Beavers: Part bear, part bird, part monkey, part lizard

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It gives me great pleasure to link to this excellent piece on the underlying weirdness of Canada’s national creature, the beaver. “There is an element of the sacred in the beaver, if only in its deep weirdness. One million years ago, beavers the size of bears roamed North America. They pose an evolutionary puzzle, like the platypus, or birds, which share some DNA with dinosaurs. When they dive, they seem more like marine mammals than terrestrial species, more seal than rodent. Their dexterous forepaws look startlingly human with their five nimble fingers and naked palms. They groom their lustrous fur with catlike fastidiousness. Their mammalian beauty ends abruptly in the gooselike hind feet, each as wide as the beaver’s head. The feet are followed by a reptilian tail, which, it has been observed, looks like the result of some terrible accident, run over by a tractor tire, the treads leaving a pattern of indentations that resemble scales.”

How three women set a new climbing record

Sasha DiGiulian writes about how she and her team conquered a 16-metre big wall called Rayu, in northern Spain. “During dinner, the bartender told us that a local climber we’d been coordinating with wagered we’d need to be rescued by helicopter from the mountain within the first week of our expedition. ‘The mountain is very dangerous,’ the local climber said. ‘Maybe it would be a good idea for you to try the easier routes on the left side.’ Men have underestimated my climbing abilities for as long as I can remember. I signed my first sponsorship deal when I was 12 years old, a decade and a half ago, and I’ve been on enough trips since to anticipate that some guy is always going to assume he knows more than me, or suggest an easier climb. I’ve learned to tune it out. Yet something felt different in Posada de Valdeón.”

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Scientists report nuclear fusion breakthrough

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Scientists studying fusion energy at Lawrence Livermore National Laboratory in California announced on Tuesday that they had crossed a long-awaited milestone in reproducing the power of the sun in a laboratory. That sparked public excitement as scientists have for decades talked about how fusion, the nuclear reaction that makes stars shine, could provide a future source of bountiful energy. The result announced on Tuesday is the first fusion reaction in a laboratory setting that actually produced more energy than it took to start the reaction. “This is such a wonderful example of a possibility realized, a scientific milestone achieved, and a road ahead to the possibilities for clean energy,” said Arati Prabhakar, the White House science adviser.

My secret life as a teenaged bulletin board system operator

Benj Edwards recalls how he started a BBS – an online bulletin board system – when he was just 11 years old, and some of the lessons that he learned while running it for the next 30 years: “Thirty years ago last week, my BBS came online for the first time,” he writes. “I was only 11 years old, working from my dad’s Tandy 1800HD laptop and a 2400 baud modem. The Cave BBS soon grew into a bustling 24-hour system with over 1,000 users. After a seven-year pause between 1998 and 2005, I’ve been running it again ever since. Here’s the story of how it started and the challenges I faced along the way.”

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The serial-killer media industrial complex

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Sarah Marshall asks why we are so fascinated with serial killers: “How are we even to know that Samuel Little had a photographic memory if almost all the women in his drawings look so much like one another? Why did the seventy-nine-year-old man who happened to be the most prolific murderer in American history also happen to have one of the most impressive memories in American history? And if you’ve committed just a handful of murders—an unremarkable number, one that won’t even get you on the leaderboard—then wouldn’t it be, well, not a terrible idea to confess to a few dozen more? What if it makes you into something special, and helps the police close unsolved cases all over the country, and makes a great story for the people on TV, who will all want to talk to you now?”

Why did the Roman Baths disappear?

Bathing in massive public baths was once a hallmark of what it meant to be Roman. But in the late Roman Empire, many of these baths closed to the public or were turned into other structures altogether. New research by Jordan Pickett, an archaeologist and environmental historian at the University of Georgia, reveals that a combination of social, financial, and environmental challenges contributed to the decline of large public bathing complexes in Rome and elsewhere in the Empire. While popular myths for the disappearance of Roman bathing once focused on Christian opposition to nudity, his research focuses on social and environmental history as pivotal ways for understanding the decline in large-scale bathing in the late Roman Empire.

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Driving on the moon

Fifty years ago this week, Apollo 17 landed on the moon — the last time human beings walked on our planet’s satellite. With Gene Cernan, Harrison Schmitt, and Ron Evans on board, this was NASA’s sixth and final spaceflight to the lunar surface.

Cernan and Schmitt spent three days on the Moon, setting records for the longest distance traversed in their rover—7.6 km—and the amount of lunar rocks returned. But today, what the mission is perhaps most remembered for is the fact that it was the last time humans landed on the Moon.

The photo of the lunar rover is from a book called Apollo Remastered, by a British photographer named Andy Saunders.

All citrus fruits are derived from three original fruits

Everyone knows that there are a wide variety of citrus fruits, including limes, lemons, oranges, grapefruit, etc. But all of the citrus fruits we know were developed from just a few that occur in the wild, including citron, pomelo, and mandarin. The variety of citrus fruits we encounter at the grocery store in the winter months are mostly hybridized from those species and their descendants.

Citron (Citrus medica) is the citrus fruit that gave “citrus” its name. Records of the fruit go back thousands of years in Mesopotamia, although its origin may be India or Southeast Asia. Citron is more temperature-sensitive than other commercial citrus grown in the U.S. but flourishes in South America and the coastal areas of the Mediterranean. Americans are mostly familiar with citron as a candied ingredient in fruitcake, made from the fruit’s peel.

