When IQ scores are plotted on a graph, they typically follow a bell-shaped curve, often called the bell curve. The peak of ...

I received an email with a chart that supposedly ranks the intelligence quotients of U.S. presidents, along with the claim that President-elect Donald Trump would ...

An unofficial ranking of the world's cleverest countries based on criteria including number of Nobel Prize nominations and ...

However, it wasn't until psychologist Alfred Binet was asked to identify which students needed educational assistance that ...

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Explore the history, uses, and benefits of IQ tests in this CerebrumIQ review. Learn why CerebrumIQ is a top choice and the ...

A rigorous nine-year research review looking at the relationship between fluoride and intelligence in children concludes that ...

IQ scores were usually reported as averages for ... or childhood and full-scale IQ,” he wrote. Other recent, high-quality studies showing no association got short shrift as well, he added.

In August 2024, a US federal report sparked heated discussions. Fluoride, added into water to prevent cavities, was linked to slightly lower IQ in children. Although the report only reported “moderate ...