Crash Course
How Do Outbreaks Start? Pathogens and Immunology - Crash Course Outbreak Science
You may not realize it, but your body is like a fortress, designed to defend you from tiny foreign invaders known as pathogens. This seemingly small world is actually super diverse, and sometimes super dangerous too. That’s why in this...
Curated Video
Receptor
In living organisms, receptors are proteins, often found on the surface of a cell, which can bind to a specific signalling molecule or external stimulus, triggering a response. A Twig Science Glossary Film. Key scientific terms defined...
Curated Video
Immune Defence: Part 2
Antibodies combat some of the strongest foreign invaders that enter your body. What are antibodies and how do they work? Biology - Cells And DNA - Learning Points. Whenever a germ or infection enters our body, white blood cells,...
Curated Video
Germs and Hygiene
Explore where germs are found, how they can affect us, and how basic hygiene can help us avoid becoming unwell. Biology - Healthy Living - Learning Points. Pathogens are microbes that cause disease. Good hygiene is the best way to limit...
Curated Video
The Complement System Song: How The Complement System Works
Do you know complex our complement system is? Check out "The Complement System Song" This song goes over the entire process from the complement system being made up of proteins that are mostly produced in the liver to helping antibodies...
Curated Video
GCSE Biology - What Are Vaccines? Are They Safe? How Do They Work? Vaccines Explained #39
How do vaccines work? What's heard immunity? And what are the pros and cons of vaccination?
Curated Video
GCSE Biology - Communicable Disease #34
Communicable diseases are those that can spread from person to person, because they're caused by pathogens. This video considers what pathogens are, how they cause disease, the different ways they can spread, and how we can reduce that...
Professor Dave Explains
Macrophages: The Destroyers
Before we move on from the innate immune system, let's go through all the cell types one by one, so that we can better understand them. Let's start with macrophages, which are long-lived phagocytic cells. They play a pivotal role in...
PBS
How We Discovered Germs
Humanity didn't always know about the invisible viruses, bacteria, and microbes that can cause disease. But that doesn't mean we didn't come up with some truly bizarre ideas. From the four humors and miasma theory to bloodletting and...
Curated Video
The Humoral Response - B Cell Activation, Antibody Production & Memory Cells
In this video, we demystify B cell activation, antibody production, and memory cell formation in this informative video. Learn how your immune system battles pathogens like the West Nile virus, how B and T cells work together, and the...
Professor Dave Explains
Types of Immune Cells Part 2: Myeloid and Lymphoid Lineages
With the basic functions of immune cells covered, we are now ready to go through all the different types of immune cells, and talk a little bit about what they all do. Again, each type will get its own tutorial later in the series, but...
Curated Video
Plant Defences: Physical Barriers and Chemicals
This video provides an overview of the different ways in which plants defend themselves against pathogens and pests. It explains the physical barriers that plants create, such as cellulose cell walls and waxy cuticles, and how they work...
Healthcare Triage
Measles Infections Can Wipe Out Immunity to OTHER Diseases
We're very clearly in favor of vaccines here at Healthcare Triage, because they save a LOT of lives. It turns out, the measles vaccine was doing more than we previously thought. Getting infected with measles doesn't only make you sick,...
Mazz Media
All About Vaccines
This dynamic, live-action video will inform students about the vaccines. The program begins with an explanation of the human immune system and how it defends the body from pathogens that cause disease. Viewers will learn the difference...
Restoration Planet
Bighorns at the Junction: effects of disease
The potentially devastating effects of disease on the Bighorn poulation in Chilcotin. Filmed over a two year period in the rare grasslands of the Chilcotin in British Columbia.
Science360
Even healthy corals have viruses - Science Nation
Corals are important ecosystem engineers, providing habitat and nutrient recycling to tropical reefs. However, coral species' richness and abundance are in decline worldwide, due in large part to the impacts from global industrialization...
Science360
Even healthy corals have viruses
Corals are important ecosystem engineers, providing habitat and nutrient recycling to tropical reefs. However, coral species' richness and abundance are in decline worldwide, due in large part to the impacts from global industrialization...
Healthcare Triage
COVID-19 and Antibody Plasma Treatments
The FDA recently issued emergency use authorization for utilizing convalescent plasma to treat Covid-19. The idea is that using plasma from a donor who has recovered from Covid-19 has antibodies that can help treat patients who are sick...
Science360
Disappearing Frogs
Disease, pollution, and loss of habitat are killing off hundreds of species of amphibians. One of the biggest threats right now is an aquatic fungus called chytrid that infects the skin of these historically tough, resilient creatures....
Curated Video
Understanding Vaccination: How Memory Cells Respond to Invasion by Pathogens
This video provides an overview of vaccination, explaining how it triggers an immune response and manufactures memory cells, which enables the body to respond quickly and effectively to a particular pathogen in the future. The video also...
msvgo
Principle of Immunisation
It explains the basic principle of immunisation and explains vaccines. It lists a few diseases against which vaccines are available.
Curated Video
What Does It Take To Make Vaccines?
Since vaccination was discovered in 1769 by Edward Jenner, it has come to become an indispensable part of healthcare. Over the last 50 years, advances in science and technology have allowed us to develop vaccines to diseases at breakneck...
Professor Dave Explains
Pattern Recognition Receptors
We've already introduced pattern-recognition receptors, which recognize PAMPs and DAMPs, but now let's go over the specific types, and how they work. How many Toll-like receptors are there and what do they recognize? What are the adaptor...
Healthcare Triage
Who Invented Vaccines? A History of Variolation and Innoculation
Part one of our six-part series on vaccinations, supported by the National Institute for Health Care Management Foundation, dives into the history of variolation, exploring the beginning of the long road that led to vaccines as we know...