Evaluate algebraic expressions by substituting a value for the variable in an expression.

A study conducted by the British Medical journal show an increase of young Americans dying from liver disease.

With the assistance of an animation, this video shows how to calculate impulse using the change in momentum.

Explore how a string can spin a wooden skewer with this easy craft!⠀



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This video explains the importance of vitamin C in the body, including its role as a powerful antioxidant and its association with scurvy. It also discusses how vitamin C is absorbed and excreted in the body, and its essential role in...

👉 Learn how to determine if an equation is a linear equation. A linear equation is an equation whose highest exponent on its variable(s) is 1. The variables do not have negative or fractional, or exponents other than one. Variables must...

As we know from our understanding of microbiology, pathogens are everywhere. So why don't we get sick all the time? And what are allergies, why do some people have them and others don't? And what are vaccines, how do those work? All of...

This video explores the anatomy of tattoos, specifically how ink is deposited into the skin and why tattoos are relatively permanent. The video covers the three layers of the skin and how the nature of each layer influences ink...

This video talks about what's new in V2.
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This clip is from the chapter "Microservices with Spring Cloud – V2" of the series "Master Microservices with Spring Boot and Spring Cloud".This section focuses on microservices with...

In this video, we'll dig into the components of blood and talk about why it's important. We talk about the erythrocytes (red blood cells), Leukocytes (white blood cells), and thrombocytes (platelets) and show how they contribute to the 3...

In this episode we examine the topic: Where Did Ancient Christians Meet?

In this video, we will cover how to add text and labels in the remaining rooms of the drawing, including additional bedrooms, study, utility rooms, and other spaces, to provide detailed information and annotations.

Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.

This video is answering the question of where do Buddhists worship.

Anastasia Khoo on creating a viral Facebook campaign to support equal marriage Subscribe to the Guardian HEREref='http://bitly.com/UvkFpD' target='_blank' rel='nofollow'>HERE Activate London Summit 2013: Anastasia Khoo, marketing...

Neurons are the basic building blocks of the nervous system.