Checkout the group size theories about humans’ Dunbar number Dunbar figured out that within apes, the one factor that correlates to every species brain size, i

Checkout the group size theories about humans’ Dunbar number Dunbar figured out that within apes, the one factor that correlates to every species brain size, is group size If you apply the formula to humans (ie. measure brain size and calculate the group size), it gives you a number around 150