The world is full of microbes and viruses that can get us sick, but we’ve got an Avengers-style defense system ready to take them on. In this episode of Crash Course Biology, we’ll learn about an animal’s immune system, from their skin...

Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick!

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Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.

Surround a wild animal with humans, and there are bound to be some changes. Here are five animals that show differences in captivity.

Scientists have been turning to the animal world for inspiration for a long time, including for medicines. And many different types of animals have been responsible for this inspiration, including sharks, spiders, and... roadkill.

This Valentine’s Day, send a little love to your bacterial buddies! Our microbes keep us healthy, but some bacteria give their animal companions superpowers, like immunity to poison, or even invisibility!

Surround a wild animal with humans, and there are bound to be some changes. Here are five animals that show differences in captivity.

The animal kingdom is diverse, fascinating, and even inspires the medical world!

Scientists have found that measles is a lot more devastating to the immune system than previously thought. <br/>

New research from the University Medical Center Utrecht has found that immune cells that target microplastics die three times faster than cells that aren’t exposed to microplastics.

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

The immune system (or immunity) can be divided into two types - innate and adaptive immunity. This video has an immune system animation. The innate immune system consists of defenses against infection that are activated instantly as a...

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...

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...

This human body video lesson is all about our immune system and how it keeps us healthy. Students will love this engaging and interactive video.This video serves as a great introduction or review video for your learners.

If you've had coronavirus, are you immune or can you catch it again? What's this I hear about Multisystem Inflammatory Syndrome? And does hydroxychloroquine work or not? Aaron talks you through the studies and facts about some of the...

If you've had coronavirus, are you immune or can you catch it again? What's this I hear about Multisystem Inflammatory Syndrome? And does hydroxychloroquine work or not? Aaron talks you through the studies and facts about some of the...

Paul Andersen describes how plants and animals defend themselves against pathogens. He begins by discussing the hypersensitive response in plants as a nonspecific form of immune response. He then discusses both the humoral and...

The world of animal flight is a fascinating one—join us for a fun SciShow compilation all about birds, bats, and some species you might not expect!

How can we transplant animal tissue into humans? And will we ever be able to grow customized organs? SciShow explains!

U.S. biotech firm Moderna’s coronavirus vaccine has successfully triggered an immune response in all volunteers against COVID-19 during preliminary testing

Unlike humans, domestic canaries don’t have the option of social distancing when one of their own is ill. But canaries may have evolved a nifty workaround for protecting their populations when disease strikes!

The main role of the immune system is to prevent disease caused by infection. Infections can be caused by a wide variety of pathogens, including bacteria, fungi, parasites (such as malaria) and viruses (such as influenza and the common...