Quotulatiousness

October 28, 2012

Got Milk (mutation)?

Filed under: Environment, Food, Health, History, Science — Tags: , — Nicholas @ 12:33

Lactose intolerance is part of humankind’s genetic inheritance, which is why the mutation that allowed (some) adult humans to digest milk is of great interest to geneticists:

A genetic mutation appeared, somewhere near modern-day Turkey, that jammed the lactase-production gene permanently in the “on” position. The original mutant was probably a male who passed the gene on to his children. People carrying the mutation could drink milk their entire lives. Genomic analyses have shown that within a few thousand years, at a rate that evolutionary biologists had thought impossibly rapid, this mutation spread throughout Eurasia, to Great Britain, Scandinavia, the Mediterranean, India and all points in between, stopping only at the Himalayas. Independently, other mutations for lactose tolerance arose in Africa and the Middle East, though not in the Americas, Australia, or the Far East.

In an evolutionary eye-blink, 80 percent of Europeans became milk-drinkers; in some populations, the proportion is close to 100 percent. (Though globally, lactose intolerance is the norm; around two-thirds of humans cannot drink milk in adulthood.) The speed of this transformation is one of the weirder mysteries in the story of human evolution, more so because it’s not clear why anybody needed the mutation to begin with. Through their cleverness, our lactose-intolerant forebears had already found a way to consume dairy without getting sick, irrespective of genetics.

[. . .]

A “high selection differential” is something of a Darwinian euphemism. It means that those who couldn’t drink milk were apt to die before they could reproduce. At best they were having fewer, sicklier children. That kind of life-or-death selection differential seems necessary to explain the speed with which the mutation swept across Eurasia and spread even faster in Africa. The unfit must have been taking their lactose-intolerant genomes to the grave.

Milk, by itself, somehow saved lives. This is odd, because milk is just food, just one source of nutrients and calories among many others. It’s not medicine. But there was a time in human history when our diet and environment conspired to create conditions that mimicked those of a disease epidemic. Milk, in such circumstances, may well have performed the function of a life-saving drug.

H/T to Marginal Revolution for the link.

Toronto accused of being deadly waypoint for migratory birds

Filed under: Cancon, Environment — Tags: , , — Nicholas @ 12:11

In the New York Times, Ian Austen examines claims that Toronto’s downtown core is taking a huge toll of migratory birds every year:

There is no precise ranking of the world’s most deadly cities for migratory birds, but Toronto is considered a top contender for the title. When a British nature documentary crew wanted to film birds killed by crashes into glass, Daniel Klem Jr., an ornithologist at Muhlenberg College in Allentown, Pa., who has been studying the issue for about 40 years, directed them here, where huge numbers of birds streaking through the skies one moment can be plummeting toward the concrete the next.

“They’re getting killed everywhere and anywhere where there’s even the smallest garage window,” Professor Klem said. “In the case of Toronto, perhaps because of the number of buildings and the number of birds, it’s more dramatic.”

So many birds hit the glass towers of Canada’s most populous city that volunteers scour the ground of the financial district for them in the predawn darkness each morning. They carry paper bags and butterfly nets to rescue injured birds from the impending stampede of pedestrian feet or, all too often, to pick up the bodies of dead ones.

The group behind the bird patrol, the Fatal Light Awareness Program, known as FLAP, estimates that one million to nine million birds die every year from impact with buildings in the Toronto area. The group’s founder once single-handedly recovered about 500 dead birds in one morning.

Rob Silver finds the claim to be a bit unlikely:

October 27, 2012

Chemophobia, “a fear so rampant that it has infected an entire generation of women”

Filed under: Environment, Health, Media — Tags: , , , — Nicholas @ 12:13

Margaret Wente in the Globe and Mail:

Ms. Williams is right that our bodies contain trace amounts of pretty much everything that’s in our environment. But toxicity is a matter of degree. And technology is so advanced that we can measure trace amounts in parts per trillion. As yet, research has found no trace of harm. For example, after a comprehensive review of environmental causes and risk factors for breast cancer, the U.S. Institute of Medicine found no conclusive link between any of these chemicals and an increased risk of breast cancer. According to Scientific American, “some research shows the toxic load in breast milk to be smaller than that in the air most city dwellers breathe inside their homes.”

