Humans
Brain drain: Are we evolving stupidity?
We got smarter and smarter in the 20th century, but now there are signs that IQs have begun to fall in countries such as the UK and Australia
Features
Mind
It would be stupid to ignore a drop in human intellect
Opinion
Health
Learn a second language to slow ageing brain’s decline
News
Mind
The best parents don’t try to score top marks
Culture
Health
Fake brain helps investigate age’s intelligence decline
News
Humans
Art’s early dawn: When intelligence really began
Features
Humans
Finding the players in the symphony of IQ genes
News
Health
Moderate drink during pregnancy can lower baby’s IQ
News
Mind
Why IQs are rising – and why it’s deadly serious
Opinion
Humans
Death by IQ: US inmates condemned by flawed tests
Despite a US Supreme Court ruling, intellectually disabled convicts are being executed – and it's all down to errors in IQ testing
News
Mind
Crowd IQ is proof that the hivemind is usually best
News
Health
Best evidence yet that a single gene can affect IQ
News
Humans
A question of intelligence
Opinion
Humans
Universal intelligence: One test to rule them all
Features