The brain is a three pound mass you can hold in your hand that can conceive of a universe a hundred billion… — Marian Diamond Copy Share Image
The brain is a three pound mass you can hold in your hand that can conceive of a universe a hundred billion light-years across. — Marian Diamond Copy Share Image
The human brain is the most complex mass of protoplasm on earth-perhaps even in our galaxy. — Marian Diamond Copy Share Image
