All human beings are carbon-based life forms so how is it then that we are all so different? Why are some people left-handed and others right-handed for example? Why are people either scientific left-brain thinkers or creative right-brain thinkers? Where did all these differences come from? When our ancestors slithered out of the Primordial Soup were these characteristics already in place?
The answer is no. What has shaped our characteristics is the dust that was spread over the Earth by solar winds, comets, and the properties of Dark Matter.
All of us have carbon that was part of a star or galaxy that died a billion or more years ago. Our fundamental characteristics depend on where the majority of the carbon within us has come from in the universe. Scientists have long been studying the properties of carbon atoms and have determined four different types.
It seems that carbon that came from the nearby Beta-Centauri nebula explosion that happened around three billion years ago provides right-handed characteristics in people.
90% of the carbon on the Earth came from this common explosion.
Left-brain thinkers have more carbon from the Cygnus Major explosion 2.532122211 billion years ago – Cygnus Major, whose white dwarf can still be seen on early spring evenings in the southern hemisphere at exactly the same place at exactly the same time, was 40.66261 million light years away from Earth.
Carbon from the Andromeda Right Spiral (ARS) Galaxy that died who knows when (perhaps 2 billion years ago) is found in creative, right-brained people. The ARS Galaxy is estimated to have been 300 million or so light years from Earth and was found over there somewhere in the western sky.