First fossil brain found in a bug-eyed fish

 作者:农罱功     |      日期:2019-03-09 01:09:01
THE first fossil brain ever found is that of a 300-million-year-old fish. Alan Pradel of the French National Natural History Museum in Paris and his team took X-rays of four iniopterygian fish fossils from the Carboniferous period, aiming to infer the size and shape of the brains from the skulls. Pradel was stunned to realise that a faint object “like a ghost” inside one skull meant that the brain itself had been preserved (Proceedings of the National Academy of Sciences, DOI: 10.1073/pnas.0807047106). A film of bacteria seems to have coated the brain after death,