Every once in a while, traits thought to be lost forever suddenly reappear, like a dolphin or a whale born with complete hind limbs! Known as atavisms, these occurrences can teach us all sorts of things, like how limbs actually grow.

The Harlem Renaissance was one of the richest, most vibrant, and most culturally generative artistic periods in American history and the work that emerged from that period continues to shape the landscape of American arts and letters...

How to think about implicit differentiation in terms of functions with multiple inputs, and tiny nudges to those inputs.

When you flip a coin to make a decision, there's an equal chance of getting heads and tails. But what if you flip the coin repeatedly, so that one option would win as soon as two heads showed up in a row, and another would win as soon as...

Emerging research suggests that paintings might be more than just pretty pictures: how we process what we see in paintings might also impact the way we process the world around us.

Our facial expressions convey a lot about our emotions, but why? Hank explores how our evolution has helped form how we communicate with our faces.

How the right question about Newton's method results in a Mandelbrot set.

Ray Bradbury’s novel imagines a world where books are banned- and possessing, let alone reading them, is forbidden.The protagonist, Montag, is a fireman responsible for destroying what remains. The story raises the question: how can you...

In this short video we will answer a standardized high school math test question where we identify an equivalent exponential expression by simplifying. We will begin by using the Power to a Power Rule to "distribute" an exponent outside...

In this shorts video we will factor a quadratic to solve a problem. We will draw and label a picture to represent the problem. We will use a square to model perfect squares and support factoring a quadratic. This quadratic is a...

In this shorts video we will learn how to factor a trinomial to answer a standardized math test question. We will first examine our answer choices and understand that each has been factored using a value of 8. We will use the table...

In this shorts video we will answer a standardized math test question by using the distributive property. We will understand that the parentheses represent multiplication in the given expression. We will learn that the parentheses in...

In this shorts video we will simplify a polynomial expression. We will begin by clearing the parentheses by using the distributive property. We will review how to identify if a term is positive or negative. We will multiply each term...

In this shorts math video we will answer a standardized math test question using the Product of Powers Property. We will read the problem and understand that our possible answer choices are all powers. We will review the given math...

In this shorts math video we will answer a standardized math test question where we simplify a numerical expression. We will understand that we need to simplify the expression in the parentheses FIRST. We will review that we need to...

During this shorts math video I will be using the area model to factor a quadratic expression. We will use a rectangle as a graphic organizer to support our success factoring a quadratic expression. We will draw a rectangle and divide...

In this math video we will be simplifying radicals TWO ways. We will begin by understanding the power and the relationship between the exponent and the base. We will multiply the base by itself twice since the exponent is 2. We will...

In this shorts math video we will learn about the factors of an exponential expression. We will understand that the exponent of an exponential expression is a variable. The base of the power in the expression is the amount of...

In this Algebra 1 math video, we’ll use the laws of exponents to evaluate a radical expression — perfectly aligned with Standard HS.N-RN.A.2.
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We’re solving a problem that involves a cube root inside parentheses that’s...

In this video, we will cover the IRepository interface.

In this video, you'll learn how to use fluency-building techniques that support early literacy and word recognition. Perfect for kindergarten, first grade, and struggling readers, this reading fluency activity strengthens decoding...

Learn how to calculate gravitational attraction between a point mass and a uniform rod using integration and Newton’s law of universal gravitation—essential for advanced physics students.

This video explores peotry dyring the 18th century and its significicance.

A video entitled "Add and Subtract Expressions" which shows how before adding and subtracting expressions it's important to understand written and unwritten coefficients.