Exponents demonstrates the meaning of exponents by writing and evaluating numerical expressions with whole number exponents.

Squeaks and Jessi discover an animal with a head that reminds them of a boomerang. Its name is Diplocaulus, and they'll learn all about how that funny head helped it live a very long time...

Could DAOs, or "decentralized autonomous organizations," be the key to building the next great city? Experimental urbanist Scott Fitsimones shares how these mission-driven, blockchain-governed, collectively owned organizations could...

In this video lesson, students will discover the many types of angles that are formed when parallel lines are cut by a transversal. Vocabulary is reviewed and explained. Visual diagrams are used to show the pattern between the eight...

This video is answering the question of how tall is the great pyramid of Giza.

At her first museum job, art historian Sarah Lewis noticed something important about an artist she was studying: Not every artwork was a total masterpiece. She asks us to consider the role of the almost-failure, the near win, in our own...

¿Qué es la materia? ¿Qué tiene que ver con las matemáticas? ¿Y por qué no estás hecho de Jesús? Nos zambullimos en la teoría de (casi) todo: el Modelo Estándar de la física de...

In a few million years, we’re going to have to leave Earth if we want to survive. But how long can we actually outrun extinction before the universe becomes uninhabitable to us?

New York City residents produce 11,000 tons of garbage every day. Every day! This astonishing statistic is just one of the reasons Robin Nagle started a research project with the city's Department of Sanitation. She walked the routes,...

What does real scientific work look like? As neuroscientist Stuart Firestein jokes: It looks a lot less like the scientific method and a lot more like "farting around ... in the dark." In this witty talk, Firestein gets to the heart of...

Photographer Levon Biss was looking for a new, extraordinary subject when one afternoon he and his young son popped a ground beetle under a microscope and discovered the wondrous world of insects. Applying his knowledge of photography to...

Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then, in numbers, see how human behavior has made their tough lives even more challenging.

👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...

We interview the remarkable Vanessa Hill, creator of BrainCraft, a production of PBS Digital Studios, which explores psychology, neuroscience & why we act the way we do.

👉 Learn how to evaluate the limit of an absolute value function. The limit of a function as the input variable of the function tends to a number/value is the number/value which the function approaches at that time. The absolute value...

The House of Lords has been discussed a lot in recent days with them annoying the Tories and Labour talking about scrapping the House. So in this video we explain what the House of Lords actually does and who the Lords are. In the coming...

The video explains the concept of the pentadactyl limb, which is a limb with five digits, found in all four-limbed vertebrates. The video provides examples of how the pentadactyl limb has been adapted to suit different uses in various...

Pushed by warming air and pulled by a shrinking stratosphere, no one knows where the troposphere goes from here.

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...

👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, corresponding, alternate interior and exterior....

Sharmila is a consultant Solicitor, International Private Wealth, at Farrer & Co. She is an expert in UK Immigration and Nationality law, having practised in the area for over 20 years. In that time, she has helped senior executives,...

This video explains how to write the Kafka producer.
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This clip is from the chapter "Kafka Twitter Producer and Advanced Configurations" of the series "Apache Kafka Series - Learn Apache Kafka for Beginners".In this section,...

Students in Mr. Clifford's class participate in at least one sing along song per unit. This is the song they sing right before Christmas break. There are other songs including ones from Kelly Clarkson, Bob Marley, The Little Mermaid,...

Wolves often get a bad rap, especially in fairytales. But are they really as bad as they seem? Yes, wolves are top predators, but there is much more to these awesome animals than simply their hunting habits. Listen to an expert explain...