[. . .]

This is not to say there’s no impact from environmental factors. But these effects are small and uncertain. To eliminate them all, we’d have to eliminate modernity and return to being hunter-gatherers again.

But I’m afraid chemophobia is here to stay. Fear sells. Fear of chemicals manufactured by rapacious, greedy, money-sucking capitalist enterprises sells even better. Fear is is the main product peddled by interest groups such as the Environmental Defence Fund, which has been quite successful at marketing the notion that invisible dangers lurk all around us. The media love this stuff because it makes for easy headlines: If your shampoo doesn’t kill you, your lipstick will! Fear is a staple of celebrity experts like Dr. Oz, who has advised readers to avoid toxic sales receipts from fast-food restaurants and gas stations.

October 22, 2012

Want to learn a new language? How about proto-Elamite?

Filed under: History, Middle East, Science — Tags: , , , — Nicholas @ 09:10

If you have the ability to decode the world’s oldest undeciphered texts, you can be our first proto-Elamite scholar:

“I think we are finally on the point of making a breakthrough,” says Jacob Dahl, fellow of Wolfson College, Oxford and director of the Ancient World Research Cluster.

Dr Dahl’s secret weapon is being able to see this writing more clearly than ever before.

In a room high up in the Ashmolean Museum in Oxford, above the Egyptian mummies and fragments of early civilisations, a big black dome is clicking away and flashing out light.

This device, part sci-fi, part-DIY, is providing the most detailed and high quality images ever taken of these elusive symbols cut into clay tablets. This is Indiana Jones with software.

It’s being used to help decode a writing system called proto-Elamite, used between around 3200BC and 2900BC in a region now in the south west of modern Iran.

And the Oxford team think that they could be on the brink of understanding this last great remaining cache of undeciphered texts from the ancient world.

October 21, 2012

QotD: Environmental externalities

Filed under: Economics, Environment, Quotations — Tags: , , , , — Nicholas @ 11:12

That other people place different values upon the environment than I do worries me not in the slightest. It is precisely such differences of opinions about value that make a market. What does annoy me intensely is that almost all of the environmental problems that are currently being complained about have indeed been studied by economists. And they’ve found solutions to them as well. Just about any and every environmental problem is either about externalities or common access to a resource. In many ways these are just the flip side of exactly the same problem. But we do indeed know how to solve each of them and both of them. Hardin on ownership or regulation, Pigou on tax or regulation, both mediated through Coase on transactions costs (with a decent assit from Ostrom on communal ownership). There, that’s it: far from economics ignoring matters environmental economics has solved the damn problems.

So why won’t the environmentalists listen?

Tim Worstall, “Why won’t the environmentalists learn any economics?”, Adam Smith Institute blog, 2012-10-21.

October 17, 2012

Elon Musk drops hints about next SpaceX development direction

Filed under: Space — Tags: , , , , , — Nicholas @ 00:03

Zach Rosenberg reports on the next big thing we can expect from SpaceX:

Launcher developer SpaceX has promised a new engine for a new rocket, larger than the Falcon 9 that NASA expects to become a mainstay of its Earth orbit operations.

Elon Musk, the Silicon Valley entrepreneur who successfully parlayed the fortune he earned founding PayPal into launch systems developer SpaceX, said the new engine would not be based on the 160,000lb-thrust (712kN) Merlin 1 series that powers Falcon 9.

Musk said the new rocket, which he calls MCT, will be “several times” as powerful as the 1 Merlin series, and won’t use Merlin’s RP-1 fuel. Beyond adding that it will have “a very big core size”, he declined to elaborate, promising more details in “between one and three years”.

Musk declined to say what ‘MCT’ stands for, and declined to answer further questions on the project.

