Marek Kwiek had an invited seminar at Stanford University on June 5, 2025:

“Jumpers-Up and Droppers-Down in Research Productivity? No Chance, a Longitudinal Study of Research Productivity of 320,000 Late-Career Scientists“

The seminar is available from YouTube here.

The seminar series, run by John Ioannidis, is organized by METRICS, Meta-Research Innovation Center at Stanford University, Palo Alto, USA.