Free energy, get your free energy here! Learners see that all organisms require free energy, which comes from the sun. The lesson explains the first two laws of thermodynamics and then analyzes metabolism, via glycolysis, on a very...

Paul Andersen compares your endocrine system to Facebook and your nervous system to Gmail in order to show the differences in response time. He then delves into specifics of your endocrine system, talking about hormones that are water...

If you need a summary of respiration, then these three videos will be invaluable to your class. The actual reactions that occur at the three stages of respiration are explained step-by-step, with an explanation of every chemical bond...

The third video in the respiration cycle sequence provides an excellent lesson on the electron transport chain.

Even the titles of many published scientific journal articles confuse most people. The third video in the four-part series breaks down a very complex-sounding scientific journal article. The host avoids using jargon without losing the...

Small but mighty. Scientists study what makes mosquitoes attracted to people, how to fight mosquitoes, and the inheritability of related genes. As part of a larger science playlist, the video shares personal DNA markers, lab experiments,...

Without access to water, humans survive only a few days yet animals that hibernate seem to survive without water for months. Learn how animals survive hibernation in a video that is part of the Seasonal Science series. It addresses many...

Sometimes learning can be pretty sweet! Get your class involved in the sugar-versus-high-fructose-corn-syrup debate with a video from a playlist on chemical reactions. Viewers see the similarities and differences between the two...

Discover the science behind the world's most popular drug. Scholars explore the neural effects of caffeine in an episode of the larger ACS Reactions playlist. The presenter explains how caffeine impacts different neurotransmitters in the...

Is it true that chocolate can make dogs sick? If so, how much chocolate and how sick? Answer these and other related questions using a brief video from the American Chemical Society's Reactions playlist. The resource explores the...

What is the sled dog's secret to running for days on end without tiring? Turns out the answer is in their metabolism. Explore the metabolic processes of these amazing sled dogs. The science shows they are able to burn their proteins and...

Use the 36th video of 47 to explore metabolism. Individuals begin to understand what metabolism is, physiologically what it does, and how anabolic and catabolic reactions assist in digestion. 

The 37th video in a series of 47 about the human body delves into metabolism. Scholars review cellular respiration and see how it, ATP, and glycolysis play a role in metabolism and how all of this relates to sugar levels in the body. 

Increased oxytocin helps people read facial expressions with greater accuracy. Video explores the way this hormone impacts social interactions and highlights the way scientists perform research to confirm the findings. Then the video...

Humans' entire DNA sequence would fill two hundred 1,000-page telephone books. In the video, the instructor discusses the essential characteristics of all life - genetic code, the central dogma, and shared metabolic pathways. Scholars...

There's archaea in my primordial soup! Viewers watch a video that explains what an archaea is, why it took us so long to find them, how they are different from eucaryota and bacteria, and the interesting discoveries about their...

Learn about the wonders of water and why it is required for life. The resource contains a simulation to see how the molecules interact as a medium for metabolism. 

Learners discover how we measure a healthy energy budget for our bodies with this educational video from TED-Ed. It reviews not only the definition of a calorie, but also such concepts as basal metabolic rate and how...

Hidden in our neck is an important, but often overlooked, little organ called the thyroid. Enjoy this short video as it explains the vital role this powerful organ plays in controlling the function of all...

Nutritionist Radhia Gleis explains what metabolism is and how to assess it. Food is processed and used by the body producing waste in the end. The steps of the digestive system are explained from its beginning in the mouth to its end in...