John Ioannidis

New Capabilities

As of July 2026: Co-authored the bioRxiv preprint

The companies claiming to reinvent science are mostly absent from the scientific record. A study covered by Science on July 27, 2026, found that more than half of the world's AI unicorns have never led a single peer-reviewed paper or preprint.

Updated Jul 29

New Capabilities

As of May 2026: Foundational figure in metascience; not directly involved in SCORE

For decades, social science findings shaped everything from classroom teaching methods to criminal sentencing guidelines—yet no one had systematically checked whether those findings held up. A seven-year project involving 865 researchers, nearly 3,900 papers, and 62 journals across 11 disciplines found that about 55% of published claims successfully replicate and 54% of studies are precisely computationally reproducible.

Updated May 30