Dr. Christopher Emdin is an Associate Professor in the Department of Mathematics, Science and Technology at Teachers College, Columbia University; where he also serves as Director of Science Education at the Center for Health Equity and...

A history and analysis of Arcimbolo's composite portraits

R is on the rise and showing itself as a powerful option in many software development domains. At its core, R is a statistical programming language that provides impressive tools for data mining and analysis, creating high-level...

This nugget explains classification of hydrides into ionic, covalent and metallic.

What is the difference between Alkali metals and Alkaline earth metals? What do the Alkaline earth metals include? What is known about Beryllium? Where is Beryllium found? What are examples of binary compounds of Beryllium? How does...

Dr. Glenn Kleiman is the Executive Director of the Friday Institute for Educational Innovation and a Professor at the NC State University College of Education. A cognitive psychologist by background (Ph.D., Stanford, 1977), his work in...

It's time to start our survey of the periodic table, and we are going to start with just one element, hydrogen. This is the most abundant element in the universe by a wide margin. What does it do? What are its properties? What are its...

This video explains parameterizing the test Data from Json files. This clip is from the chapter "Cypress Framework Part 2- Page Object Design and Test Parameterization" of the series "Cypress - Modern Automation Testing from Scratch +...

In this lecture presentation, the focus is on the carbon cycle, which is an essential element continuously recycled and reused. The video gives examples of different cycles such as oxygen, nitrogen, and water before diving into the...

In this video, the teacher explains the seven elements of effective communication, including active listening, clarity and conciseness, personalization, empathy, confidence, open-mindedness, and giving and receiving feedback. The lesson...

Why don’t we go live on Saturn’s moon Titan? What would it mean if we found life elsewhere? How did life get its start on Earth? NASA’s chief scientist Jim Green and astrobiologist Lindsay Hays discuss these and other audience questions...

Sherman Act Monopoly

The video explains the life cycle of a star, starting from a nebula, gravitational pull forming a protostar, the process of nuclear fusion, formation of a main sequence star, production of elements through fusion, expansion of a main...

This video explains how to verify and automate check boxes with Cypress. This clip is from the chapter "Handling Web Controls UI Using Cypress" of the series "Cypress - Modern Automation Testing from Scratch + Framework".This section...

Earth is a living, dynamic world thanks to volcanoes and the planetary heat that fuels them. The InSight mission wants to see if Mars also has a heartbeat deep inside its cold exterior.

Clare Taylor is an award winning fifth grade teacher in West Hartford, CT. Here she discusses Service Learning.

How do fuel cells work? How is hydrogen created to fill up the cars? Will there be a lot of hydrogen cars created soon? Creating Greener Cars, Part 2

Cartesian products can create sets of ordered pairs which correspond to points in 2-dimensional space, or ordered triples which correspond to points in 3-dimensional space. These sets form the logical foundation of the Cartesian...

Brian Arthur, External Professor at the Santa Fe Institute, speaking as part of the panel Exploring Complexity in Economic Theory at INET's Bretton Woods Conference on April 10, 2011.

This video tells the fascinating story of these thousand years of history, from around 500 A.D. to 1400 A.D. The Middle Ages are an incredibly dynamic period of history. So much of what we are familiar with today, from states to...

Requirements for Commercial Paper to be Negotiable

It explains how to find whether the given relation is a function or not when the relation is represented in various algebraic and geometrical forms.

In this section, David discusses arrays. This clip is from the chapter "Arrays" of the series "C++ for Beginners".Arrays

Let's go ahead and work on the second part of the challenge. In this session, we will extract the city and state from the purchase address. This clip is from the chapter "Structured API - Spark DataFrame" of the series "Apache Spark 3...