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...

Does love make us whole again? Is love all we need? Is love folly? Does love let us reach beyond ourselves? Is love a misleading affliction, an emotional roller coaster ride, the best thing in life? Check out what these...

Sample size and controls are features of the scientific inquiry process that are discussed in this quick-paced quip. A comparison is made between randomized clinical trials and epidemiological studies. Terms such as placebo,...

Humans have both positive and negative impacts on biodiversity. A video lesson highlights important human impacts on biodiversity through examples and diagrams. The narrator provides insight to the progression of the topic from...

Details why the polarity of water is so important to life with a video that explains how polarity impacts cohesion, adhesion, capillary action, high specific heat, and solvents.

Why does radiation occur? Learn the reason and the main types of radiation during this video lesson. Scholars discover the makeup of a radioactive atom and the effect of the different types of radiation. They then analyze and create...

When our senses provide data to the brain, does the brain translate those senses simultaneously or only after they are transmitted? Ponder this interesting inquiry with another fantastic TED video, and consider whether our...

Did you know pumpkins are a fruit? Discover how different varieties of pumpkins are grown for different purposes in a brief informational video.

Young geographers discover not only how to read and recognize coordinates on a map, but also gain a deeper understanding of latitude and longitude and how climate changes can vary significantly across latitudes.