For years the question of what makes us human has remained unanswered. There are many small factors that go into someone's humanity. The want to gain as much knowledge and become as successful as we can, The ability to tell the difference between right and wrong, and our curiosity . Regardless, all of these factors fall under one key aspect: the brain. Starting off, people want to become as smart and as successful as possible. This is shown by the rate of growth of people's intelligence. This is shown by the fact that the overall IQ scores have risen about 5 points from the year 1950 to year 2000. This curve may not be as big as some might expect, but it still shows that humans are willing to grow intellectually. Also, people use this knowledge
