The Nano Robots Inside You - This is from 2014! Imagine where they are now?

4. feb. 2014 Inside of you, at all times, there are trillions of natural nano robots walking around, taking out the trash, and packaging strands of DNA. Below the calm, ordered exterior of a living organism lies a complex collection of molecular machines working together to create something greater than themselves. Physicist and author of "Life's Ratchet" Peter Hoffmann shows us the tiny city beneath the surface.

Source:

https://www.youtube.com/watch?v=YdjERhTczAs