The Vedas have upavedas or secondary knowledge: Ayur-veda or science of medicine in the Rigveda, Dhanurveda or science of archery in the Yajur-veda, the Gandharvaveda or science of music in the ...
There is an interesting account about Sage Yajnavalkya and about the Yajur Veda, said Velukkudi Krishnan, in a discourse. Sage Vaisampayana had many pupils, of whom Yajnavalkya was one. Sage ...