Few people have left-handers and its puzzle why it is?
Most of the people are right-handers and only 10 percent people have left-handers why? It seems like the simple question but actually it includes the full mystery of science.
Scientists have long wondered why left-handed people are in rarity. The new study shows that it happens due to balance between cooperation and competition in human evolution. Scientists come up with theories that are intriguing, persuasive and a little bonkers. Let’s take a look at it.