FuseSchool
What Are Pathogens?
A pathogen is a microorganism that can cause disease. Pathogens may be viruses, bacteria, protists or fungi. Examples of bacteria infections are cholera, typhoid, food poisoning and gonorrhoea. Examples of viral infections are the flu...
Professor Dave Explains
Influenza (The Flu)
We've all heard of the flu, and probably know that it is associated with a particular virus. What is the structure of this virus? How is it transmitted? What steps do we have in place in terms of treatment and prevention? The flu is...
Professor Dave Explains
Human Immunodeficiency Virus (HIV)
Human Immunodeficiency Virus (HIV) is quite the infamous virus, which rose to notoriety in the 1980s once it was discovered to be the cause of AIDS, a terrible disorder of the immune system. HIV is a retrovirus, so what does that mean,...
Ancient Lights Media
How Restriction Enzymes Work
Restriction Enzyme Set: 2. This clip explains the way in which enzymes clip DNA at specific points. The value of restriction enzymes in DNA is presented.
Ancient Lights Media
How do we acquire immunity to bacteria and viruses?
Acquiring Immunity - Viruses/Immunity Set - Part 3, This clip offers a step by step look at how the human body develops immunity to infectious diseases.
Science360
Ask a Scientist – Nano expert: Nicole Steinmetz
You sent us your nano questions, and we answered! In this Ask a Scientist – Nano Edition, we join nano expert Nicole Steinmetz, from Case Western Reserve. See more nano videos and check out our Generation Nano: Small Science, Superheroes...
Next Animation Studio
New swine flu-related virus may potentially cause another pandemic: Chinese experts
Scientists from China have found a virus with “pandemic potential” that is related to the swine flu.
msvgo
Viruses and Viroids
This nugget describes the characteristic features of viruses, viroids and prions. It explains the contributions of different scientist and also provides examples of various types of viruses.
Professor Dave Explains
The Immune System: Innate Defenses and Adaptive Defenses
There are so many critters out there, bacteria and viruses that want to wreak havoc in our bodies. How do we defend ourselves against such tiny threats? The immune system! This is quite possibly the most profoundly remarkable aspect of...
Ancient Lights Media
What are viruses?
Understanding Viruses - Viruses/Immunity Set - Part 1. This clip offers a simplified look at how viruses are structured and how they infect living host cells.
Wonderscape
Science Kids: Charles Darwin and the Theory of Evolution
This video discusses the life and work of Charles Darwin, focusing on his theory of evolution through natural selection. The video concludes by discussing the impact of Darwin's theories on various fields of study and the controversies...
Visual Learning Systems
Viruses and Monerans: Summing Up
Practical examples show how viruses and bacteria are both beneficial and harmful to humans. Animations describe the structure of a virus, and explain how they reproduce and cause disease. Microscopic images illustrate different types and...
Professor Dave Explains
Introduction to the Microbial World
It's time to learn about microorganisms! These are all the tiny little critters in the water, and the air, and in the ground, and inside you. We didn't even know they were there until a few hundred years ago, but once we started to learn...
Professor Dave Explains
Zika Virus (Genus Flavivirus)
Zika is a virus that has been making the news lately, particularly due to its capacity for in utero transmission in pregnant women which has the potential to cause a birth defect called microcephaly. What is this virus? Where did it come...
Professor Dave Explains
Routes of Viral Transmission
Now we know a bit more about how viruses interact with cells, whether those are bacterial cells, or animal cells, such as ours. But how do they gain access to our cells in the first place? How do viruses get inside the human body? Let's...
Professor Dave Explains
Hepatitis A (Hepatovirus A)
Hepatitis is a word that describes an inflammation of the liver. This can happen a few different ways, but it is very commonly due to viruses. Hepatitis A, B, C, D, and E all cause liver disease, even though the viruses themselves are...
Professor Dave Explains
Smallpox (Variola Virus)
Smallpox is probably the biggest killer in human history, and has had a significant impact on the expansion of human civilization. It is caused by the variola virus, which is a poxvirus, so what do those look like? How do they spread and...
FuseSchool
Virus Life Cycle
In this video we are going to look at what happens when a virus invades a host cell. You should already have an understanding of what viruses are.
Professor Dave Explains
Chickenpox and Shingles (Varicella-Zoster Virus)
Lots of kids get the chickenpox. I know I did! I was about four years old. It was awful. But now we can learn all kinds of things about the virus called Varicella-Zoster virus, which causes chickenpox and shingles. What is its structure...
Ancient Lights Media
How do vaccines work?
Understanding Vaccines - Viruses/Immunity Set - Part 4. This clips examines how vaccines are made and how they are able to produce immunity to infectious diseases.
Visual Learning Systems
Understanding Infectious Diseases and Transmission
This video provides an overview of infectious diseases and how they are transmitted. It explains the role of the immune system in fighting off harmful organisms and highlights various ways pathogens can be spread, including direct and...
FuseSchool
Antibiotics
Antibiotics… one of the greatest discoveries of the 20th century. You’ve probably taken them at some point during your life… maybe for a throat or ear infection? About 20 doses of antibiotics are prescribed per 1,000 people every day...
FuseSchool
What is RNA
DNA is a type of nucleic acid. And in this video we are going to have a quick look at another type; RNA. We have both DNA and RNA in our bodies. We need them both! DNA is the blueprint; it contains all of the instructions for the cell to...
Science360
Science Behind The News: Influenza & Flu Vaccines
Every flu season, Americans battle coughs, fevers and body aches. The flu is a respiratory illness caused by a virus, a pathogen that causes disease in the human body. To understand how the flu is caught, spread and treated, Duke...