A new general nonlinear dynamical model predicts potential population crisis scenarios, suggesting that future demographic trends could lead to significant societal and economic challenges if current patterns continue.
A blog post examines the expected IQ spread among members of a jury, relating it to discussions about how large IQ differences can hinder communication between people.
This post examines how to compute the expected range of n samples drawn from a standard normal distribution N(0,1). The results are given in units of σ, so they can be scaled for other standard deviations.