This video explains the human defense systems and how our bodies protect against pathogens or microorganisms that cause diseases. The video emphasizes three main ways of defending ourselves against pathogens: physical barriers, chemical...

The video discusses the topic of investigating the effect of surface area on the rate of chemical reactions. The presenter explains the concept of collision theory and how chemical reactions occur when particles collide with each other....

This is a lecture presentation on rates of reaction experiments. The presenter discusses the concept of the rate of a reaction and how it can be measured. The focus of the experiment is on investigating the relationship between the...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

Since the birth of the first computers, there has been a direct comparison between these “calculating machines” and the human brain. One of the common phrases circulating for decades, promoting the idea of a “brain versus computer”...

This video is a lecture presentation on physical digestion. The speaker discusses the process of breaking down food into smaller pieces without any chemical changes to the food molecules, which is known as physical digestion. The role of...

If you have ever torn up a piece of paper or seen ice melt, then you have witnessed physical changes. This fascinating program helps students understand some of the different ways matter changes physically. Vivid animations also...

The video explains how to calculate energy changes in chemical reactions by considering the energy required to break bonds and the energy released when bonds are formed. The video also introduces the concept of bond energy, which is the...

In this video, we will do a second example calculation using the ideal gas equation of state, PV=nRT. [Solving for pressure, P]

This video provides an overview of reaction profiles, explaining the concepts of exothermic and endothermic reactions, as well as activation energy. The presenter defines each of these terms, provides examples of each type of reaction,...

You can use learning styles--visual, auditory, and kinesthetic (VAK)--when public speaking. FREE 7 Instant Tips for Confident & Composed Public Speaking'http://www.communicationskillscoach.c...' target='_blank'...

NSF-funded research aiming to making it easier for humans to work directly with a robotic partner in applications such as physical therapy



Description: Northwestern University mechanical engineering professor Todd...

This Video Explains: What is Criminal Intent - Mens Rea

So why must every musician sing? Because every musician deserves to reach their full musical potential. This music performance lesson considers the broad benefits of singing for our mental, physical, and emotional health then goes on to...

In this video, a teacher meets with a family to discuss their risk of diabetes and the importance of making healthy lifestyle changes. They explore the family's diet and habits, and seek advice from experts on how to improve their...

British People Give Advice on Mental Health | Easy English 79



Easy Languages is an international video project aiming at supporting people worldwide to learn languages through authentic street interviews and expose the street...

This is perhaps the best testimonial I have heard about our bestselling book, "The Three Rules of Marriage." When I think about why my wife and I wrote this book, this is better than we could have envisioned ourselves. Thank you Kim...

There is no ultimate threshold for pain in human beings. Researchers’ best guess is that the maximum pain a human can tolerate is somewhere higher than 11 dol (somewhere between childbirth and taking a blowtorch to your face). Your pain...

This video provides an introduction to reaction profiles and explains the concepts of exothermic and endothermic reactions, as well as activation energy. The speaker uses a graphical representation of the energy changes involved in...

From the section: Introduction to Computer Networks (ICND1). This Section introduces Computer Networks. This includes lectures on Physical Components, Topology, Speed etc. Introduction to Computer Networks (ICND1): Physical versus...

In this lesson, you can see some common examples of linking in English pronunciation. You can also see how learning about linking can help your English listening and improve your spoken English....

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

In this video, we explore the difference between physical and chemical changes using steel wool as an example. This video is part of the 7-part series, Chemical Changes.

This program explores the essential components and functions of the nervous system while also investigating the endocrine system. The following parts of the nervous system are illustrated through colorful graphics: brain, spinal cord,...