And yet, in two million years, the human brain has nearly tripled in mass, going from the one-and-a-quarter-pound brain of our ancestor here, Habilis, to the almost three-pound meatloaf everybody here has between their ears.
cilvēka smadzeņu masa  ir teju trīskāršojusies, no puskilogramu  mūsu senča <i>Habilis</i> smadzeņu līdz gandrīz  pusotra kilograma gaļas blāķim, kas ikvienam no mums ir starp ausīm.