How Do Germs Spread (and Why Do They Make Us Sick)?

In an introductory lesson, youngsters take a pre-assessment quiz, get a grasp of a gram of mass, and then estimate the mass of microorganisms that live within a human body. Using Glo Germ™, a material that allows you to simulate the...

Assist your secondary special education class for understanding risky behavior, hygiene, and STDs. The class discusses how germs spread, how people get sick, and what needs to be done to prevent the spread of communicable diseases. They...

What do plate tectonics and ocean currents have to do with global climate? This fourth installment in a six-part series focuses on how plate tectonics and ocean currents affect global climate, both now and in the past, outlines an...

Do you have young scientists wanting to make new discoveries rather than just completing the same experiments? Young scientists use their observational skills to identify animals and patterns in animal behavior. Through tracking...

How can we stop the tiny terrors that cause illness? Junior epidemiologists examine the methods used to control the spread of pathogens with a video from from a biology playlist. The narrator describes the benefits of hygiene,...

Humans have produced more than 8,000 synthetic chemicals, and we don't know the long-term effects on our bodies for most of them. A video highlights current scientific research to determine which are safe and how to modify those that...

The deadly smallpox virus, which killed between 300-500 million people in the twentieth century alone, is a feature player in modern world history. Discover how this disease spread across the globe by and through various nations...

Scientists measure dark matter based on gravity, but how do we find something that can't be detected by anything on the electromagnetic spectrum? Understanding what doesn't work leads to new tests and machines in the search for dark...

Medicine has gone high tech. But how do the new, less invasive diagnostic tools work? An engaging short video sheds light on how integrated photonics is revolutionizing the medical sensor industry.

With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive with this short...