New ReviewFrom the scientific method to the function of a cell, the eBook has it all. A useful resource provides a free biology textbook with a focus on context. The text begins with an overview of the process of scientific inquiry and biology...

Substances that decompose with the help of living organisms do so at different rates. Scholars experiment with Winogradsky columns to determine the rate of decomposition, the oxygen and sulfide content changes, and bacteria levels. The...

Bioenergetics strives to describe how living things gain and transform energy for biological purposes. First, pupils learn about the types of energy before exploring the importance of energy in biological processes. Next, they discover...

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,...

How does energy from the sun make plants grow? Scholars move step by step through the processes that promote plant propagation during a detailed lesson. The resource illustrates ADP production and hydrolysis, then allows learners to...

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...

Take it all the way back! Young scientists discover the changes that took place from the time Earth became solid to present day through an interesting interactive. The resource guides users through key events that have shaped our world...

When you get to the heart of the matter, you learn a lot about an organism by studying its circulatory system! A perfect resource for a zoology or anatomy class, the simulation gives users a peek inside a variety of vertebrates to...

How do scientists prove tiny living things respire? Young scientists build a respirometer and measure respiration rates in living creatures. By comparing the measurements of both plants and animals, they understand the similarities.

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 sweet...

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...

Whether you're battling the flu or trying to warm up on a chilly day, your body's ability to react to temperature change is fascinating! Anatomy scholars discover the fantastic feedback loops that control body temperature in a rigorous...

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. 

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...

Whether you need a new textbook for your health class, or a few exercises and passages for your lesson on nutrition, you'll find what you need with a thorough nutritional science resource. With 15 chapters that cover elements of...

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 to properly perceive...