Science ABC
Why Do Healing Wounds Itch?
When our body sustains a wound, new cells are formed near the edges of the injury and then move down to the base of the wound. Once these cells have migrated to the center of the wound, they connect with other cells nearby. Once this...
Science ABC
Why Are Some Meats Eaten Raw And Some Are Not?
Raw meat from certain animals, such as fish, contain fewer pathogens – bacteria, viruses, and parasites – that can infect humans. Eating raw meat depends on several factors, including preparation, hygiene conditions, the source of the...
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
Plaquetas y Coagulación de la Sangre
Este video explica cómo y por qué se forman los coágulos de sangre. La coagulación evita que perdamos mucha sangre y protege nuestro cuerpo de patógenos. Cuando un vaso sanguíneo se daña, las plaquetas se adhieren al área lesionada,...
Professor Dave Explains
Introduction to Adaptive Immunity
After a rigorous examination of all the components of the innate system, it's finally time to pivot over to the adaptive immune system. If you thought innate immunity was impressive, get ready to be amazed! Adaptive immunity is one of...
Healthcare Triage
Ticks, Mosquitos, and How Climate Change Could Increase Disease
We’re back again with another episode on climate change and human health. The effects of a warming planet on our wellbeing are multifaceted, and there’s a lot to address in these complex interactions. One of those things is an increase...
Healthcare Triage
Climate Change and Safe Drinking Water
In our last climate episode we took a look at how climate change affects the spread of infectious disease. Unfortunately, that isn’t the end of our discussion of disease on a warming planet. Waterborne diseases are already a serious...
Wonderscape
Understanding Harmful Bacteria: Causes, Prevention, and Effects
Explore the world of harmful bacteria and their potential to make us sick. Learn about pathogens, foodborne illnesses, skin infections, and how to protect yourself from the effects of these bad bacteria. Discover the importance of proper...
Curated Video
How Can Animals Drink Water From Dirty Ponds And Not Get Sick?
Forests are not usually teeming with water bodies. In other words, there are only a handful of lakes, ponds, or other small bodies of water that quench the thirst of a lot of animals that live in nearby wildlife areas. As animals...
Curated Video
Kingdoms of Life - Animals, Plants, Fungi, Protoctists, Bacteria and Viruses #1
This video looks at the kingdoms of life - animals, plants, fungi, protoctists and bacteria - as well as viruses - and explores the similarities and differences between them. For each one we explore their key features such as how they...
Curated Video
GCSE Biology - What Is Blood Made of? / What Does Blood Do? #25
Ever wondered what your blood is made of? Red blood cells, white blood, platelets and plasma! Learn what each of these components does and how we can replace it with artificial blood.
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 - Plant Disease and Defences #46
This video covers: - How plants get diseases, e.g. from microorganisms, larger organisms, and mineral deficiencies - How to diagnose plant diseases - How plants defend themselves against diseases Exam board specific info: AQA -...
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...
Curated Video
GCSE Biology - Immune System (Defences Against Pathogens) #38
In this video we take a look at our bodies defences against pathogens. Including the physical and chemicals barriers, and our immune system.
Professor Dave Explains
Neutrophils: First Line of Defense
We've covered macrophages and dendritic cells, so let's move on to neutrophils. These are the most abundant white blood cells, and they act as the first line of defense in innate immunity. How do they form, and what do they do...
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...
Curated Video
Bats, Bats, Bats!
Get to know bats! Jessi shares some amazing information about bats so you can get to know them better and understand why they're such an important group of animals.
Curated Video
Compost and 'Be Somebody'
Jessi talks about Composting, Being Somebody, and what it means to be a boss and making the big decisions.
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...
Curated Video
High Five Facts - Immune System
This video explores five fun facts about Immune System.
Professor Dave Explains
Barrier Surfaces of the Innate Immune System
The first aspect of the innate immune system we will examine is the many barrier surfaces, such as the skin, as well as the linings of the respiratory tract and digestive tract. These cells have to constantly prevent infection from the...