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Scott Alexander says crypto is not just a pile of scams waiting to happen

By now, there have been so many crypto scams and even outright fraud — like the collapse of Sam Bankman-Fried’s FTX and its sister trading company, Alameda — that it’s tempting to write all of cryptocurrency and the blockchain off as a snakepit of potential fraud waiting to happen. But Scott Alexander, who writes at Astral Codex Ten (an anagram of his name) says there are a few reasons why he doesn’t think we should write it off completely:

  • Crypto is full of extremely clear use cases, which it already succeeds at very well, including the use of cryptocurrencies in countries such as Venezuela, Ukraine, and Vietnam:

“Vietnam uses crypto because it’s terrible at banks. 69% of Vietnamese have no bank access, the second highest in the world,” Alexander says. “I’m not sure why; articles play up rural poverty, but many nations have more rural poor than Vietnam. There’s a history of the government forcing banks to make terrible loans, and then those banks collapsing; maybe this destroyed public trust? In any case, between banklessness and remittances (eg from Vietnamese-Americans), Vietnam leads the world in crypto use.”

  • Big crypto projects are rarely scams:

“I searched for articles called things like The Top Crypto Projects Of 20XX, and then I checked how many of those projects, years later, had turned out to be scams. I chose four articles for this experiment, which bBetween them described 54 different crypto projects. Looking back at these from our position in late 2022, as best I can tell zero of them have been revealed to be outright rug-pull-style scams.

A few fizzled out for lack of interest, like any business can. Two of the ten stablecoins lost their pegs, going to 70 – 80 cents instead of the expected $1¹. One exchange got in trouble for money laundering, although this didn’t negatively affect users. But overall this doesn’t seem worse than any other industry. If you split $1000 and invested it equally in all the top crypto projects of 2015, you would now have $25,400.”

  • Crypto is valuable insurance against authoritarianism:

“Freedom of speech is hollow if you can’t pay the print costs for your magazine. Freedom of religion is hollow if you can’t pay the rent on your church. The freedom to protest is hollow if you can’t pay bus fare to the protest site. If the government hates Islam, it’s hard from a legal and PR perspective to imprison imams or ban the Koran. But it’s easy to subtly convey to banks that it will regulate them out of existence unless they ban transactions to imams, or to any bookstores that carry Korans. And this has pretty much the same effect. The most obvious example of this is the way Paypal bans sex workers

Lebanon’s dams power a community of crypto miners

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After decades of what the World Bank has called “colossal failures,” and two years of hyperinflation, Lebanon’s state-owned power supplier has collapsed, and little electricity is generated or delivered in most of the country. Except, that is, in the Chouf. Here, as part of a mandate which also includes irrigation, drinking water provision, and local economic development around its namesake river, the local river authority runs three antiquated hydro-power stations. These provide 20 hours of electricity per day to around 200 villages in the vicinity. That has made the Chouf an anomaly in an otherwise electricity-starved Lebanon — and a veritable magnet for crypto miners.

Behind the scenes at a used bookstore

Shaun Bythell writes about his experiences as a used bookseller: “There are, essentially, four or five ways people bring books to the shop. The most common is in cardboard boxes, and generally this means of conveyance will contain the best books, and in the best condition. Then there is the plastic laundry basket, which usually means that the books are the relics of a dead great-aunt’s house, from which the best have been extracted and the laundry basket is the only means of transporting the books. Finally, there’s the bundled and tied with garden string category. That’s the kind of thing you never want to see as a bookseller, particularly after the tightly pulled string has damaged the covers.

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The woman who helped run a global art smuggling operation

Note: This is a version of my personal newsletter, which I send out via Ghost, the open-source publishing platform. You can see other issues and sign up here.

On the side of Kulen Mountain, where looters stole a sandstone sculpture depicting Prajnaparamita, the goddess of transcendent wisdom. The statue — 59 inches high, 15 inches wide — is missing one arm, the other chopped off at the elbow. For more than two decades, this stolen relic sat more than 8,000 miles away in the Denver Art Museum’s collection, its journey marked by falsified documents, an elaborate laundering scheme and the assistance of a Colorado woman referred to in court records only as “The Scholar.” An investigation showed that a respected Denver Art Museum consultant named Emma Bunker helped a man accused of being one of the world’s most prolific art smugglers flourish for decades, legitimizing his looted collection through her work.

The obscure German nobleman behind the attempt to overthrow the government

The Waidmannsheil hunting lodge sits on a hill on a bend of the Saale River in the eastern German state of Thuringia. It belongs to the Reussens, a former noble family who ruled the area for 800 years. The present lord of the manor is Henry XIII. Prince Reuss, an entrepreneur who established himself in Frankfurt as a real estate mogul. Some residents of the small town had been wondering for some time what the 71-year-old was up to. Since Wednesday, it seems clear what was going on behind the massive walls. Early that morning, the GSG9, a special German police force, moved in to root out a suspected right-wing extremist terror cell. It is believed to include at least 25 members and helpers, and 29 other men and women are also under investigation.

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Who knew that the numbering of popes named John could be so complicated

There’s a whole Wikipedia page devoted to the topic of the numbering of the 21 or so different popes who have been named John something, with the last one being John XXIII, who reigned (or whatever they call it) from 1958 to 1963. As the article explains: “Although there have been twenty-one legitimate popes named John, the numbering has reached John XXIII because of two clerical errors that were introduced in the Middle Ages: first, antipope John XVI was kept in the numbering sequence instead of being removed; then, the number XX was skipped because pope John XXI counted John XIV twice.”

European cities at the same latitude as North American ones

Someone created a map that positions major European cities at the same latitude as they would be if they were in North America, and it’s kind of fascinating. I’m probably not the best person to assess this kind of thing, because I am terrible at geography, but I had no idea that Paris is actually quite a significant distance north of Toronto latitude-wise, or that Toronto and Florence are about the same latitude. Lisbon and Athens are at about the same latitude as northern California and Tripoli is around San Francisco.