Sadly, it’s their last day in the Garden of Babylon. But nothing cheers up Sally like a shopping spree! The class is off to buy souvenirs before they say farewell to this wonderful city. This lesson will conclude our introduction to the...

In this episode we talk about how we’re developing new tools to search for life on Mars.

Vitamin B7 Biotin Deficiency | Sources, Purposes, Causes, Symptoms, Diagnosis, Treatment



Vitamin B7 (Biotin) is a water soluble vitamin important in gluconeogenesis, branched-chain amino acid metabolism and fatty acid...

Glory is a unique research satellite designed to orbit the Earth and achieve two major goals. Glory's first goal is to collect data on the properties of aerosols and black carbon in the Earth's atmosphere and climate system; its second...

ATP is the energy currency of the body. In this video, I talk about what ATP is and how it works. I also talk about the scientists that have contributed a lot to what we know about how ATP works.

Learn about why thunderstorms, tornadoes, hurricanes, and other weather phenomena typically form during the summer.

Lesson on Ketone Body Synthesis (Ketogenesis): In-Depth, step-by-step pathway analysis of the formation of ketones, and regulation of the enzymes involved.



Hey everyone! This lesson is on ketone body synthesis, how ketone...

This live-action video program is about coal The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated graphics and...

This video is a lesson on photosynthesis, the process by which plants make their own food. It explains the three ingredients needed for photosynthesis - carbon dioxide, water, and sunlight - and how plants use these ingredients to create...

In all changes - energy (measured in joules) does not get used up; energy is “CONSERVED”. However, energy becomes less and less useful ending up as environmental waste heat, so we always have to come back to an energy source for more....

In this video, the teacher explains the concept of an electric circuit using a simple light bulb example. The video also highlights the importance of wires and a switch in controlling the flow of electricity.



This video is...