Crash Course
The Earth
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
SciShow
Why Don't Birds on Power Lines Get Zapped?
If you stick your finger in a socket, you’re in for a bad time, so how can birds perch on power lines without getting zapped?
SciShow Kids
Let’s Make Oobleck!
Jessi's in the lab, mixing up something kind of strange: Oobleck! Come find out all about this goo that can be a solid and a liquid at the same time, and then learn how to make some for yourself!
TED-Ed
TED-ED: How tsunamis work - Alex Gendler
The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists...
SciShow
How Continent-Sized Dust Storms Form
In the future, we may see more continent-sized dust storms like the one nicknamed Godzilla, which crossed the Atlantic ocean in 2020. And since then, researchers have been looking into what caused such a colossal storm. If we can predict...
TED-Ed
TED-Ed: Why is it so hard to cure ALS? - Fernando Vieira
Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig's Disease, affects about two out of every 100,000 people worldwide. When a person has ALS, their motor neurons - the cells responsible for all voluntary...
Bozeman Science
Magnetic Permeability
In this video Paul Andersen explains how the magnetic permeability is the ability of a material to form internal magnetic fields. The magnetic permeability of free space is a constant and is much lower than the magnetic permeability of...
Bozeman Science
Electric Field of a Sphere
In this video Paul Andersen explains how the electric field strength decreases as the square of the radius as you move away from a point charge, or a uniform distribution of charge on a sphere. This is a direct application of Coulomb's Law.
Crash Course Kids
A Change of Scenery
The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly...
SciShow
Is the Power Grid Ready for Green Energy?
Despite the rise of renewable energy, the backbone of the power grid is fossil fuels. Adapting the grid to green energy sources is more complicated than flipping a switch.
Bozeman Science
Heating
In this video Paul Andersen explains how heating is the transfer of energy (heat) from a warmer object to a cooler object. Heat can be transferred through conduction, convection and radiation. At the microscopic level conduction results...
Crash Course Kids
The Great Escape
Do you know how many people have been to the moon? Only 12! Part of the reason it's so few is because of how difficult it is to escape Earth and get into space in the first place. In this episode of Crash Course Kids, Sabrina talks about...
SciShow Kids
Why Do We Have Saliva?
Mmmm! The smell of a batch of cookies straight out of the oven is enough to make your mouth water! But have you ever wondered why your mouth waters?! Jessi and Squeaks are here to tell you all about saliva and the many ways it helps you...
Bozeman Science
Plant Structure
Paul Andersen explains the major plants structures. He starts with a brief discussion of monocot and dicot plants. He then describes the three main tissues in plants; dermal, ground and vascular. He also describes the plant cells within...
SciShow Kids
How Glaciers Change the World!
It's freezing outside and cold weather makes Jessi think of glaciers!
MinuteEarth
How We Evolved To Browse The Web
The decisions we make while we browse the internet are suprisingly similar to the ones animals make as they forage for food...here's why.
SciShow
What are Those Things on Airplanes' Wings?
Have you ever wondered what those things are on airplane wings? You know, those little angled bits of metal? Watch to learn what they are and how they’re used!
TED-Ed
TED-ED: Cell membranes are way more complicated than you think - Nazzy Pakpour
Cell membranes are structures of contradictions. These oily films are hundreds of times thinner than a strand of spider silk, yet strong enough to protect the delicate contents of life: the cell's watery cytoplasm, genetic material,...
Crash Course
How Engineering Robots Works: Crash Course Engineering #33
In this episode we looked at robots and the engineering principles of robots. We learned how robots use sensors to interpret their environment, how actuators and effectors allow a robot to manipulate the objects around it to accomplish a...
Bozeman Science
Homeostasis Hugs
Paul Andersen explains how hugs between tissues can help maintain homeostasis. Countercurrent heat exchange allows heat to stay within the core of the body. Close contacts between the capillaries and alveoli allow our body to maintain...
Bozeman Science
LS4C - Adaptation
In this video Paul Andersen defines adaptations and explains how organisms can become better adapted to their surroundings using the process of natural selection. Specific examples of adaptations, like coat color in rock pocket mice, as...
SciShow Kids
Why Is the Sky Blue?
Jessi and Squeaks love watching clouds and birds fly way up in the sky! But why is the sky blue?
Be Smart
What's The Loudest Possible Sound?
What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video you'll learn what makes sound
SciShow Kids
How Far Can You Jump?
This video is brought to you by the Child and Teen Checkups program of the Minnesota Department of Health.