What If Your Brain Was Twice the Size Bigger?

What If Your Brain Was Twice the Size Bigger?

According to science fiction, a bigger brain means superhuman intelligence. It means that you could solve some of the world’s most complex problems in a matter of seconds. And you could maybe even achieve superhero-like abilities. But would a bigger brain really make you smarter? Why do some experts think that intelligence is based more on your blood flow? And how would our bodies have to evolve to support a bigger brain?