Nato Lagidze
- Indexed articles, last 90 days
- 22
- Latest publication
- Sep 17, 2026
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- Jul 17, 2026
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A single Bitcoin transaction carried an average water footprint of about 16,000 litres in 2021 once the electricity and cooling behind it were counted — roughly 6.2 million times the water behind one credit-card swipe, and the figure rises and falls with the price of Bitcoin itself (opens the original)
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In 2021, the average transaction recorded on the Bitcoin blockchain carried an estimated water footprint of roughly 16,000 litres, once the water used to generate the electricity behind the mining process and to cool the machines doing the work is added up. That figure, drawn from a peer-reviewed study published in the Cell Press journal Cell Reports Sustainability, works out to roughly 6.2 million times the water footprint of a single credit-card swipe, based on de Vries’ own estimate — discuss
In July 2024 a gate went up on Mount Fuji's Yoshida trail with a 2,000-yen toll and a ceiling of 4,000 climbers a day, and infrared counters on all four routes tallied 204,316 climbers for the full season against 221,322 the year before, while the other three routes had no gate. (opens the original)
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In the summer of 2023, roughly 221,000 people climbed Mount Fuji across its four trails. A year later, after Japan’s most climbed mountain got its first paid gate, that number had fallen to about 204,000. Along the way, a preliminary count taken in early September 2024, before the season even closed, put the total at just 178,000, a figure that made international headlines as proof the fee was working before the final tally caught up and cut the apparent drop nearly in half. That gap between the
Venice charged day-trippers to enter its historic center on 54 days in 2025 and 723,497 people paid, 5.4 million euros in all, and the daily average of them slipped only to 13,046 from 16,676, still walking the same alleys as the 48,500 people who actually live there (opens the original)
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On the first Friday of May, 24,951 people paid to enter central Venice for the day. That is more than half the number of people who actually live there. Venice’s historic centre now has just under 48,000 permanent residents, a figure that has been falling for decades and recently slipped under that line for the first time. On 54 separate days in 2025, day-trippers arriving on foot, by car, or by train were charged for the right to walk the same bridges and campi those residents cross to get to w
A study of 7,415 people in the NIH's All of Us Research Program suggests that stress translates into measurable biological wear, allostatic load, more consistently in people whose household income sits above the study's median than in those below it, and the researchers' explanation for the gap has (opens the original)
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At a health psychology conference in Pafos earlier this month, I sat through a roundtable that spent an hour on a question I didn’t expect to still be open at this stage of my field: how do we know the things we measure actually exist? Not in a mystical sense. In the ordinary sense that a lot of psychology, mine included, runs on composite scores built out of smaller measurements that each individually mean very little, stacked together into a number we then treat as if it were as real as a temp
Of fifteen widely used psychological measures put through four separate validity tests, exactly one passed all four, and the field's response has been to publish more measures — the main archive now holds 73,646, over half of which have never been used a second time (opens the original)
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One of the roundtables at this year’s European Health Psychology Society conference was about constructs that may not exist. Not in a provocative sense, and not as a panel of contrarians. Just a group of researchers asking, out loud and in a scheduled session, how anyone knows that the thing they have spent a career measuring is a thing. I have been carrying that question around since. It sits badly with the rest of the job. In 2020, Ian Hussey and Sean Hughes published an analysis with the hone
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