Princeton University physicist Paul Steinhardt reveals how irrational ratios of two repeating patterns produces intriguing and unexpected effects.

Princeton University physicist Paul Steinhardt describes how quasicrystals violate long-established symmetry rules for solids.

Duke neuroscientist Miguel Nicolelis explains his view that the scientific tradition that many biologists inherited from physics of trying to understand the brain by focusing on the neuron as the basic building block, isn’t actually the...

Cognitive scientist Victor Ferreira (UC San Diego) describes his research of testing what is happening in our minds when we speak.

In this episode of Alexa's 'Practise Your French' series, Alexa helps you practise the big numbers.

“Short Vowels” explores short vowel sounds and shares examples of words that include short vowel sounds.

Alexa teaches how to pronounce the "É, ET, EZ, ER & ED" sounds in French.

I've seen the comments. I thought I'd address a few things :D

Alexa teaches you some basic French vocabulary: farm animals in French.

This video shows students the definition of a growing pattern, gives 5 examples of growing patterns, and a math challenge. Pause the video to make it more interactive.

Here are 7 Tips to Politely Interrupt a Long-Winded Speaker. We'll practice the difficult parts together in the video so you can interrupt someone assertively, naturally, and politely.

In this video, the teacher discusses the concept of rational and irrational numbers by analyzing a specific number value and four statements about it. Through a clear and concise explanation of integers, whole numbers, and fractions,...

Ferdinand II returned as the famine and plague subsided, making it seem that his return had restored order to the kingdom. There was little Joanna could do to resist his rule and she was soon sent away from the capitol and kept under...

Multiplication | Numbers| Y1 Maths| FuseSchool Kids

Today we're learning about 25 signs about time and questions. This is part 5 in our series 150 Essential Signs. We feel like these 150 signs are must know signs that you'll need to carry on a basic conversation with a deaf person. Learn...

In this video you'll learn some of the basics in conversational sign language. You'll want to keep these signs "Handy" as you'll use them often in ASL. All together there are more than 50 signs, but we'll tackle about 25 of them in this...

This video shows how to adjust the background Image size and highlights the position options in CSS.
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This clip is from the chapter "Mobile-first Responsive Design in Cascading Style Sheets (CSS) and Web Design" of the series...

We partnered up with Sign Say in the UK to show you a side by side comparison of ASL and BSL. Although there are many similarities in the different sign languages there are also many differences. See if you can spot the similarities and...

This video explains tidying data in R - unite() and spread().<br<br/>/>

This clip is from the chapter "Manipulating Data" of the series "R Programming for Statistics and Data Science".This section explains manipulating data.

In this video, we will learn about the $each operator.
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This clip is from the chapter "Update Operators" of the series "MongoDB—Mastering MongoDB for Beginners (Theory and Projects)".In this section, we will cover update...

This video explains repeat loops in R<br<br/>/>

This clip is from the chapter "Fundamentals of Programming with R" of the series "R Programming for Statistics and Data Science".This section explains fundamentals of programming with R.

In this video, you'll learn the effectiveness of the DRY principle.
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This clip is from the chapter "Coding with JavaScript" of the series "Learn JavaScript from Scratch: JavaScript for Everyone".In this section, you'll get...

This video builds upon the DRY principle and you'll learn how to write larger pieces of code.
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This clip is from the chapter "Coding with JavaScript" of the series "Learn JavaScript from Scratch: JavaScript for Everyone".In...

Learn all about sets in this session.
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This clip is from the chapter "Data Structures" of the series "Scala & Spark-Master Big Data with Scala and Spark".This section focuses on data structures, and the types and...