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It seems easy to do so too. Now that we are starting to unlock secrets of DNA and genes things, we are also starting to modify them. As you know DNA contains all information about a person and if it is modified, person too is modified. So, if my DNA is modified then, I too will be modified: physically, mentally or emotionally. DNA modification seems to be key for going elsewhere that is away from Earth.
Anyway, if ever we go on another planet, colonize it and live on it then appearance of us, humans, will change. The physical appearance of a person depends on physical environment surrounding that person. So if ever we go on Mars, our eyebrows will become more important and they will therefore expand in size. Why our eyebrows will evolve is because Mars is dustier than Earth in terms of sand and other small particles.
We know that Earth is not permanent and we know that we will have to go away one day if we want to live on. We also know that Mars, which till now has appeared to be ideal place is going to go in smoke like Earth too. We are not much prepared to teraform Mars though but this is only a matter of time. With new technologies, new ideas will burst out till best one is proposed. Then we can go to Mars. We may however have to transform ourselves to remain alive though. Will we be able to do all this? Well a real spider man would be a great thing to see.
If ever we succeed in doing all these things though then we may say this clearly and loudly, “Humans are one step above everybody else neither in this solar system nor in this galaxy and not even in this universe but in this world.”
K.A.Cassimally is the editor in chief of Astronomy Journal and Astronomy Journal Ezine. He is also the co-founder of the RCPL Astronomy Club. K.A.Cassimally is best known for his article 'Harry Potter and the Moons of Jupiter'. He is also Senior Columnist at BackWash.com where he writes 'Not Scientific Science'. Website: http://www.rcplastronomyclub.zik.mu http://www.backwash.com/content.php?id=358 Email: firstname.lastname@example.org