english: Our brain weighs between 1.2 and 1.5 kilos, but elephant brains weigh between four and five kilos, and whale brains can weigh up to nine kilos, which is why scientists used to resort to saying that our brain must be special to explain our cognitive abilities.
non_english: Naš mozak je težine između 1,2 i 1,5 kilograma, ali mozak slona je težine od četiri do pet kilograma, a mozak kita može biti težine i do 9 kilograma, i zato su naučnici imali običaj da pribegavaju tvrdnji, da naši mozgovi mora da su posebni, jer to objašnjava naše kognitivne sposobnosti.