Now that we know a bit about the history of microscopy, let's dig into the first form that existed, light microscopy. This is the form that is familiar to most of us, as the microscopes we all looked through in high school biology class...

Your respiratory system is a system in humans that is designed to extract oxygen from the air so we can use it in respiration around the body and at the same time get rid of carbon dioxide gas into the air which is the waste product from...

A rebuttal to Crash Course's video "The Renaissance, was it a thing?"

This video explores the process of sperm cell production in the male reproductive system, including the anatomy of the testes, the seminiferous tubules where sperm cells are produced, and the epididymis where they mature and become...

How can a building define a city? A look at London's "Gherkin" designed by Sir Norman Foster will give us some insight.

This video provides a concise overview of human embryonic development, starting from fertilization and the formation of a zygote, to the development of germ layers, major body systems, and finally the birth process. It emphasizes the...

Every day we eat a wide variety of food to provide the body with the energy it needs. All food is not the same and contains different types of nutrients. This series of programs explores the six major groups of nutrients....

Resonance is introduced and demonstrated using a “singing rod”, a swing, a goblet, a hollow tube in water, a hollow tube open on both ends, a seashell, a broken speaker, a human body and a key fob, and a shorter “singing rod”....

Liquids have some very interesting properties, by virtue of the intermolecular forces they make, both between molecules of the liquid and those between the liquid and some other material they are in contact with. Let's learn about...

Why it's time for a little more magic and a few less numbers in the search for breakthrough ideas.

In this video, we explore the groundbreaking discoveries of JJ Thompson and his plum pudding model of the atom. Thompson's experiments with electric currents and magnetic charges led him to hypothesize the existence of negatively charged...

Over a thousand tornadoes happen every year in the United States but only few dozen take lives. Most tornadoes are brief and weak but the tornadoes that are large and powerful can wipe homes off their foundations. Tornadoes only come...

This video explains the three main types of blood vessels - arteries, veins, and capillaries - and their functions in the body.<b<br/>r/>

Blood and Circulation part 4/9

While most people see viruses as harmful, Angela Belcher at Massachusetts Institute of Technology sees the future of energy. Belcher uses viruses engineered in her laboratory to form nano-scale wires for tiny batteries that could...

Weather forecasting requires observation. Beyond the things we can see, hear and sense, meteorologists need detailed data to observe distant weather, whether that is distant along the ground, or distant up into the sky. Weather...