Big brains do not explain why only humans use sophisticated language, according to researchers who have discovered that even a species of pond life communicates by similar methods.
Dr Thom Scott-Phillips of Durham University’s Department of Anthropology, led research into Pseudomonas aeruginosa, a type of bacteria common in water and soil, which showed that they communicated in a way that was previously thought to be unique to humans and perhaps some other primates.
The bacteria used combinatorial communication, in which two signals are used together to achieve an effect that is different to the sum of the effects of the component parts. This is common in human language. For example, when we hear ‘boathouse’, we do not think of boats and houses independently, but of something different – a boathouse.
This type of communication had never been observed in species other than humans and some other primates, until colonies of Pseudomonas aeruginosawere shown to be using the same technique – not, of course, with spoken words but with chemical messengers sent to each other that signalled when to produce certain proteins necessary for the bacteria’s survival.
By blocking one signal, then the other, the researchers showed if both signals were sent separately, the effect on protein production was different from both signals being sent together. More.
See: Durham University
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Russian Federation
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Amazing finding. Another step to understanding our origin. It seems unbelievable that such a small bacteria can use the same type of communication as humans. Does it mean that every living creature on the Earth has common ancestry? There is so much to discover in our world.
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