How do vaccines work?

53:46

When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists were forced to get creative. Now they've developed lung cancer vaccines that show so much promise, some Americans are defying the embargo and traveling to Cuba for treatment. In an unprecedented move, Cuban researchers are working with U.S. partners to make the medicines more widely available.

NOVA PBS • 2020 • Health

58:02

Michael Mosley shows the sequence of biological events that lead to human birth.

S1E1 • Inside the Human Body • Health

114:42

The epic story of how people around the world lived through the first year of the coronavirus pandemic

1 • The Virus That Shocked the World PBS FRONTLINE • 2021 • Health

10:47

The human immune system is the most complex biological system we know, after the human brain, and yet, most of us never learn how it works. Or what it is. Your immune System consists of hundreds of tiny and two large organs, it has its own transport network spread throughout your body. Every day it makes hundreds of billions of fresh cells. It is not some sort of abstract entity. Your immune system is YOU. Your biology protecting you from the billions of microorganisms that want to consume you and from your own perverted cells that turn into cancer. It's so manifold that it is impossible to cover in one video, so we’ll make a series looking at different aspects of it. Today, what happens when your body is invaded and your first lines of defenses are engaged in a fight for life and death?

2021 • Health

33:43

Just as humans have always sought food to survive, we have also sought the means to preserve that food. Right from the very moment of a kill or a harvest, food begins to break down. With preservation, we can plan for times of scarcity during times of plenty.

S1E3 • The History of Food • 2018 • Health

7:38

What happens when microbes talk to your brain?

In a Nutshell • 2017 • Health