Science Rules! with Bill Nye

It's a Parasite's World. We Just Live in It.

When it comes to things that give us the heebie-jeebies, parasites reign supreme. But according to this week's guest, ecosystems couldn't exist without them. Chelsea Wood explains what makes them so creepy, how to prevent them from killing us, and why she keeps digging around in decades-old cans of salmon. See omnystudio.com/listener for privacy information.