Genetic science and Plastic Surgery

1. Mahabharata says Karna was not born out of his mother's womb. This means people then were aware of genetic science. 
2. There must have been a plastic surgeon who fixed an elephant's head on Ganesha."

Narendra Modi at Reliance Foundation Hospital Inaugaration

http://www.rediff.com/news/report/modi--reliance-hospital-opening-plastic-surgeon-may-have-fixed-elephants-head-on-ganesha/20141025.htm