why is it that the left lobe of the brain controls the right side of the body and the right side of the brain controls

Question: why is it that the left lobe of the brain controls the right side of the body and the right side of the brain controls the left side of the body?
- Keywords:
  body,
  brain,
  neuroscience
Asked by Deadtrigger109 to Claire, Liad, Ruth, Ryan, Mako on 17 Jun 2015.
- Liad Baruchin answered on 17 Jun 2015:
  
  Actually the evolutionary reason for it is not yet clear. So it’s basically one of nature’s curiosities.

Question: why is it that the left lobe of the brain controls the right side of the body and the right side of the brain controls the left side of the body?