Nanobacteria – Are They Alive?

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Calcium carbonate crystals (nanobacteria-like particles) have a cellular appearance but the new study shows that nanobacteria are not alive. Image credit: Martel and Young. 2008 PNAS.
Calcium carbonate crystals (nanobacteria-like particles) have a cellular appearance, but the new study shows that nanobacteria are not alive. Image credit: Martel and Young. ©2008 PNAS.

Tiny particles called nanobacteria have intrigued researchers in many ways since their discovery 20 years ago, but perhaps the most controversial question they pose is whether or not they are alive.


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