This video is an educational lesson on the physics of flight. It explains the concepts of air pressure, Bernoulli's principle, lift, weight, thrust, and drag. It discusses how these forces interact to enable an airplane to fly. The video...

What causes different kinds of weather? What is wind and where does it come from? How can pressure systems help us predict the weather? Earth Science - Weather - Learning Points. Understanding weather systems is the key to reliable...

The weather systems on our planet are all driven by one thing: air. Discover how our weather is driven by energy from the Sun, affecting the movement of air. Earth Science - Weather - Learning Points. Our weather is a chaotic and complex...

There are over one billion cars in the world right now, getting people from point A to point B. But cars aren't just a mode of transportation; they also teach an excellent lesson in chemistry. Cynthia Chubbuck navigates the intricate...

The cycle of lava as a destructive and constructive force, building the structure of volcanoes and powering their devastating impact. Earth Science - Geology - Learning Points. Volcanoes are landforms that occur along plate boundaries....

On December 7, 1995, NASA's Galileo spacecraft dropped a probe into Jupiter's atmosphere. This probe uncovered temperatures, pressure and turbulence far in excess of what scientists had predicted. The probe was vaporized after only 95...

Rocks are constantly on the move. Eroded by water, sinking into the sea, and ejected by volcanoes, rocks have their very own cycle of existence. Earth Science - Geology - Learning Points. The rock cycle is the process of rocks weathering...

Common Migraine Triggers, including environmental, biological and psychological triggers



Migraines are often pulsatile and unilateral headaches that are very debilitating and have associated symptoms. Migraines have a wide...

Learn the basics about the properties of nitrogen as a part of the overall properties of matter topic. Nitrogen makes up approximately 78% of the air around us. In this lesson, we will learn about nitrogen, its properties, and its...

Learn all about the Earth's water cycle.
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NASA's Mike Sekerak discusses the DAVINCI mission to Venus.

Learn the basics about the properties of nitrogen as a part of the overall properties of matter topic. Nitrogen makes up approximately 78% of the air around us. In this lesson, we will learn about nitrogen, its properties, and its...