Carmen E. Lefevre from University College London said that the appearance of lines is the product of genes, hormones and lifestyles.
Many people believe that the leader must have a general, a different appearance from ordinary people, styled to be born to bear.
A gene in the body determines whether we become leaders or just follow the orders of others.
Both women and men prefer female leaders with a deeper voice than those with high voices, even in traditional female leadership positions, according to a new study.
Many years after the death of the great leader of the Russian Revolution in October, scientists have identified the exact cause of his death.
The leading baboons allow their wives to mate with some bad guys, considering it a way to protect their children.