But neither has the environment. In the past 500 years the environment has changed exponentially, then too won’t the people? We would have to. People today are exposed to more information than we have been over the entirety of the past 10,000 years.(Which is to say, if you took all the info collected over the past 10,000 years, it would not amount to all the information we have today.) what are people doing with all this information? EVOLVING! Human biology is changing significantly today, right now.