Just that mine did. I couldn't effectively do new research if I didn't understand the latest research, and there often wasn't someone to teach it. I found my ad

Just that mine did. I couldn't effectively do new research if I didn't understand the latest research, and there often wasn't someone to teach it. I found my advisor would guide but rarely lecture. This is especially true as my research was cross disciplinary, so I had to know topics that had nothing to do with my own undergrad.