TED-Ed
TED-Ed: Human sperm vs. the sperm whale - Aatish Bhatia
Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made ofother humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...
SciShow
Why Do We Make Glowing Rats?
Hank explains why scientists spend so much time and brain power making animals that glow. Well, the first thing is, they don't really glow. And the second thing is: Scientists are just like the rest of us in that they don't believe some...
SciShow
How Much Humanity Weighs
Hank gives us a summary of a strange new calculation, which estimates the total body mass of all the humans on earth.
SciShow
The Science of Screaming, And What Was the Biggest Dinosaur?
Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.
MinuteEarth
Our Definition For “Moon” Is Broken (Collab. w/ MinutePhysics)
It’s becoming harder and harder to categorize moons as moons. ___________________________________________ To learn more, start your googling with these keywords: Moon: a natural satellite of a satellite of a star. Satellite: A celestial...
MinutePhysics
A Brief History of Everything, feat. Neil deGrasse Tyson
In this captivating video narrated by astrophysicist Neil deGrasse Tyson, viewers are taken on a journey through the history of the universe, from its explosive beginnings to the evolution of life on Earth. Through a mix of science and...
SciShow
Is An 8K TV Worth It
The newest 8K TVs have 33 million pixels - but can you even see that many?
PBS
How to Signal Aliens
Everyone has their own opinion as to whether or not aliens exist. But let's assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a...
SciShow
How Much Data Can Our Brains Store?
Our brains aren't exactly like a computer's hard drive, but it can still be fun to think about just how much storage space we have in our noggins.
SciShow
The First Time We Saw All of Venus: The Magellan Mission
NASA’s Magellan mission gave us unprecedented insight into Venus’s rocky surface, and even now, more than 25 years after the mission ended, it’s still one of our main tools for learning about our mysterious, next-door neighbor.
TED Talks
David Epstein: Are athletes really getting faster, better, stronger?
When you look at sporting achievements over the last decades, it seems like humans have gotten faster, better and stronger in nearly every way. Yet as David Epstein points out in this delightfully counter-intuitive talk, we might want to...
PBS
Telescopes of Tomorrow
The telescopes of tomorrow will see in infrared and ultraviolet. They will peer through space and scan across time. They will allow us to find new supernovae, spot potentially hazardous asteroids, better understand dark energy and peer...
TED Talks
TED: My seven species of robot -- and how we created them | Dennis Hong
Meet seven all-terrain robots -- like the humanoid, soccer-playing DARwIn and the cliff-gripping CLIMBeR -- built by Dennis Hong's robotics team at RoMeLa, based at Virginia Tech. Watch to the end for the five creative secrets to his...
SciShow
Megatsunamis Worlds Biggest Wave
Megatsunamis are not only much larger than your average tsunami, they also form under different conditions. Good news: they're extremely rare. Bad news: they might not be for long.
SciShow
How to Take a Picture of a Black Hole - SciShow News
For the first time ever we have visual confirmation that black holes actually exist and we got it with a telescope the size of our planet.
SciShow
We May Have Found the First Exomoon! SciShow News
We’ve discovered what appears to be the first known moon outside of the solar system and new models of Europa’s surface predict the presence of ice blades!
SciShow
Why Can't We Farm These Foods Yet?
There are some foods that are so popular that they are at risk of going extinct. What are they and why is it so difficult to harvest them?
SciShow
SciShow Talk Show: Animal Weapons with Doug Emlen & A Southern Three-Banded Armadillo
This week on the SciShow Talk Show Doug Emlen talks about animal weapons! Jessi from Animal Wonders joins the show to talk about animal defenses and introduce us to the southern three-banded armadillo.
SciShow
Snowstorms on Mars!
New research looks into how snow falls on Mars, and scientists have been looking into other things falling from the sky onto planets: diamonds!
MinutePhysics
Why Raindrops Are Mathematically Impossible
Why Raindrops Are Mathematically Impossible
SciShow
New Earth-Size Planet and a Solar Eclipse
Caitlin Hofmeister gives you the latest news from around the universe, including Kepler's latest exoplanet discovery, an upcoming solar eclipse, and a breathtaking image from Hubble.
TED Talks
Alan Kay: A powerful idea about ideas
With all the intensity and brilliance for which he is known, Alan Kay envisions better techniques for teaching kids by using computers to illustrate experience in ways -– mathematically and scientifically -- that only computers can.
SciShow
These 'Fossilized Brains' Might Not Be Brains At All
A new study calls the claims of fossilized brains into question, and another finds ichthyosaurs might have been bigger than our current champions, the blue whales.
SciShow
3 Odd Facts About Pigeons
They're probably the most successful birds in the history of birds. But what do you really know about pigeons? Hank shares three weird facts about the birds, from their amazing chick-raising trick to their history of heroism in wartime.