SciShow
Will the Moon Ever Leave the Earth's Orbit?
Every year the moon’s orbit gets a little bigger and it moves just a little farther away. Should we worry about the Moon breaking free?
SciShow Kids
What Are Clouds Made Of?
Clouds can look like castles made of cotton candy, or they can be thin and wispy. But have you ever wondered what clouds actually are?
SciShow Kids
What Are Stars?
Find out what makes stars what they are, and take a tour of some of the most extreme stars in space!
Bozeman Science
Practice 7 - Engaging in Argument from Evidence
Paul Andersen explains the importance of argumentation in improving both understanding and design. This video begins with a discussion of the heliocentric and geocentric model of the Universe that eventually lead to the Copernican...
PBS
A Hierarchy of Infinities
There are different sizes of infinity. It turns out that some are larger than others. Mathematician Kelsey Houston-Edwards breaks down what these different sizes are and where they belong in The Hierarchy of Infinities.
TED-Ed
TED-ED: Why are blue whales so enormous? - Asha de Vos
Blue whales are the largest animals on the planet, but what helps them grow to the length of a basketball court? Asha de Vos explains why the size of krill make them the ideal food for the blue whale -- it's as if the blue whale was made...
SciShow
Our Galaxy Is a Cannibal
Sometimes galaxies eat each other! It's actually pretty common. And it turns out that our own galaxy, the Milky Way, is pretty hungry.
TED-Ed
TED-Ed: What is the Heisenberg Uncertainty Principle? - Chad Orzel
The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because everything in the universe behaves like both a particle and a wave at the same time....
PBS
How Infinity Explains the Finite
Peano arithmetic proves many theories in mathematics but does have its limits. In order to prove certain things you have to step beyond these axioms. Sometimes you need infinity.
Crash Course
Low Mass Stars
Today we are talking about the life -- and death -- of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into...
SciShow
8 Boss Invertebrates That Eat Whatever They Want
Even if you’re tiny, you can still be fierce. Here are 8 little invertebrates who punch above their weight class at dinner time. CHAPTERS View all DRAGONFLIES 0:46 REGAL JUMPING SPIDER 1:43 EPOMIS BEETLES 2:49 PRAYING MANTIS 4:34 BOBBIT...
SciShow Kids
Baking a Cake with Science!
It might seem like magic when you put some batter in the oven and pull out a fluffy cake, but it's actually science! Join Jessi and Squeaks as they bake a cake and explain how the ingredients react with each other to make a tasty treat!
SciShow
How Do We Measure the Distance of Stars?
It's School of YouTube Week! Comic Relief and YouTube are partnering to send students to school! The Bad Astronomer Phil Plait teaches Hank how to measure the distance to the stars.
SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.
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!
Crash Course Kids
Glow On
So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how...
TED-Ed
TED-Ed: How big is infinity? - Dennis Wildfogel
Using the fundamentals of set theory, explore the mind-bending concept of the "infinity of infinities" -- and how it led mathematicians to conclude that math itself contains unanswerable questions.
SciShow
Why Is Pluto Not A Planet?
Pluto's not a planet. We're sorry, but we think it's time you move on. If you've gone through all your breakup music and Meg Ryan movies, and you still can't get over it, then SciShow Space will get out the ice cream, cuddle up with you...
SciShow Kids
It’s a Bird! It’s a Plane! It’s a DINOSAUR!
Dino's back to share more dinosaur facts with you, and this time he has some incredible news: birds are the descendants of dinosaurs! Join him to learn the whole story!
Bozeman Science
Wave Equation
In this video Paul Andersen explains how a sine or cosine wave can describe the position of the wave based on wavelength or wave period. A wave function can the position of a wave as a function or the amplitude and wavelength or the...
Crash Course
Complex Animals: Annelids & Arthropods - CrashCourse Biology
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.
SciShow
Victorian Pseudosciences: Brain Personality Maps
in 19th-century England, scientists were figuring out that certain parts of our brains were connected with certain parts of our bodies- but they came up with some terrible and misleading ideas that spread without rigorous scientific...