IN a preliminary communication published in 1916 Dr. Löhnis expressed the view that all bacteria pass through a definite life-cycle, and the present publication 1 is an extensive review of the ...

Autotrophs participate in the carbon cycle by fixing carbon dioxide to produce the biomass that all other organisms use for life ... anaerobic or microaerophilic bacteria and archaea.

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

However, microbiologists do not fully understand how bacteria's genes relate to their life strategies. By analyzing large DNA ...

Scientists recently identified peculiar micro-burrows in marble and limestone formations in Namibia, Oman, and Saudi Arabia, ...

The discovery has sparked interest among scientists studying endolithic microorganisms, unknown life forms inside rocks.