Part of it is also the fields are much larger. Both internationally of course, but also on a national level. Almost 150 R1 schools in the US now. More grant fun

Part of it is also the fields are much larger. Both internationally of course, but also on a national level. Almost 150 R1 schools in the US now. More grant funded work is being done than ever before. More agencies funding research both public and private as well. More papers than ever submitted to more journals than ever by more people than ever, year after year.