PBS
Did Life on Earth Come from Space?
How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let's see what modern science has to say about the...
Crash Course
Passing Gases: Effusion, Diffusion and the Velocity of a Gas - Crash Course Chemistry
We have learned over the past few weeks that gases have real-life constraints on how they move here in the non-ideal world. As with most things in chemistry (and also in life) how a gas moves is more complex than it at first appears. In...
Bozeman Science
Sound Waves
Mr. Andersen explains how sound waves are created and perceived. A brief discussion of pitch and loudness are included. A generated sound of varying pitches is also included.
SciShow
Why Is It So Hard to Remember Things Right Now?
If you feel like you’ve been more forgetful than normal recently, you’re definitely not alone. Your memory can have a lot to do with what's happening around you.
TED-Ed
What if every satellite suddenly disappeared? | Moriba Jah
What would happen if one day all of humanity's artificial satellites suddenly disappeared? Within hours, most of the planet's traffic would grind to a halt, the world economy would shut down, and most countries would declare a state of...
SciShow
What Does Ultrasound Gel Do?
You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.
Be Smart
Why is the sky any color?
Why is the sky blue? It's a question that you'd think kids have been asking for thousands of years, but it might not be that old at all. The ancient Greek poet Homer never used a word for blue in The Odyssey or The Iliad, because blue is...
TED Talks
Vincent Moon and Naná Vasconcelos: Hidden music rituals around the world
Vincent Moon travels the world with a backpack and a camera, filming astonishing music and ritual the world rarely sees -- from a powerful Sufi ritual in Chechnya to an ayahuasca journey in Peru. He hopes his films can help people see...
SciShow
More Space Exploration Missions
Hank updates us on two new missions that will help us learn more about some of the fascinating things in our space neighborhood.
TED-Ed
TED-Ed: How does your smartphone know your location? - Wilton L. Virgo
GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an...
Crash Course Kids
Seeing Stars
So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are stars. Today, let's play a...
SciShow
The Lazy Animal’s Guide To Travel
We’ve invented airplanes, trains, automobiles and so much more to ease the process of traveling. But many animals have adapted their own techniques for energy efficient travel that don’t require invention!
SciShow
How Cosmic Rays Make Astronauts See Stars
Some astronauts have reported the same specific symptoms: they see mysterious flashes of light out of the corner of their eyes. What causes those bizarre phenomena, and how does it affect astronauts?
SciShow
How Some People Echolocate Like Bats
Animals like bats and dolphins navigate the world using echolocation, but there’s also another animal capable of such a feat: humans.
SciShow
The Greatest Failed Experiment Ever
In this episode SciShow Space we talk about the aether...which hasn't been proven.
MinutePhysics
What is the Wave-Particle Duality
In this episode, we discuss the Wave Particle Duality and why quantum mechanics is weirder than anything we're used to in our daily lives!
PBS
How Do You Measure the Size of the Universe?
The universe is HUGE. But, there is only so much of the universe we can ACTUALLY see, and if we wanted to measure that FINITE space, how would we do it? A gigantic ruler? One really long car ride? Or maybe it's something even more...
SciShow
Why Do Planes Fly So High?
We've all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?
SciShow
The Secret Language of Elephants
You are probably aware of the fact that elephants make trumpeting noises - but did you know that most of their communication is so low pitched that humans can’t even hear it?
Bozeman Science
Wave-Particle Duality of Light
In this video Paul Andersen explains how light can be treated as both a particle and a wave. Physicists use scale to determine which model to use when studying light. When the wavelength of light is equivalent to the size of the object...
SciShow
How Do Satellites Get & Stay in Orbit?
SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there -- at least for a while.
PBS
What Happens At The Edge Of The Universe?
Lots of people believe the Universe is infinite, but there's a good possibility that might not be the case. Which means that there would be an actual edge of the Universe. What happens at that edge? Is there a restaurant?
SciShow Kids
How Plant Seeds Travel the World
All plants start as seeds, and they can travel all over the world in lots of different ways. They might even hitch a ride on you! SOURCES: First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The...