Honeybees are some of nature's finest mathematicians. Not only can they calculate angles and comprehend the roundness of the earth, these smart insects build and live in one of the most mathematically efficient architectural designs...

A beautiful proof of why slicing a cone gives an ellipse.

A beautiful proof of why slicing a cone gives an ellipse.

Moser's circle problem. What is this pattern: 1, 2, 4, 8, 16, 31,...

We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio?...

A bit of the history behind how we came to use the symbol "pi" to represent what it does today, and how Euler used it to refer to several different circle constants.

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process...

After a friend of mine got a tattoo with a representation of the cosecant function, it got me thinking about how there's another sense in which this function is a tattoo on math, so to speak.

Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right? Prepare to have your mind blown in this episode of Crash Course Physics where Shini delves into the world of...

Earth is a huge planet full of incredible sights and amazing creatures! But have you ever wondered where the Earth came from in the first place? Well, by looking at other stars and planets, scientists think they have a pretty good idea!

Hank noticed something mysterious in the park one day. Fairy rings: are they mystical portals to another realm? Or could there be another, more scientific, explanation?

Mr. Andersen describes the major groups on the periodic table.

Have you ever wondered how you can turn the light on in your house? Or maybe why you can push a doorbell and it makes a sound? This happens because of circuits! Join Jessi and Squeaks as they learn how circuits work, and make their very...

Tag along with Jessi and Squeaks to learn how to make your very own model of the Solar System!

New ReviewIn this Grade 7 math lesson, students will learn how to determine the distance between the center of a circle and a point drawn on the circle when the radius is given. We begin by reviewing the definition of a circle’s radius and...

New ReviewIn this math video, we will learn how to write an AND compound inequality that represents a number line graph. Students will review how open circles show less than or greater than (not inclusive), while closed circles show less than or...

New ReviewIn this math video, we will learn how to write a compound inequality that represents a given number line graph. Students will review how open and closed circles communicate the meaning of less than, greater than, less than or equal to,...

New ReviewSimon Sinek is an American author and speaker. Two of his books have had a huge influence on leaders in business and public service: Start with Why, and Leaders Eat Last.

New ReviewIn this video we are going to go over how to determine the other quadrants of the unit circle

New ReviewThis Student asked me to graph the radian in standard form so I decided to make a video about it how I like to approach it.

New ReviewWhen you need to graph the tangent function, not always does it need to be exact with multiple points. Sometimes we just want to know how to graph something quickly.

New ReviewWhen you need to remember how to graph the sine and cosine graphs quickly there is one thing you should remember. In this video that is what I want to explore with you.

New ReviewWhen you are learning about the Unit Circle the most important part is the first quadrant. In this video I will explore how the first quadrant is created and where the values come from.

New ReviewIn this video I am going to work through how to evaluate a basic trig function using the unit circle and one more difficult