What Goes Around Comes Around!

You know climate change is happening when you see a bee take off its yellow jacket. Part four in a series of five lessons explores all factors affecting climate change: temperature, cloud cover, precipitation, and carbon dioxide. By...

In this age of globalization, the foods we eat often come from countries scattered all around the world. This research-based instructional activity asks young scholars to pick two of their favorite food items and investigate the origins...

How long does it take spacecraft go around the earth? Using the circular orbits of the space shuttle and the International Space Station, groups determine the distance traveled in one revolution, then calculate the distance traveled...

If all of the viruses in the ocean were laid end-to-end, they would stretch 100 times around the diameter of the Milky Way. The video compares various species to determine which is the most successful. Should it be defined by pure...

If you carefully observe populations with short life cycles, you can observe natural selection happening. The video explains what natural selection is, how scientists theorized it, and how science proves the concept. It highlights the...

It's the heaviest organ in the human body, but exactly what role does the liver play in sustaining life? Follow along with this short video as it explores the various ways the liver filters, stores, and manufactures materials in order...

Many people know the feeling of counting backward from 100 before a surgical procedure begins, but what actually happens between number 99 and waking up after surgery? Watch a short video about the different types of anesthesia, the...

Do you often go to bed and wake up around the same time? Does your stomach begin to growl at the same time before eating lunch? This pattern is known as a circadian rhythm. Watch a video that explains the physiological phenomenon and how...

No, you didn't get your genes from the local clothing store. Learn where they really come from by watching this video as it explores how the genes found in all plants and animals today have arisen over billions of years of mutations from...

Toto, I have a feeling we're not in Kansas anymore. Step out of the macroscopic world and into the strange, bizarre realm of quantum mechanics with this short instructional video. Using the example of the Schrödinger's Cat thought...