Just arrange two branches in a bonfire. Most humans will tend to create a 90 degree angle. As any other animals, we are brain wired to recognize symmetry. Is o

Just arrange two branches in a bonfire. Most humans will tend to create a 90 degree angle. As any other animals, we are brain wired to recognize symmetry. Is our main way to find a desirable mate with good genetics or to detect a predator ambushed so is essential in our survival.