SciShow Kids
Are Aliens Real?
Have you ever wondered if aliens exist? You're not alone! Learn about what alien life needs to survive in the universe!
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
SciShow
The Sun’s Electric Field Isn’t as Strong as We Thought!
The sun shapes the solar system in many ways, including through its mysterious solar wind, which was thought to be pushed through the force of the sun’s electric field. Recent observations revealed, though, that that hypothesis may not...
Be Smart
Evolution: The Book Of Life
My friend Eric Schulze, awesome science guy and leader of Thirst DC helps me understand how genes and DNA write the book of life, and how reading that book has helped us learn that everything on Earth is descended from a common ancestor....
SciShow
NASAs new frontier and the Trouble with Gravity
Hank describes how astronomers used a technique called gravitational lensing to find the most distant galaxy ever detected -- and how NASA is embarking on a new program to use this same technique to peer deeper into space than ever...
SciShow
Why Venus Could Doom 'Habitable' Exoplanets
There are exoplanets out there that seem very Earth-like, but if you look out and see liquid metal instead of liquid water, you might be in the Venus zone.
SciShow Kids
Geysers: When Water Erupts!
Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!
PBS
The Biggest Thing That Ever Flew
Today, we're familiar with two types of flying vertebrates -- birds and bats. But over 66 million years ago, there was a giraffe-sized reptile that soared through the sky.
PBS
Are We Alone? Galactic Civilization Challenge
The Drake Equation tells us the likelihood that there are other advanced technological civilizations waiting for us among the stars. In this episode of Space Time we challenge you to use the Drake Equation to help us determine how near...
TED-Ed
TED-Ed: Dark matter: The matter we can't see - James Gillies
The Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the...
TED-Ed
TED-Ed: How do tornadoes form? - James Spann
Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell...
SciShow
How the Movement of Other Planets Affects Earth — Yes, Really
Scientists have found at least three cycles in nature that can be traced back to the alignment of the planets. And while they won’t tell you anything about your love life or personality, by studying them, we can learn about our planet’s...
SciShow
Origins of Intolerance
Hank's news this week informs us on a couple of crazy science experiments, updates us on some earlier topics (dangerous asteroids and ancient phallic rock art), and briefs us on a new study that seeks to find the evolutionary origins of...
Be Smart
Why Do We Go to Space?
Why do we go to space? In the beginning of our space program, the answer had a lot to do with war and paranoia. But with the dawn of the space shuttle, that all changed. Where do we go from here?
PBS
Will We Ever Find Alien Life?
The silence of the galaxy and the resulting Fermi Paradox has perplexed us for nearly 50 years. But our most recent surveys of the Milky Way finally allow us to draw scientific conclusions about the depressingly persistent absence of...
SciShow
Our New Galactic Neighborhood, and a Tar Comet?
SciShow Space shares the latest news from around the universe, including new insights into the giant supercluster of galaxies that we call home, and the first "data baby" from Rosetta's rendezvous with a comet.
SciShow
How Do You Get Rid of Bacteria in Space Stations
When astronauts go into space, they're not always going alone.
TED Talks
TED: A demo of wireless electricity | Eric Giler
Eric Giler wants to untangle our wired lives with cable-free electric power. Here, he covers what this sci-fi tech offers, and demos MIT's breakthrough version, WiTricity -- a near-to-market invention that may soon recharge your cell...
MinuteEarth
Why Do Some Animals Get Gigantic?
This video explores how various animals throughout evolutionary history have managed to grow to gigantic sizes through unique adaptations and environmental factors. From megabugs benefiting from a spike in atmospheric oxygen levels to...
SciShow
How the Ocean Floor Got Filled with Riches
Deep below the surface, the ocean floor is full of riches. There’s gold, iron, and lots of other rare, precious metals. What kind of geochemical processes can leave loot all over the seafloor?
TED Talks
TED: Earth's original inhabitants -- and their role in combating climate change | Steven Allison
Every environment on the planet -- from forested mountaintops to scorching deserts and even the human gut -- has a microbiome that keeps it healthy and balanced. Ecologist Steven Allison explores how these extraordinarily adaptable,...
TED Talks
TED: How to build for human life on Mars | Melodie Yashar
We're going to be building on the Moon this decade -- and next will be Mars, says space architect Melodie Yashar. In a visionary talk, she introduces her work designing off-world shelters with autonomous robots and 3D printers and...