1. A new study shows what really explains educational attainment (e.g. years of schooling, highest degree earned): It's about 51% genes, 10% shared family environment, and the rest is other stuff, including random effects. https://twitter.com/cremieuxrecueil/status/1687517745376612367 (paper: https://www.nature.com/articles/s41539-023-00173-y)