This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Saturday, 18 September 2021
Going Dutch
Shock, horror, the Dutch are getting smaller (https://www.theguardian.com/science/2021/sep/17/why-does-worlds-tallest-populace-dutch-seem-to-be-getting-shorter). The inhabitants of the Netherlands, have been noted for their impressive heights. It now appears there is currently a small reduction in height in the current crop. It has been suggested that the reduction is a consequence of immigration (people with fewer genes for impressive growth). The reduction is, however, seen in people with all four grandparents born in the Netherlands. A more likely cause appears to be changes in diet. People are now more likely to consume more convenience food (high in calories but poor in nutrients). A similar phenomenon appears to have occurred somewhat earlier in the US. Clearly, adult height is a genes/environment interaction.
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