October 16, 2012

Asking for help against bullying may be impossible

Filed under: Health, Media — Tags: , , , — Nicholas @ 10:57

Matt Gurney in the National Post pointing out that the instinctive response of many to bullying just isn’t a viable alternative for many or even most victims of bullying:

The federal NDP has reverted to type, calling for a national strategy to combat bullying. School boards and educators will no doubt develop strategies and zero-tolerance procedures. Counsellors will want to chat about mediating the disputes. Well-intended suggestions, all. But they all suffer from the same fundamental weakness — they can only spring into action once the victim further victimizes themselves. For many, the solution is as bad as the problem.

I’m referring, of course, to the mere act of asking for help. Bullying is an intensely degrading assault. It strips power and dignity away from the victim. Sometimes it’s crushing and sudden, other times it’s gradual, with the victim’s mental defences whittled away piece by piece. The end result, as we all know, can be a victim utterly convinced that everyone is staring at them, laughing at them, enjoying the defenceless, pathetic state they’ve been reduced to. The bullies themselves feed off the crushing of their victims, but the keen attention of the mob is what makes it so humiliating for those targeted. It’s not just a humiliation. It’s a very, very public one.

And it is in that moment of maximum vulnerability and humiliation that the students are supposed to further compound their embarrassment and signal their total defeat by appealing for help from a teacher or counsellor? Or even a parent?

[. . .]

If there is a way forward on bullying — I’m not sure there is, as much as we’d all like one — it will have to recognize the inherent advantage bullies possess. Their victims don’t want help. They might desperately need it, but asking for it is, for most, a step too far, an added injury they simply cannot contemplate. The only effective means of deterring a bully may lie with the observing mob becoming enforcers of an anti-bullying code. And as that seems unlikely, outrage notwithstanding, this is probably a problem we’re stuck with.

Sorting out the real Ada Lovelace from the legend

Filed under: Britain, History, Science, Technology — Tags: , , — Nicholas @ 08:18

At The Register, Dave Wilby tries to get to the real contributions of Ada Lovelace:

Ada Lovelace is a compellingly romantic figure, irresistible in today’s age of equal geeky opportunities.

The daughter of “mad, bad and dangerous to know” Lord Byron, her mathematics-loving mother Annabella Milibanke purportedly beat the poet out of her with relentless studies in science, maths and logic.

A beauty enthralled by scientific progress, cut down in her prime after the publication of her most notable work, Lovelace is often easily romanticised and reimagined as a steam punk heroine spearheading female invention and scientific emancipation.

Such claims are sure to be made again with Ada Lovelace Day today.

This image is fanciful, though, and to the unfortunate detriment of her genuine contribution to British technology.

So what are the facts? What did Ada Lovelace really achieve? Did she outshine her female contemporaries in the scientific field? And what debt do today’s female scientists really owe her?

Warren Ellis on the Space Shuttle, aka “NASA’s crucifix pendant”

Filed under: Space, Technology, USA — Tags: , — Nicholas @ 00:01

In his weekly column at Vice, Warren Ellis “celebrates” the end of the Space Shuttle era:

…and here, dearly beloved, down here in the deep valley of expectations – over whose sides The Future slides like a slab-avalanche of flaming diarrhoea – is where we sit and look up overhead to see the grand dame of the Promised World Of Tomorrow being toured around like an incontinent dowager getting a last viewing from the relatives before being locked away in the old people’s home to drown in her own piss. And not one of us, dearly beloved, not one of us points up at that thing, that Space Shuttle, and calls it out for what it really is: NASA’s crucifix pendant.

Five cosmonauts died in the Russian space programme. A programme of largely unsteerable launch vehicles made to much the same standard as tractors and fuelled with terrifying muck that you’d think was too good to spray on scorpions. The American Space Shuttle alone killed 14. That’s what everyone’s been applauding, by the way – a flying death box that killed 14 people, seven of whom died for the noble and future-facing cause of a good media window.

