The world's shortest IQ test and the hardest GCSE question ever - can you solve them?

Can you pass the world's shortest IQ test? Only 17 per cent of people can ...

[Graphic News] Koreans top global average IQ ranking for first time

South Korea ranked first in the world for average IQ, recording 106.97 in the 2026 International IQ Test report. The ranking ...
The Atlantic

A High IQ Makes You an Outsider, Not a Genius

Who has the highest IQ in history? One answer would be: a 10-year-old girl from Missouri. In 1956, according to lore, she took a version of the Stanford-Binet IQ test and recorded a mental age of 22 ...
Psychology Today

Classical IQ Test

IQ tests measure an individual’s cognitive abilities in domains including verbal reasoning, quantitative reasoning, logical inference, working memory, and pattern recognition. This test is not an IQ ...