SciShow
What Happens in the Brain During a Coma?
Patients in comas might look like they’re sleeping, but there are pretty fascinating things happening inside of their heads.
TED Talks
Kiran Sethi: Kids, take charge
Kiran Bir Sethi shows how her groundbreaking Riverside School in India teaches kids life's most valuable lesson: "I can." Watch her students take local issues into their own hands, lead other young people, even educate their parents.
SciShow
The Woman Who Changed Drug Development
From a new method of drug design to an antiviral agent for herpes, Gertrude Elion's works totally transformed the world of drug development.
3Blue1Brown
Matrix multiplication as composition | Essence of linear algebra, chapter 4
How to think about matrix multiplication visually as successively applying two different linear transformations.
3Blue1Brown
The other way to visualize derivatives
A visual for derivatives which generalizes more nicely to topics beyond calculus. Thinking of a function as a transformation, the derivative measure how much that function locally stretches or squishes a given region.
SciShow
3D Printing and the Future of Stuff
What if instead of going to the store to buy a new toilet brush, all you had to do was walk into your office and print one out? With recent advances in 3D printing, such a scenario might not be as far away as you think. Chapters PRINT...
SciShow
Oxygen is Killing You
Hank introduces us to oxygen - the element that makes it possible for most animals to live, but which is simultaneously responsible for a lot of bad things going on in our bodies.
SciShow
Thank Goodness for Bacterial Cannibalism
Some species of bacteria have a wicked survival strategy: killing members of their own species or a closely-related one. There’s a lot we don’t know about it, but it's possible that someday we could potentially harness that knowledge to...
TED-Ed
TED-ED: What is abstract expressionism? - Sarah Rosenthal
If you visit a museum with a collection of modern and contemporary art, you're likely to see works that sometimes elicit the response, _My cat could make that, so how is it art?" But is it true? Could anyone create one of Jackson...
TED Talks
TED: Mining minerals from seawater | Damian Palin
The world needs clean water, and more and more, we're pulling it from the oceans, desalinating it, and drinking it. But what to do with the salty brine left behind? In this intriguing short talk, TED Fellow Damian Palin proposes an idea:...
TED Talks
TED: An election redesign to restore trust in US democracy | Tiana Epps-Johnson
Election infrastructure in the United States is crumbling, says technologist Tiana Epps-Johnson, and, even worse, election officials are increasingly being attacked simply for doing their jobs. How can the country rebuild trust in its...
TED Talks
TED: A safe pathway to resettlement for migrants and refugees | Becca Heller
Human migration is both inevitable and growing. What are we as a global community doing to address it? asks human rights lawyer Becca Heller, who believes that every refugee and migrant deserves a safe pathway to resettlement. Through...
SciShow
Can You Make Alcohol in Space?
Scientists sent the ingredients to brew beer and age whisky into space. What they got back was surprising.
TED Talks
Kakenya Ntaiya: Empower a girl, transform a community
Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in Kenya. Meet two students at the Kakenya Center for Excellence, a school where girls...
SciShow
Making a Realistic Simulation of the Sun
We’ve created simulations to recreate the difference in time it takes for the Sun’s equator and poles to complete rotations, and the way we’ve solved is a bit surprising. And it looks like the Milky Way may not be great at mixing metals,...
MinutePhysics
The Physics of Caramel: How To Make a Caramelized Sugar Cube
This video is about how the physics and chemistry of sugar (in particular, how it melts, and how it caramelizes) is more complicated than you might think. It involves fructose, sucrose, glucose, and a sticky mess.
Credits:
Gallium...
Crash Course
Mitosis: Splitting Up is Complicated - Crash Course Biology
Hank describes mitosis and cytokinesis - the series of processes our cells go through to divide into two identical copies.
SciShow
The Key to Finding Life Elsewhere in the Universe: Purple Planets?!?
Some scientists believe that 3.6 billion years ago Earth might have been purple, and that theory is giving us some clues in our search for life in the universe.
SciShow
Why (and How) Do Bees Make Honey
Quick Questions explains how some bees can transform flower nectar into the liquid gold that you use to sweeten your tea.
SciShow
5 Weird Things That Can Catch Fire
Fire: it's beautiful, it's dangerous, and it shows up in surprising places. Here are five weird things you might have on hand that can go up in flames. Chapters 0:00 0:05 0:11 0:17 0:23 0:29
TED Talks
Suzanne Lee: Grow your own clothes
Designer Suzanne Lee shares her experiments in growing a kombucha-based material that can be used like fabric or vegetable leather to make clothing. The process is fascinating, the results are beautiful (though there's still one minor...
SciShow
Why Do Old Books Smell So Good?
Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?
SciShow
The Times and Troubles of the Scientific Method
UPDATE: We got a couple of things wrong when it comes to gravity (particularly that it has nothing to do with photons). Science is working tirelessly night and day to disprove its own theories about how the universe works (or at least,...
TED-Ed
TED-ED: How do scars form? - Sarthak Sinha
It's hard to escape childhood without racking up a few scars. Why do these leftover reminders of a painful cut or crash look different from the rest of our skin? And why do they stick around for so long after the incident that caused...