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...

Can having Herpes actually have benefits? While herpes viruses cause harmful or annoying afflictions like chickenpox and cold sores, there’s also evidence it can help your immune system fight unrelated attackers. Join Olivia Gordon for a...

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.

While herpes viruses cause harmful or annoying afflictions like chickenpox and cold sores, there’s also evidence it can help your immune system fight unrelated attackers.

By studying population-level epidemiological trends, researchers have noticed that an old vaccine for tuberculosis may provide some protection against COVID-19.

As Covid-19 vaccines make it into more and more people's arms, you may be hearing that the second dose can be a little rough. But, while it may be unpleasant, these intense side-effects are actually a sign that the vaccines are working....

For many, COVID has been a devastating virus, but there are people who don't exhibit any symptoms at all. Why is that?

Many seahorse species have males with full-blown pregnancies. But in order to do this, their immune system is missing something kind of important.

With T cells thoroughly covered, let's move on to B cells and antibodies, which are the central elements of humoral immunity. How do B cells develop? What are antibodies, how many kinds are there, and what do they do? Let's get a quick...

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...

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...

We've learned about a few techniques in biotechnology already, but the CRISPR-Cas9 system is one of the most exciting ones. Inspired by bacterial immune response to viruses, this site-specific gene editing technique won the Nobel prize...

In this video, we explore the adaptive immune system and the interplay between helper T-cells, cytotoxic T-cells, and B-cells.

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...

What if I told you that there’s one cell in your body that if you don’t have it, you will die? And I’m not saying you might die. I’m telling you that you WILL die if you don’t have it. What is it?