There's been a number of articles about coin change machines. They charge both a fee and a percentage of the amount. Only in the US, however. I've seen them offer to change money into cryptocurrency! Take 'em to a bank. They charge nothing!
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, 15 November 2025
Thursday, 13 November 2025
Wednesday, 12 November 2025
Tuesday, 11 November 2025
Monday, 10 November 2025
Saturday, 8 November 2025
Full of Beans
Beans are an underappreciated food source. The many varieties of legumes are good for the soil and the atmosphere. They fix nitrogen and remove carbon dioxide. Beans are important sources of proteins, roughage and trace elements. Their production takes up much less space than meat-generating cattle and chickens. Beans also need much less water and don't generate problematic waste.They don't contain fats that damage human health. We should encourage folk to see beans as an important park of their diet. They certainly shouldn't be dismissed as second class food ingredients
Friday, 7 November 2025
Tuesday, 4 November 2025
Sunday, 2 November 2025
Tuesday, 28 October 2025
Sandwich Island Saga 62. Wind turbines and birds
Research in Norway has revealed that painting one blade of a wind turbine black, greatly reduces the number of bird collisions. This seems a simple way of limiting a detrimental effect of these installations.
Monday, 27 October 2025
Sandwich Island Saga 60. Making waves
The Hawaiian island's location, in the mid-Pacific, makes them very vulnerable to tsunamis ('harbour waves'). Distant earthquakes (in places like Russia), can trigger these destructive phenomena. Fortunately, these waves can be predicted and folk encouraged to move quickly to higher ground.
Saturday, 25 October 2025
CRISPR and Conservation
CRISPR or 'gene editing' is a powerful tool for subtly changing an organism's DNA. Conservationists are generally focused on saving the natural world. Anthropogenic (human) influences are, however, rapidly changing the planet, often making it difficult for organisms to cope. Some Conservationists are now considering using CRISPR to make organisms more resistant. For example, the Crested anole can be given small DNA tweeks to make it better at climbing. Sea birds could be made resistant to bird 'flu. This would mean, however, a nature dictated by one species.
Sandwich Island Saga 59. Polynesians in Hawaii
Currently, fewer than 22% of folk in the Hawaiian Islands have Polynesian heritage. This includes individuals of mixed race. The figure falls to circa 6% if only folk identifying as 'pure' Hawaiian are included.
Friday, 24 October 2025
Tuesday, 21 October 2025
Monday, 20 October 2025
Friday, 17 October 2025
Cardiff and Cars
Cardiff has become the first UK city to increase its parking charges for heavy cars (more than 2400 kg when fully-laden). The description particularly applies to so-called 'Sports Utility Vehicles'. SUVs take up more space than traditional cars. They also cause more damage to road surfaces. These status symbols also generate more pollution via exhaust emissions, braking systems and tyres. SUVs are also more likely to kill or maim other road users. It's likely that the Welsh car lobby won't like any curtailing of their 'freedoms' (they were incensed by the 20mph limit in built up areas).
Thursday, 16 October 2025
New Homes versus Nature?
It's amazing how frequently politicians opt to abandon environmental protections to boost new home creation. It's also amazing that they have no concept of how much humans rely on the services provided by the natural world. It's not newts and flowers blocking viable home production but generally the profit motives of builders and their clients.
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Sandwich Island Saga 69. All Change Here!
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