Mysore/Mysuru:  “Both writers and scientists must engage in unravelling the mysteries of nature,” said noted agricultural scientist and writer Dr. K.N. Ganeshaiah. He was speaking at a Kannada symposium titled ‘Krishi Vijnanadinda Charitrika Kadambarigaledege Payana, Ithihasada Garbhadinda Aarisida Amulya Nidhiratnagalu’ (Journey from agricultural science to historical novels — unearthing precious gems from the womb of…