PBS
The Equation That Explains (Nearly) Everything!
The Standard Model of particle physics is arguably the most successful theory in the history of physics. It predicts the results of experiments with a numerical precision unmatched by any other branch of science, and it does so almost...
TED Talks
TED: 3 elements of true fun -- and how to have more of it | Catherine Price
What comes to mind when you think about the most fun moments of your life? Science journalist Catherine Price asked thousands of people across the world this question, and their answers led her to a new definition of "true" fun: a...
TED-Ed
TED-Ed: 6 myths about the Middle Ages that everyone believes | Stephanie Honchell Smith
Medieval Europe. Where unbathed, sword-wielding knights ate rotten meat, thought the Earth was flat, defended chastity-belt wearing maidens, and tortured their foes with grisly gadgets. Except... this is more fiction than fact. So, where...
Curated Video
WRAP Dramatic pix from flooded region; aid workers, voxpop
Ampara District
1. Various of Sri Lankan military helicopter being loaded with aid supplies and food
2. Various aerials of flooding in Ampara
3. Various of helicopter hovering over a crowd of disaster victims in a village called...
SciShow
4 Psychological Terms That You're Using Incorrectly
At some point, you’ve probably heard someone use any or all of these four words to describe someone. But there’s a really excellent chance that person had no idea what these terms mean. But SciShow is here to help clear up some of these...
MinuteEarth
Are "Acts of God" Disappearing?
Considering humans' increased impact on the environment, we may want to reconsider whether there is still a place in our legal system for the Act of God defense. ___________________________________________ To learn more, start your...
3Blue1Brown
Taylor series | Chapter 10, Essence of calculus
Taylor series are extremely useful in engineering and math, but what are they? This video shows why they're useful, and how to make sense of the formula.
SciShow
SciShow Quiz Show with Phil Plait
Hank squares off against Crash Course Astronomy host Phil Plait in our special Valentine’s/Old Timey Medicine edition of SciShow Quiz Show!
TED-Ed
TED-ED: What "Orwellian" really means - Noah Tavlin
If you've watched the news or followed politics, chances are you've heard the term Orwellian thrown around in one context or another. But have you ever stopped to think about what it really means, or why it's used so often? Noah Tavlin...
3Blue1Brown
Taylor series | Essence of calculus, chapter 11
Taylor series are extremely useful in engineering and math, but what are they? This video shows why they're useful, and how to make sense of the formula.
SciShow
The First Gene-Edited Babies Are Here, Like It or Not | SciShow News
A researcher in China used the gene editing technique known as CRISPR to change the DNA of human embryos. Hank unpacks why this is being universally condemned by scientists.
MinutePhysics
Einstein's Biggest Blunder, Explained
This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the problem by introducing the cosmological...
SciShow
Kleptopredation Natural Turduckens
Some birds steal food from other birds to save themselves work, but kleptopredators take it one step further!
SciShow
The Majestic Grolar Bear
Although polar bears and grizzly bears aren't all that similar and are definitely separate species, they can interbreed and create fertile offspring in the wild. Hank brings us the story of these misfit bears, which he likes to call...
TED Talks
TED: How to find joy in climate action | Ayana Elizabeth Johnson
We can all play a role in the climate movement by tapping into our skills, resources and networks in ways that bring us satisfaction, says climate leader Ayana Elizabeth Johnson. She suggests drawing a Venn diagram to map these...
Bozeman Science
Unit 1 Review - Natural Selection
Paul Andersen reviews the major within the first unit on natural selection. He starts by defining evolution and explaining how evolution can occur in a population. He reviews the population genetics and camouflage lab. He reviews genetic...
SciShow
SciShow Quiz Show: Eons Edition!
Hank Green presides over this battle between the other two hosts of Eons. They know dinosaurs, but how much do they really know about industrial grease?
MinuteEarth
Why Some Molecules Have Evil Twins
A tiny change in a molecule’s geometry completely changes its effects on the human body. ___________________________________________ If you want to learn more about this topic, start your googling with: Enantiomers: Molecules that are...
3Blue1Brown
Backpropagation calculus: Deep learning - Part 4 of 4
The math of backpropagation, the algorithm by which neural networks learn.
3Blue1Brown
The determinant: Essence of Linear Algebra - Part 6 of 15
The determinant has a very natural visual intuition, even though it's formula can make it seem more complicated than it really is.
SciShow
What Does it Mean for a Virus to Be “Airborne”?
What does it mean when a virus is airborne? It turns out it's more than just what comes out when you sneeze
TED-Ed
Debunking the myth of the Lost Cause: A lie embedded in American history | Karen L. Cox
In the 1860's, 11 southern states withdrew from the United States and formed the Confederacy. They seceded in response to the growing movement for the nationwide abolition of slavery. Yet barely a year after the Civil War ended, southern...
MinuteEarth
Nobody Really Knows What A Concussion Is
Experts can't agree on the definition of the term "concussion," which makes it difficult to diagnose, treat, and research this important brain injury. ___________________________________________ To learn more, start your googling with...
TED-Ed
TED-ED: Mysteries of vernacular: Yankee - Jessica Oreck and Rachael Teel
Is it a doodle dandy? A baseball team? The origins of the word yankee are unclear, though its usage in America as a pejorative is well-documented. Jessica Oreck and Rachael Teel track the varying levels of contempt that the word yankee...