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Articles on IQ

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The Supreme Court issued a decision on June 29, 2023, that ends affirmative action in college admissions. Drew Angerer/Getty Images

A 2003 Supreme Court decision upholding affirmative action planted the seeds of its overturning, as justices then and now thought racism an easily solved problem

The Supreme Court’s decision to eliminate affirmative action programs sent shock waves across the US and is expected to impact racial diversity throughout society.
Experts have voiced concerns about the uptake of a recent Canadian study, in which water fluoridation was associated with slightly lower IQs in children. (Shutterstock)

Does water fluoridation really damage your children’s IQ?

Community water fluoridation is a cost-effective public health measure that can reduce cavities by approximately 25 per cent. Yet some communities are worried about it.
We found students who played chess didn’t show significant improvements in their standardised test scores. from shutterstock.com

Most people think playing chess makes you ‘smarter’, but the evidence isn’t clear on that

Previous studies that explored whether chess improves children’s cognitive abilities have had mixed results. We found playing chess wasn’t linked to better standardised test scores.
Gifted students learn faster than their peers. www.shutterstock.com

How to identify, understand and teach gifted children

Gifted students have the potential to be our future Einsteins. But they will only do this if we support them to learn in an appropriate way.
The microbes that live in our gut are essential to good health. Alpha Tauri 3D Graphics/SHutterstock.com

The key to our humanity isn’t genetic, it’s microbial

The effort to edit the genes of Chinese twins implies that all our traits are determined by our genes. But changing our diet, environment, lifestyle and microbes may have a greater effect.
Canada has done a remarkable job of reducing lead in people’s bodies. But the experience of Flint, Mich. – where children were exposed to toxic levels of lead – teaches us to remain cautious. Here, Flint citizens watch testimonies before the House Oversight and Government Reform Committee, in Washington during 2016. (AP Photo/Andrew Harnik)

From IQ to blood pressure, we should not be complacent about lead

Reduced lead exposure has made us smarter and healthier. Could changes in regulatory agencies across North America endanger this?

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