TED-Ed
TED-Ed: How did trains standardize time in the United States? - William Heuisler
If you live in the United States, you may live in the Eastern Standard Time Zone. Or maybe you live in Mountain Standard Time or one of the other standardized time zones. But these time zones have not always been around. In fact, it's a...
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.
SciShow
Dinosaurs Probably Weren't Cold-Blooded, According to Eggshells
Scientists can find answers in some pretty unusual places, and recently they found some evidence that dinosaurs weren't cold-blooded by looking at... eggshells?
TED-Ed
TED-Ed: The story behind your glasses - Eva Timothy
What scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways that our understanding of light informs the world in which we live.
TED Talks
Lesley Hazleton: The doubt essential to faith
When Lesley Hazleton was writing a biography of Muhammad, she was struck by something: The night he received the revelation of the Koran, according to early accounts, his first reaction was doubt, awe, even fear. And yet this experience...
TED-Ed
TED-Ed: The infinite life of pi - Reynaldo Lopes
The ratio of a circle's circumference to its diameter is always the same: 3.14159 and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how...
SciShow
Can We Get to Alpha Centauri?
You like space exploration, and we like space exploration. So why aren't we investigating our closest to galactic neighbor, the triple star system Alpha Centauri? Is it time to give interstellar travel a shot? How would we do it? Hank...
TED Talks
TED: How to get serious about diversity and inclusion in the workplace | Janet Stovall
Imagine a workplace where people of all colors and races are able to climb every rung of the corporate ladder -- and where the lessons we learn about diversity at work actually transform the things we do, think and say outside the...
Crash Course Kids
Oobleck and Non-Newtonian Fluids
Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of...
SciShow
How to Upload Your Mind
Uploading your mind to a computer might one day let humans cheat death. The technology’s a long way off, but researchers are working on closing that gap. This episode was brought to you and inspired by the movie Self/less.
Crash Course Kids
Vacation or Conservation (Of Mass)
So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids,...
SciShow
Quantum Fishing for the Higgs Boson
Hank talks to some VIPs from CERN about the question on everyone's mind: does the Higgs Boson particle exist? And describes how CERN is going about finding the answer. Hank interviewed Sergio Bertolucci on October 11, 2011 and Rolf Heuer...
TED Talks
John Lloyd: An animated tour of the invisible
Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you...
SciShow
Would You Be Able to See Through Superman’s Disguise?
You might have wondered if putting on or taking off glasses is enough to completely transform Clark Kent/Superman’s appearance. Researchers have looked into this, and the result is pretty surprising.
Crash Course
What Is Myth? Crash Course World Mythology
Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...
TED-Ed
TED-ED: History vs. Cleopatra - Alex Gendler
She was the most notorious woman in ancient history, a queen who enraptured not one but two of Rome's greatest generals. But was she just a skilled seductress or a great ruler in her own right? Alex Gendler puts this controversial figure...
Be Smart
Your Mom is LITERALLY Part Of You!
They say mom's never far away, but I don't think this is what they had in mind. In this episode, learn about the mind-blowing connection you share with your mom. A little bit of you never leaves the other!
Bozeman Science
Conservation Laws
In this video Paul Andersen explains how the energy, charge, and momentum in a system is conserved over time.
Crash Course
Deep Time
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion...
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
The Impossibly Huge Quasar Group
In 2013, astronomers reported that they'd found what was, at the time, the biggest thing in the known universe.
SciShow
There's a Loophole in One of the Most Important Laws of Physics
The laws of thermodynamics are cornerstones of physics - but one of them is more breakable than it appears.
TED Talks
TED: A lesson on looking | Amy Herman
Are you looking closely? Visual educator Amy Herman explains how to use art to enhance your powers of perception and find connections where they may not be apparent. Learn the techniques Herman uses to train Navy SEALs, doctors and crime...
SciShow
The Invisible Gas That Gave Us Galaxies
More than half of all the matter in the universe is out in the dark, 'empty space.' Although it's basically invisible, the intergalactic medium has a lot to tell us about the stuff we can see.