Bill Nye shows all kinds of unexpected places where magnets can be found. In fact, the Earth itself is a huge magnet! Find out how to make a compass and why opposites attract. Written by Anonymous

Bill Nye's lecture explains about air having a mass as well as the sun's heat and our planet's celestial rotation keep the air windy.

Bill Nye's scientific lecture about our blood and circulatory system. He explains how valves, blood cells, and the circulatory system operate together to pump up in our hearts.

Have a blast watching the explosive examples Bill Nye uses to explain how everything is made of chemicals. Written by Anonymous

Bill Nye's scientific lecture about a stationary electric charge typically produced by friction that causes sparks or crackling or the attraction of dust or hair.

Watch Bill Nye become tangled in a complex food web in his quest to demonstrate that all living things depend on other living things to survive. Written by Anonymous

You won't believe your eyes when Bill Nye reflects, refracts, bends, bounces, absorbs, and pulls light waves to show how things can be seen in different ways. Written by Anonymous

Bill Nye's anatomical lecture about the skeletal system and muscular system.

Bill Nye's aquatic-themed lecture explains why oceans are salty. In addition, he explores the ocean currents themselves.

Bill Nye's scientific lecture is about heat. It flows being the energy of moving molecules. Heat can make anything go and burn as long as it features convection, conduction and radiation.

Bill Nye's lecture focuses on all insects, but spiders and scorpions are arachnids.

Bill Nye's scientific lecture about balance explains how something moves by giving it either a push or a pull. The size of its change relates to the strength or amount of force involving a push or pull.

Bill Nye sheds light on solar flares, eclipses, sunspots, fusion, and solar energy, and visits an enormous solar energy farm outside Sacramento, California, to demonstrate how the sun is the source of energy for all living things on Earth. Written by Anonymous

Bill Nye's lecture is all about our brain which physically understands the words we see and hear. It controls our heart, our oxygen, our body temperature, and even our stomach. Our brain smells, sees, thinks, moves, and remembers all kinds of things all the time as long as it operates everyday. Written by Anonymous

Forests have trees, and lots of them. But there's more to forests than meets the eye. Venture deeper into a forest, and you'll see that it's home sweet home for a lot of different plants and animals. Remember that forests aren't all pine trees and brown bears. There are many different kinds of forests, such as tropical forests, rain forests, and deciduous (deh-SID-joo-us) forests. Each type of forest is home to different species of plants and animals. Written by Anonymous

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Bill Nye's scientific lecture about momentum which is the product of mass and velocity of physical movement.

Bill Nye's zoological lecture is all about reptiles.

There's something in the air. Bill Nye's scientific lecture is all about the atmosphere, its five different levels, and how it protects the Earth. He also soars into the heavy topic of atmospheric air pressure and radio waves. Written by Anonymous

Bill Nye gets aerobic about the importance of respiration when he jogs, bikes, swims, and scuba dives. Discover how to measure how much air each breath contains, and make a model lung in a nifty home experiment. See a demonstration of how cigarette smoke can infiltrate and injure lungs. Written by Anonymous