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The weight of the brain is approximately 1300-1400 grams
The weight of brain is not fixed and it also not important that intelligent people have heavier brains because einstein's brain was lighter than the brain of a mad person. And it is also not important that a mad have always heavier brain than intelligent people
by u r definition ,i think my brain w'd b feather'y weight ...... :P
what i have read i had written if you don't believe what can i do
D't take it in a wrong way...i really liked u r way of thinking/answering/understanding the concept(u r expl is like amir khan 3 idiot dialog about books it shows u r way beyond logical comparing with consept)
The adult human brain weighs on average about 1.5 kg