S(ub)lime

Article Abstract:

Bacteria are known mostly in a restless planktonic form, but when starved they shrink into ultra-micro bacterium (UMB) stage and form biofilms when saturated with nutrients. Scientists are now applying these transformations to applications such as oil-well sealing and treating toxic wastes.

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A loose screw: life on Mars

Article Abstract:

NASA researcher David McKay stunned the world when he announced in summer 1996, that the Mars meteorite ALH84001 appeared to contain two microfossils that could be nanobacteria, proving life once existed on Mars. However two teams of researchers since then have challenged the findings.

Mars (Planet), Discovery and exploration, Life on other planets, Extraterrestrial life, Fossils, Meteorites

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Old salts

Article Abstract:

Spores formed by bacteria and found in New Mexico may be 250 million years old, from the Permian period, and illustrate that life can survive under extreme conditions for very long periods.

Spores (Bacteria), Bacterial spores, Paleontology, Permian period

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