Science has not been successful by making up explanations of things that fit with the current social fabric.
Science grows like a weed every year.
Natural DNA is a tractless coil, like an unwound and tangled audiotape on the floor of the car in the dark.
My grandfather milked several cows twice a day and supplied the neighbours with dairy products. He liked to go visiting around the county on Saturdays, and he also enjoyed the neighbours when they came by once a week with their empty milk jars. He walked them out to their cars and hung over the driver's side window until they drove off.
If reincarnation is a useful biological idea it is certain that somewhere in the universe it will happen.
We are the recipients of scientific method. We can each be a creative and active part of it if we so desire.