It is not only physically IMPOSSIBLE, it is also EVOLUTIONALLY
impossible.
To be able to fly, the human brain will have to be reduced in size,
because our brain is very heavy. Our skeleton is too dense and
hence too heavy. Our body contains a lot of fluids, water mostly.
And growing feathers and turning our arms into wings, aren't in the
blueprints of our DNA.
So just imagine, if scientists are able to genetically create a
flying person, the resulting flying-person will be so much less
inteligent because of a smaller brain (bird-brained), fragile
because of thinner & lighter bones (hollow bones), and likely
have a very short lifespan - metabolic rate will also be
affected.
Here's a fact; the larger and slower moving warm-blooded creature
(us included), will have longer lifespan. Think elephants or
tortoise.
