An amazing microcosm. A slow walker is an animal that cannot be killed.

A tardigrade, better known as a water bear, is a microscopic animal capable of withstanding the most extreme conditions. Due to the ability to fall into a state of anhydrobiosis, these organisms can tolerate extreme temperatures, extremely high pressure and radiation. In this article, we will look at the extraordinary resilience of slow walkers and the consequences that this can have for scientific research and the survival of living beings on our planet.