A day does not go by without using simple machines. This program explores the six major types of simple machines with practical, colorful examples of each. Vivid video footage illustrates how each of the following simple machines works...

In this video, students learn how to reflect a point on a coordinate plane by changing its values in an ordered pair. They are introduced to the concept of quadrants and the unique positioning system (UPS) associated with each quadrant.

Basic demonstration of how to use spreadsheets in an introductory physics class.

👉 Learn how to find the extrema of a function using the second derivative test. The second derivative test states that if a function has a critical point for which f'(x) = 0, and the second derivative is positive, then the function has a...

Ice is an essential component of the ecosystem of the Bering Sea region. For example, sea ice cover can dramatically affect the levels of phytoplankton which has enormous effects on the entire food web. In this public radio story we hear...

Up until now, chemists who want to design breakthrough drugs, formulate better agrichemicals and develop new smart materials have designed their products using long-established laboratory methods. But, that's about to...

In this video Janet Treasure looks at how when treating eating disorders patients are encouraged to alter negative behaviours to help change their mindsets.

From Newton's laws to E=mc2, we think we have uncovered the secrets of the universe. But some claim these laws evolve and others point to their human and cultural origins. Might eternal natural laws be human hubris? Or is the mind of God...

Janice Cuny is the Program Director for Computing Education at the National Science Foundation.



The CRA (Computing Research Association) board selected Janice E. Cuny to receive the 2007 A. Nico Habermann Award for her...

👉 Learn how to find the extreme values of a function using the first derivative test. The extreme values of a function are the points/intervals where the graph is decreasing, increasing, or has an inflection point. A method that can be...

Towering gypsum dunes span hundreds of square miles in New Mexico's White Sands National Monument, the largest gypsum dune field in the world. Hundreds of animal species thrive in this unique ecosystem, but it's the lizards, in...

Supersonic travel? Colonizing Mars?! Here are 10 incredible ways, the genius inventor, visionary and entrepreneur is changing the world.

Given certain parameters, how would you solve this problem?<br/>
Momentum And Impulse, Part 4

The earth takes one year to orbit the sun but we can measure the length of a year in several ways. If I were to ask (and I do) how would you measure the length of a year? In reference to distant stars? By the time between two closest...

If you go and see your doctor or a therapist, you’ll become a ‘case’ to them. They’ll want to know a lot more about you. Similarly, sociological case studies involve putting a social group, an event or a place ‘under the microscope’....

The video is a promotion for a program that aims to teach and guide individuals on how to launch and grow successful businesses from a Jewish perspective. The program includes insights from 15 highly successful Jewish entrepreneurs, each...

This video provides an overview and explanation of the weather phenomenon known as El Niño. It discusses the origins of the term "El Niño," as well as the varying effects of El Niño on different regions of the planet, including changes...

This video explores the effects of ocean acidification on marine ecosystems and the communities that rely on them. Through interviews with scientists, students, and fishermen in the Pacific Northwest, viewers learn about the causes and...

Thanks to climate change, disease carrying critters are expanding their ranges, and their seasons are getting longer -- meaning they have more space and more time to take a bite out of you or me.

A pedal point or pedal note is a musical device that is used to build harmonic tension within a piece of music. A pedal point is usually the dominant note (the 5th degree of the scale), either sustained for a period of time or repeated...

This video is a lecture presentation that explains Maslow's hierarchy of needs, which is a theory in psychology that describes the different types of needs that individuals have and how they relate to each other. The presenter discusses...

In this video, students learn how to position a group of numbers that include decimals, fractions, and integers on a number line. They review how to order decimal numbers from least to greatest and how to change decimals to fractions and...

You learn exactly how to hold a strong container, in order to make sales to clients and customers, fundraise effectively, build a strong product and iterate on it, define your ideal teammate and recruit him/her, build a board of...

Researchers are mapping local 'food environments' to show the relationship between income, where you live and obesity. The FT meets the people using this data to help change shopping and eating habits.