It seems like a simple process: we breathe in, our nose detects different scents, and our brain interprets the smell. But how does it actually work? How can something smell like vanilla to one person, but like urine to someone else?...

Impress upon your learners the importance of using sunscreen to protect their skin throughout life. With this video, they will learn not only about the basics of how much sunscreen to apply and for how long, but they will also have the...

In this age of incredible technological advancements, how have we been capable of storing massive amounts of data? Watch the evolution of big data through major progressions, from storage in a single computer, to today's widespread use...

Some experiences can feel very brief or excruciatingly interminable. How is it that we come to miscalculate time so easily? Our perception of time is heavily influenced by the number of memories and data we record in our brains. Learn...

Could zombies be driven by brain functions just like humans? This is a creative way to demonstrate to your class how we can use evidence and reasoning to diagnose particular situations, as well as to provide young learners with an...

Amazing historical crime scene photos and information is shared by Deborah Blum, an author who has done a tremendous amount of homework on forensic science! Perhaps you could show this to upcoming chemists as you are inspiring them to...

What is the biggest threat to a mass number of humans? Not natural disasters, but rather, pandemics! With a lecture and slide show, the speaker discusses how medical technology in the form of vaccines is bringing an end to suffering and...

Something's fishy here! Fishermen are having trouble catching enough fish to supply the demand due to years of overfishing. Bycatch, the unintentional harvesting of unwanted fish, is also a serious situation. Follow the viewing of this...

When we take things apart, we can learn how they work. Physicist Clifford Johnson explains how we break down all objects into elementary particles of matter and forces. Patterns have been identified with the particles, the existence dark...

According to some ancient Mesopotamians, "The sun was put to shame" during a 14th century total solar eclipse. How can the moon, which is 400 times smaller than the sun, completely cover it? This video demonstrates the answer...

In a 15-minute lecture, a neurobiologist expounds upon the function of the human brain. So many of the pharmaceuticals prescribed for psychiatric disorders have unacceptable side effects. He shares current research that holds hope for...

With so indescribably many stars and planets in existence, certainly we aren't alone in the universe! Or are we? Strangely, we haven't discovered any hints of life beyond Earth. The contradiction, known as the Fermi paradox, is...

Freshwater is not as plentiful as one might think! Explore how limited this fundamental resource is, how it is being used, and how shortages can be addressed. When you are teaching upper-elementary or middle school earth scientists about...

Biotechnology has allowed us to engineer transplantable bladders and other organs successfully. The hope is to someday be able to engineer kidneys, and so save many lives. Dr. Anthony Atala, who specializes in regenerative medicine,...

Can romantic love and affection for family members all be characterized as simply Pavlovian reactions? Through fun cartoon graphics and animations, learn more about the psychological phenomenons that we may experience on a...

Young chemists examine the effects of salt on the pH levels of solutions with the help of this instructional video. Taking a close look at reactions between three different salts and water, students learn to predict the...

An understanding of chemical reactions really boils down to two concepts: entropy and enthalpy. Follow along with this instructional video as it explains how these two principles are used to calculate Gibbs free-energy which...

Forests are like Facebook, a social network of trees and other organisms that support and provide for each other. Professor Suzanne Simard describes how forests are wired for healing, but that they need our help. This video would be a...

Take a close look at the ways humans work to achieve and increase happiness. Cognitive researcher Nancy Etcoff offers a wide range of statistics and findings on the science behind happiness, including cultural dispositions, biological...

Olivier Guyon, professor of optical science and astronomy, explains how scientists are searching for other planets that can support life. Viewers learn the odds of finding a habitable planet, how long it would take, and some techniques...

You know him from his famous science education videos, but now hear him get personal as he tells the story of how his father, while being a prisoner of war, became fascinated with sundials. Today, he has inherited the fascination, and in...

Hear Ed Boyden, an MIT neuroscientist, divulge how the brain processes light and how he has succeeded in curing blindness in mice. There is a brighter future for many humans suffering blindness as prosthetic eyes are developed! Inspire...

The use of fossil fuels is contributing to the amount of carbon dioxide in the atmosphere. If we can produce fuels using cellulose-based ethanol, we may be able to remove carbon dioxide in the atmosphere. Scientists are searching for a...

What are the odds of finding intelligent life somewhere else in the universe? The Drake equation can help us estimate the answer. Advanced astronomers find that perhaps the biggest determining factor is longevity of civilizations. There...