alien Life, and Release the Cubesats!
SciShow Space explores the latest mission to search for extraterrestrial life, and the mission of two tiny satellites that aims to make space travel safer.
Bozeman Science
Mass Spectrometry
In this video Paul Andersen explains how a spectrometer was used to identify the presence of isotopes. This modified Dalton's original atomic theory because atoms of the same element had different masses. The functional parts of a mass...
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...
MinutePhysics
Theory of Everything (intro)
A brief intro to the current theory of (almost) everything - the Standard Model of particle physics. It's like cake, only universal.
Bozeman Science
Lewis Diagrams and VSEPR Models
In this video Paul Andersen explains how you can use Lewis Diagrams and VSEPR Models to make predictions about molecules. The Lewis diagrams are a two-dimensional representations of covalent bonds and the VSEPR models show how the...
Bozeman Science
London Dispersion Forces
In this video Paul Andersen describes the positive force intermolecular forces found between all atoms and molecules. As electrons are distributed unevenly it creates instantaneous dipoles which hold molecules together. This force even...
SciShow
Are Modern Humans Really Older Than We Thought?
Until recently, fossil evidence for modern humans has only gone back 200,000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300,000 years. Chapters View all Homo sapiens 0:09...
SciShow
How to Stop Light in Its Tracks
Scientists have created beams of light that are slower than a car! Not only that, but with the literal flick of a switch, they can freeze that beam of light in place!
SciShow
Batteries: A Big Idea That Turned on the World
Even though they power many of our modern conveniences, batteries have a long history. Hank explains how and why these marvels work and what they've been used for over the past 2,000 years!
SciShow
Is the Size of Neutron Stars A Lie, Or Only A FRIB?
Have we been wrong about how big neutron stars are this whole time?
Bozeman Science
Conservation of Nucleon Number
In this video Paul Andersen explains how the nucleon number and charge is conserved in all nuclear reactions and radioactive decay. Fission, fusion, alpha decay, beta decay, and gamma decay all conserve the number of neutrons and...
SciShow
How the First Stars Transformed the Universe
The first stars turned all the neutral hydrogen in the universe back into ions, created a bunch of new elements, and just generally made a mess. But without them, you wouldn’t be here.
Bozeman Science
Wave-Particle Duality - Part 2
In this video Paul Andersen explains how classical waves (like light) can have particle properties. Albert Einsetein used the photoelectric effect to show how photons have particle properties.
Crash Course
Quantum Mechanics - Part 2: Crash Course Physics
e=mc2... it's a big deal, right? But why? And what about this grumpy cat in a box and probability? In this episode of Crash Course Physics, Shini attempts to explain a little more on the topic of Quantum Mechanics.
SciShow
These Stars Are Being Eaten Alive from the Inside
In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!
SciShow
The Future of CubeSat Propulsion
CubeSats have a lot of advantages, but they need a way to move and still stay small, and that means new miniaturized propulsion systems that can help us get these tiny spacecraft out into the universe.
SciShow
Get Charged Up for the Gigafactory
Hank shares the latest ambitious project from SpaceX and Tesla entrepreneur Elon Musk: The Gigafactory. Learn more about how batteries work, what the big deal is about lithium, and why people are getting so charged up. See what we did...
SciShow
Why Don't Birds on Power Lines Get Zapped?
If you stick your finger in a socket, you’re in for a bad time, so how can birds perch on power lines without getting zapped?
SciShow
Can You Burn Metal?
You know metal can get really hot, and you probably know that it can melt. But can it burn? Hank shows you how you can burn a hunk of metal like you're some kinda superhero (just be careful, please), and he explains how, in chemistry,...
SciShow
Why Do Atoms Bond?
SciShow explains what makes atoms bond (and what makes them sometimes seem promiscuous).
SciShow
Why Do Geiger Counters Make That Clicking Sound?
You don't have to fight feral ghouls to be familiar with the clicking sound of a geiger counter, but what exactly makes these radiation detecting devices click?