Did you know we can actually make diamonds in a lab? It's true! We can! And this is both really good and really cool. In this episode of Crash Course Kids, Sabrina shows us how materials scientists have done just that and why it's so...

Correction

07:11 We made a conversion error! The asteroid in this sentence should be 95,000 meters or 95 km. The conclusion (water would be deadly hot and sterilized) is cor

rect.

Let's face it: The Earth is going to get...

The Moon has been one of the most important theoretical stepping stones to our understanding of the universe. We’ve long understood that it could also be our literal stepping stone: humanity’s first destination beyond our atmosphere.

There are cosmic events so powerful that they leave permanent marks on the fabric of the universe itself. Imagine two colossal black holes spiraling into each other, yes they send ripples in the fabric of spacetime—gravitational waves...

On April 8, 2024, the Moon’s shadow will fall on Earth, creating a total solar eclipse across North America, and if you have the chance to see it, you don’t want to miss it. It’s an amazing coincidence that total eclipses happen at all —...

The Pyramids of Giza have fascinated and confused us for hundreds of years, and while we know a lot about who built them and how they were made, one question that has remained is why they are where they are. And the answer to that...

In the mid-1990s, a meteorite with the unmemorable name ALH84001 became the most famous rock in the world. Because one team of scientists proposed that it had the evidence of real, if microscopic, Martians.



Hosted by: Reid...

Iridescent hematite, aka turgite, is rust with a great makeup artist. This beautiful mineral shines in all the colors of the rainbow. And scientists are completely split as to why. This month, SciShow Rocks Box subscribers will receive...

Most living things on Earth need oxygen to survive, but scientists discovered a species of bacteria that uses oxygen totally differently from every other organism on Earth.

The sun rises in the east, the moon rises in the east, and the stars rise in the east... but solar eclipses, oddly, come from the west. If total eclipses are caused by the sun and the moon, why don't they behave like the sun and the moon?

Insects are the world’s most numerous and diverse animals. Even where you’d least expect them in some of Earth’s most extreme environments, there they are. From a scalding volcano, parched desert, to a frigid glacier, insects are living...

In 1997, a fire began in Indonesia that would rage for almost a year. Despite being one of the largest fires in recorded history, for months at a time it burned without a flame. This might sound like a uniquely freaky fire, but it’s...

If the earth is spinning to the east at 1000 miles per hour... why can't we fly west more easily?

An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size.

What if there were a tunnel through the middle of the earth and you jumped in?

TOP 10 REASONS Why We Know the Earth is Round

The Limb of the Sun

What is the maximum height for a mountain on Earth!? And why?

How Do Greenhouse Gases Actually Work?

Denizens of the Deep

Earth didn't have water when it formed, but it does now! How did it get wet?

How Long To Fall Through the Earth?

Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It's how leaves work.

What is Skin For