One of the country's leading scientists and former ISRO chairman G Madhavan Nair propounded the theory that some shlokas in the Vedas mentioned about presence of water on the moon and astronomy experts like Aryabhatta knew about gravitational force much before Issac Newton. The 71-year-old Padma Vibhushan awardee said the Indian vedas and ancient scriptures also had information on metallurgy, algebra, astronomy, maths, architecture and astrology way before the western world knew about them, reported PTI. Speaking at an international conference on Vedas, he however, added that the information in vedas was in a "condensed format" which made it difficult for the modern science to accept it. "Some sholkas in one of the Vedas say that there is water on the moon but no one believed it. Through our Chandrayaan mission, we could establish that and we were the first ones to find that out," Nair said, adding that everything in Vedas could not be understoo...