If all the brains were formed in the same way, and if we compare animals with different sizes of brains, larger brains should have more neurons to the brain smaller and bigger size, greater cognitive ability should have its user so that the larger brain that exists should be having greater cognitive capacity but our brain is not the biggest that exists! The human brain is baffling and extraordinary to be the exception to the rule, which the scientists used to say that our brain is special to explain our cognitive abilities, but doing surprisingly large given the size of our bodies, used a huge amount of energy for its weight and brain functioning in addition has a strangely dense cortex so it is special. But why? The neuroscientist Suzana Herculano-Houzel uses his side of detective and guides us through this mystery. Doing "brain soup", it comes to a surprising conclusion. Watch the video and discover surprising and th...