What wiped out the dinosaurs? Most of us were taught it was a killer asteroid—which is true. But it turns out there was more than one disaster movie playing at the cineplex that was Earth 66 million years ago.

North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth....

In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. ...

What happened March 27, 1964? Alaska knows very wellÉ Join us to learn more about earthquakes with host Hank Green on this infusion of SciShow.

Plate Tectonics Explained

Mr. Andersen describes how plate tectonics shapes our planet. Continental and oceanic platers are contrasted and major plate boundaries are discussed.

Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that's smaller than Earth has volcanoes that are bigger than ours!

2 minute video giving a brief overview of plate tectonics, for middle school science

short 2 minute video describing tectonic plates and mountain building

What counts as design? What counts as art? And how did this debate start? In this episode of Crash Course Art History, we’ll trace the history of privileging some materials and techniques over others. We’ll explore how street fashion,...

Howcast - What’s better than hunkering down on your sofa to enjoy a big event on TV? Throwing a party, so you can watch it with all your friends.

Howcast - Whether Easter brunch is a casual gathering or a more formal affair, these tips will ease your stress for a successful mid-morning meal.

Howcast - A gym or health club is a shard environment, one that comes with its own set of rules. Follow these simple guidelines to avoid being the member no one wants to spot.

Howcast - Learn how to remove electrical plates before painting from Brushed Interiors founder David Sartori in this Howcast video.

Figuring out which fork to use for which course can be confusing enough, but having to actually set those forks—and everything else on the table? A recipe for disaster‰Û_ or a chance to strut your etiquette stuff.

Whether you're hosting a backyard crawfish boil or attending your first one, it's important to know the right way to eat a mudbug.

Reinvent your living space by installing a new wall.

DIY SCI host Steve Spangler demonstrates what happens when you add soap to milk that has food coloring in it. And how to make some science art as a bonus!

Iceland's BEST route for sightseeing | The Golden Circle

Iceland's geography explained in 60 seconds

From the Sierra Nevada to the Rockies, these natural giants were formed in different ways over thousands of years, making up the United States's iconic landscape.

This video introduces the concept of plate tectonics in a fun and engaging way. They explain how the Earth's crust is divided into moving pieces called tectonic plates, and how these plates create landforms and natural disasters through...

Good morning! Join us on Flipping Physics as we delve into the world of capacitance. In this episode, we derive essential equations for the equivalent capacitance of capacitors in both series and parallel configurations. Bo guides us...

Book of Mormon as Literature | Family Tree & Potential Sources