Dark matter is a scientific mystery. We can't see or touch it. But physicists like Dan McKinsey theorize it must exist because, without it, the universe would look quite different.



With support from the National...

Welcome to our new video series titled "New Economic Thinking." The series will feature dozens of conversations with leading economists on the most important issues facing economics and the global economy today.



This episode...

Phrasal verbs are difficult to learn and to use. In this video lesson, Mr. P. will try to make this topic of english grammar easier for students. He will explain how a phrasal verb is made of and how to use them. He will talk about...

How did IBM researchers move all those atoms to make the world's smallest movie? This short behind-the-scenes documentary takes you inside the lab. Meet the scientists, see how they made a movie with atoms, and find out more about their...

There are currently hundreds of thousands of people on transplant lists, waiting for critical organs like kidneys, hearts and livers that could save their lives. Unfortunately, there aren't enough donor organs available to fill that...

Bob Ross was a prolific painter who created and starred in the popular PBS television show The Joy of Painting, where he taught viewers how to create landscapes using the wet-on-wet technique. While he was well-known as an optimistic,...

Protease Mechanisms 1

This video introduces the role of umpires in hockey games, highlighting their crucial responsibility in ensuring fair play and upholding the rules of the game. It emphasizes the skills required for effective umpiring, such as physical...

In this video, learn how to authenticate users, services, and computers using the Directory Admin Center, and how to work with authentication and silo policies.
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This clip is from the chapter "Managing and Maintaining AD DS"...

Molecules make you think of chemistry, right? Well, they also are very important in biology too. In this video we are going to look at carbohydrates, proteins and lipids. When I say lipids, I am talking about fats and oils. Life...

In this video, we will cover the basic model structure setup.<br/<br/>>

This clip is from the chapter "The Next Level" of the series "Power BI Masterclass".null

Massachusetts-based Alaka’i Technologies has developed a hydrogen-powered air vehicle called Skai that uses six rotors and performs vertical takeoffs and landings. <br/>

👉 Learn how to find the area and perimeter of a rectangle. A rectangle is a parallelogram with all the angles equal to 90 degrees. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...

This video is an introduction to solving trigonometric integrals that contain combinations of trigonometric functions. Specifically, those that contain powers of sine and cosine. This video covers 2 basic example illustrating the case...

MOT 1939: ENGLAND LIFESTYLE: VS English people on street standing by building bicyclists houses. WS People digging working building bomb cellar shelter. CU Sign 'Bombproof ' roses FG. MS Gardener working in garden bomb cellar BG. London

How to tell the difference between CAN and CAN'T in American English.

Scientists from Harvard University and the Massachusetts Institute of Technology have developed a new method of editing DNA which combines CRISPR-Cas9 with a reverse transcriptase enzyme. <br/>