There is a connection between IQ and brain size. There are a lot of other factors for IQ, but brain size do matter.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7440690/
There is a connection between IQ and brain size. There are a lot of other factors for IQ, but brain size do matter.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7440690/