On the coast Newfoundland from Canada, scientists have discovered a species of germs, which live at 1.6km under the sea bed, which is at its turn under 4.5 km of water.

These germs are unicelular organisms, surviving in an ecosystem where there is no light. The scientists which have discovered them are still not sure how [...]

The last researches related to germs show that these progress and are able to anticipate the exterior modifications.
The Escherichia Coli germs can associate higher temperatures (for example the temperatures that can be found in the human orbit) with the lack of oxygen. The germs modify their metabolism, anticipating the oxygen level changes.
For the researchers , [...]