Defining oxidation and reduction in the context of organic chemistry, and introducing common oxidizing and reducing agents.

Pathogens are disease causing microorganisms. They can be spread in many ways; by direct contact, by water or by air. Different pathogens are spread by different mechanisms. How can transmission be reduced or prevented? Depending upon...

Lung cancer is the deadliest of cancers. Screening could save thousands of lives, so why is it not the norm?

We took a look at aerobic respiration in the biochemistry series, and we know that it requires molecular oxygen to occur. But there are other forms of energy production that do not require oxygen. Those are anaerobic respiration and...

It explains the redox reaction on the basis of titrations. It discusses about permanganametry, dichrometry and Iodometry

This video lecture focuses on how the volume of a gas affects its pressure. It first explains how temperature affects pressure and then delves into the example of how a fixed mass and temperature of gas stored in a piston react to...

It explains the discovery of electrons by using the cathode ray discharge tube and the e/m ratio. It also shows how to find the charge of electrons.

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

American English Pronunciation: Understand the rules on how to pronounce T in American English.

"How to" on lots of reduction and linking in this video! Gonna and gotta, reducing CAN to "kn", THEM to "em", and a still shot of the [_] vowel! All while making a delicious bowl of ramen noodles. What could be better?

Case studies of companies saving money through changing shipping routes, using technology and behavior change

Did you know that it wasn’t until around 200 years ago that people knew what caused infectious diseases? Before that, they believed that one cause was ‘bad air’, and so they carried around bunches of sweet-smelling flowers to sweeten the...

Learn how to study the speech of native speakers in this American English pronunciation video where we dissect speech together -- a Ben Franklin Exercise. The topic: What I had for breakfast.

In This Episode, Tyler Teaches Us About Plotting Lines using Slope-Intercept

Look at the silent S, and the reduction of 'them', 'her', and 'because' in this American English pronunciation video shot at Coney Island!

Study real English conversation with a native speaker. See how words are reduced and link, and study intonation.

In this video, the teacher explains how to create equivalent ratios by reducing them using common factors. They provide examples and visuals to help students understand the concept.