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Underground microbes may have swarmed ancient Mars

According to French scientists, ancient Mars may have had an environment capable of supporting an underground world teeming with microscopic organisms. The researchers concluded that if these simple life forms existed, they would have altered the atmosphere so profoundly that they would have triggered a...

Chromatin found to have originated in ancient microbes one to two billion years ago

2 metres of DNA must fit into a nucleus that is only 8 millionths of a metre wide in practically every human cell. The tremendous space challenge requires DNA to wrap around structural proteins called histones, much like wool around a spool. Chromatin is...

Marine microbes swim towards their favourite food

Every teaspoon of seawater contains more than a million marine bacteria, though it is invisible to us. These tiny microbes play pivotal roles in governing the chemical cycles that control our climate and shape the health of the global ocean. But are they passive...