Why Smart People Make Bad Decisions
Intelligence doesn't prevent bias. Overconfidence makes smart people overestimate ability. Blind spots persist regardless of IQ.
January 2026
February 2025
What Is Behavioral Genetics?
Behavioral genetics explained: what twin and adoption studies really show about intelligence, personality, and mental health — and what heritability does and does not mean.
January 2024
What Is Intelligence
A comprehensive scientific examination of intelligence: Spearman's g factor, fluid and crystallized intelligence, the Flynn effect, IQ predictive validity, multiple intelligences, heritability, and the race and IQ debate.