Data accessibility statement
No new data were used in this manuscript; all data used are publicly
available from the US Survey of Earned Doctorates Data Tables (Data
available from the National Science Foundation:
https://ncses.nsf.gov/pubs/nsf20301/).
Type of article: Viewpoint
Counts: Abstract words (146), main text words (2044),
references (48), figures (1), text boxes (0)