For their size and impact, hurricanes are often called the greatest storms on Earth. They expend a tremendous amount of energy through the water cycle, and through wind, to maintain the balance of the atmosphere. Known by different names...

The Cartesian coordinate system, formed from the Cartesian product of the real number line with itself, allows algebraic equations to be visualized as geometric shapes in two or three dimensions.

In this video, Peter Wallbridge, an HR expert with 25 years of experience, discusses the core fundamentals of HR. He emphasizes the importance of aligning HR strategies with the goals of the business and partnering with leadership. Peter...

John Gabrieli is a neuroscientist at MIT, and an associate member of the McGovern Institute for Brain Research. He is a faculty member in the department of Brain and Cognitive Sciences and director of the Martinos Imaging Center,...

The orbit of Earth on a tilted axis around the sun leads to the seasons. The resulting change of angle of the sun, and length of day controls how warm we get at different times of the year. With those changes in seasons come changes in...

This program uses real circuits and circuit diagrams involving batteries as the power source to demonstrate how batteries work and what it does for a circuit. The video shows how batteries work in a series and parallel circuits....

In this video, students will learn what a coordinate plane is and how to locate a point on it by plotting an ordered pair. The video explains the concept of positive and negative numbers on both the horizontal and vertical axes, and...