How can we know whatn is going on in their mind

Scientists go after things that intrigue human beings. back it was GOLD which was the most attractive thing and scientists were after an easy way to make gold. They were called ALCHEMISTS. They used to mix various potions and chemicals with a hope of making gold. In the process many new discoveries were made. Then scientists went after a faster means to travel. The results is cars, trains etc. Then the most intriguing thing was to fly in the air like birds. In fact this was as old as the GOLD thing. The result is the airoplane. Another thing that always attracted the minds of human beings was the moon. Today we have landed there too.
The latest attraction is LIFE OUTSIDE THIS PLANET CALLED EARTH. This pulls the scientists attention. As simple as that.

B COZ ALL wesern scientists started believing the MAHABHARAT RAMAYAN as true & ihinking that there are planets where such powerful creatures live & once on this earth too they were.