Crash Course
Non-Human Animals: Crash Course Philosophy
Today we are taking all the things we have learned this year about doing philosophy and applying that to moral considerations regarding non-human animals. We’ll explore what philosophers like Peter Singer and Carl Cohen have to say about...
SciShow
There’s a Rectangle Galaxy?
You're probably used to real galaxies having curves, except not all of them seem to have gotten the memo.
TED-Ed
TED-Ed: How does your brain respond to pain? - Karen D. Davis
Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways? And what exactly is pain, anyway? Karen D. Davis walks you through your brain on pain, illuminating why the "pain experience"...
SciShow
Life or Death Farts: How Animals Use Passed Gas
We aren’t the only animals that pass gas, but other animals have found some much more creative ways to harness the power of their farts! Chapters View all SONORAN CORAL SNAKES 0:45 HERRING 1:48 3 MANATEES 4:06 SOUTHERN PINE BEETLES 4:32...
TED-Ed
TED-Ed: Is time travel possible? - Colin Stuart
Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possibility suggested by Albert Einstein when he discovered special relativity over one...
SciShow
Do Weighted Blankets Really Do Anything?
If you’ve used a weighted blanket before, you might have felt how weirdly comforting it is, but can it actually help your mental health?
SciShow
There Are Millions of Blood Types
You’re probably aware that your blood can be A, B, AB or O, but it turns out that blood types can get a lot more complicated than that!
SciShow
The Search for Antimatter
If you don't have any idea what antimatter is, you don't have to feel bad - the brightest minds in the world have only recently begun to understand what it is and how it works. Hank gives us the run down on what we know about antimatter,...
SciShow
How Close Are We to Building Force Fields?
Sci-fi technology is often more fiction than science, but it turns out there are actually some real-world labs that are working on developing force fields!
TED Talks
John Lloyd: An inventory of the invisible
Nature's mysteries meet tack-sharp wit in this hilarious, 10-minute mix of quips and fun lessons, as comedian, writer and TV man John Lloyd plucks at the substance of several things not seen.
Be Smart
Why Do More Species Live Near The Equator?
Find out why more species live near the equator!
SciShow
Antimatter Light Spectrum Discovered!
Scientists were able to measure the emission lines of antimatter! And we may have some new clues about how dinosaurs lost their teeth on the way to becoming birds.
TED-Ed
TED-Ed: Can you solve the time travel riddle? - Dan Finkel
Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules to...
TED-Ed
TED-Ed: What cameras see that our eyes don't - Bill Shribman
Our eyes are practically magical, but they cannot see everything. For instance, the naked eye cannot see the moment where all four of a horse's legs are in the air or the gradual life cycle of plants -- but cameras can capture these...
MinutePhysics
What Is The Shape of Space? (ft. PhD Comics)
A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at http://www.wehavenoidea.com Jorge's PhDComics: http://www.phdcomics.com This video is about the local and global geometry and curvature of space and...
SciShow
Why Do People Join Cults?
It’s easy to assume that people who join cults have something wrong with them, but usually the people who join cults are just like the rest of us. So, how does it happen?
Bozeman Science
Energy-Mass Equivalence
In this video Paul Andersen explains how the law of conservation of energy applies to both energy and mass. Einstein showed that mass and energy are equivalent and that the amount of energy contained within matter can be calculated...
Bozeman Science
Ideal Gas Law
In this video Paul Andersen explains how the pressure, volume, amount, and temperature of an ideal gas are related. Absolute zero of a gas can be determined by varying the temperature and measuring the corresponding volume of a gas...
Be Smart
Why Is The Universe So Empty? (ft. PHD Comics!)
Why is the universe organized the way it is? And why is it so empty? From planets and stars to superclusters and galactic filaments, the universe's largest structures formed because of its smallest. In this special collaboration with PHD...
SciShow
The Star That Trolled Astronomers
In 1967, a star was discovered that seemed to be different than most stars, . . . it looked like it was blinking.
TED Talks
TED: What the Russian Revolution would have looked like on social media | Mikhail Zygar
History is written by the victors, as the saying goes -- but what would it look like if it was written by everyone? Journalist and TED Fellow Mikhail Zygar is on a mission to show us with Project1917, a "social network for dead people"...
TED-Ed
TED-Ed: Describing the invisible properties of gas - Brian Bennett
How do you explain the properties of something we can't see? See how scientists use scientific principles, such as gravity, to observe gases. This lesson explores gases and how we have come to know what we know about them.
PBS
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship,...
TED-Ed
TED-Ed: Can you find the next number in this sequence? - Alex Gendler
1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical...