In this video Paul Andersen explains how science is dependent upon engineering which is dependent upon science which is dependent up engineering which is dependent upon science which is dependent up engineering which is dependent upon...

John Green teaches you about the so-called Dark Ages, which it turns out weren't as uniformly dark as you may have been led to believe. While Europe was indeed having some issues, many other parts of the world were thriving and...

We all know that the Earth is huge, but what is it made of? Join Jessi and Squeaks for a fun activity to learn about Earth's layers, and to make your own model of Earth!

New ReviewWould you have thought of this?

New ReviewIn this Grade 7 math lesson, students will learn how to determine the distance between the center of a circle and a point drawn on the circle when the radius is given. We begin by reviewing the definition of a circle’s radius and...

New ReviewIn this video we are going to explore how to identify the foci and asymptotes of a hyperbola

New ReviewOliver B. Libby, author of Strong Floor, No Ceiling, argues that the greatest threat to America is not foreign attack but the erosion of belief in the American Dream. He warns that faith in upward mobility is at historic lows and calls...

New ReviewWhen students are working with circles it seems they always make the same mistakes. In this video I am going to highlight the most common ones students make.

New ReviewThe video, hosted by Maxwell Ryan, founder of Apartment Therapy, explores how neighbors with identical floor plans live completely different lives, visiting four pairs of apartments in New York City.

Did you know the center of mass can be outside the object itself? Learn what center of mass really means and see clear examples with everyday objects like bananas, donuts, and golf clubs.

Write the equation of a circle given the center and the radius.

Located in the heart of the former East German state, Leipzig was once one of the major industrial centers of Eastern Europe. Today, it is the quintessential example of a city that has undergone rapid economic recovery since Germany’s...

Known as Germany's Manhattan because of the numerous skyscrapers recently built there, Frankfurt is home to the continent’s financial capital. It's the headquarters of the European Central Bank as well as the location of Germany's major...

This video demonstrates pagination in Bootstrap and how they provide links for the next and previous pages.

The Obama Center explained: when President Obama leaves office in January, 2017, he will be just 56 and-a-half years young, with at least two whole decades of productive working years ahead of him. He’ll also have the best perspective on...

The goal of the GCF Reading Program is to help adults at all levels become more proficient readers.



Utilizing various learning tools, learners will be able to learn and practice reading the top 1,000 most frequently used...

This video is a comprehensive tutorial on using Microsoft PowerPoint, a program that allows users to create presentations for various purposes. The video covers topics such as navigating the interface, utilizing the ribbon with its tabs...

This video tutorial provides a comprehensive guide on how to work with images in Google Docs to enhance your projects. The instructor demonstrates how to insert images, resize them, move them around the document, and adjust text wrapping...

A video entitled "Measures of Center" which shows the three measures of center and how to calculate them.

Where is the center of the universe? All this, everything you see around you, started in a big bang, from a point smaller than the point at the end of this sentence. It as an infinitesimally small point, called a singularity....

Science Kids Famous Astronomers and Astrophysicists - From Galileo to Neil deGrasse Tyson

Vera Rubin, a pioneering astronomer, defied societal norms and gender barriers to make groundbreaking discoveries in the field of astronomy....

Science Kids Famous Astronomers and Astrophysicists - From Galileo to Neil deGrasse Tyson

Vera Rubin, a pioneering astronomer, defied gender barriers to make groundbreaking discoveries in the field of astronomy. Her research on the...

Howcast - Get luscious, pillowy, kissable lips—with or without injections.

Howcast - Invented by John Rodney Mullen, the Kickflip is the most basic skateboarding “flip trick”—one in which the board flips over while in the air. It’s also a great way to get out some aggression!