nytimes August 18, 2021 10:01am This Brain Remained Intact in a 310 Million-Year-Old Fossil #brain #fossils #horseshoecrabs #paleontology #fishandothermarinelife #endangeredandextinctspecies #illinois #yalepeabodymuseumofnaturalhistory #geologyjournal #yourfeedscience #science #news This Brain Remained Intact in a 310 Million-Year-Old Fossil The discovery suggested that horseshoe crab brains haven’t changed much and that there are more ways for soft tissues to be preserved in the fossil record.