This leaking thing, paraded across America to joy and applause from a people who don’t even see the lie to them that it represents, will have no eventual museum information board explaining that the Shuttle was the first and only crewed American space vehicle to have no launch escape system. That a limited bailout system was added only after Challenger exploded. There will be no guides reciting the story of how Shuttle killed human spaceflight in America. Also, of course, there will be no large plaque proclaiming that This Isn’t The Real Story.

The Shuttle was sold on the lie that it was the Future, when it was no such thing and never intended for that purpose. It was a domestic political tool for the most part. But it’s also a great object lesson.

October 15, 2012

Jonathan Kay on bullying

Filed under: Health, Media — Tags: , , , , — Nicholas @ 11:38

In his National Post column, he responds to a fellow journalist’s column on the topic of bullying:

The appetite to bully cannot be treated as a social sickness, or the product of maladaptive psychological development — which is how it is universally depicted in the media, and in government-funded public-service announcements. Bullying is in our genes. And any effort to fight it must reflect that fact.

The reason that bullying has become part of human evolutionary psychology is that it works — for both males and females — as a strategy to increase one’s attractiveness to the opposite sex, one’s perceived social status, and the cohesiveness of one’s social alliances.

In movies, bullies are shown to be wounded individuals whose bullying is a perverse symptom of the pain that’s been inflicted on them by abusive parents inhabiting poor and broken homes, or by more dominant figures in their social pecking order. There is no evidentiary basis for this stereotype. In fact, research cited by Anthony Volk, Joseph Camilleri, Andrew Dane and Zopito Marini in a 2012 Aggressive Behavior journal article indicate that bullying-induced social dominance is correlated with reduced stress and improved physical health. Amazingly, “bullying is also positively linked with other positive mental traits such as … cognitive empathy, leadership, social competence, and self-efficacy.”

[. . .]

The strategy works: Studies show that boys who bully other boys, on average, gain status with girls, who perceive the boys as more dominant. And girls who bully, on average, receive more positive attention from boys.

As the aforementioned authors report, “Dominance has been found to be positively associated with both bullying and peer nominations of dating popularity among adolescents. Bullying is also positively correlated with peer nominations of power, social prominence, student and teacher ratings of perceived popularity and peer leadership” — all of which translate to social capital, which in turn means social or mating opportunities with the opposite sex.

An earlier post on this topic is here.

October 11, 2012

David Suzuki “owes economists an apology”

Filed under: Cancon, Economics, Environment, Media — Tags: , , , — Nicholas @ 09:09

In the Globe and Mail, Mike Moffatt examines Suzuki’s latest attack on the economics profession and finds it extremely unpersuasive:

Popular environmentalist David Suzuki has described conventional economics as a form of brain damage. In a documentary called Surviving Progress, he quotes a fictional economist by saying, “who cares whether you keep the forest — cut it down. Put the money somewhere else. When those forests are gone, put it in fish. When those fish are gone, put it in computers.”

Beyond tarring the economics profession, he displays a perplexing lack of understanding of basic economic concepts. First of all, none of the rules taught in undergraduate economics course advise the owner of a resource to deplete it as quickly as possible. Perhaps he was confused with the Tragedy of the Commons problem, where lack of private ownership causes a resource to be overused.

[. . .]

The idea that economists do not care about externalities is a strange one, given how prominently they are featured in economics textbooks. An externality is, simply put, a spillover effect. It is the unintended costs or benefits from a transaction or decision experienced by third parties (that is, they were external to the decision). It does not mean phenomena that are external to economic modelling or things outside the interest of economists. Since, as Dr. Suzuki points out, the world is full of externalities, the concept is crucial in economic research.

October 9, 2012

The fight to save booze-soaked Britons from themselves

Filed under: Britain, Health, Media — Tags: , , , — Nicholas @ 08:45

At sp!ked, Tim Black points out that the inconvenient truth is that Brits drink less than they used to, despite all the tabloid coverage of boozy downtown outings:

Not that painting a miserable portrait of our drinking habits is particularly hard today. There seems to be a consensus across political parties and the media that alcohol consumption is indeed a big, big problem. The only discussion centres upon the best way to address it. Prime minister David Cameron, for instance, can announce, as he did earlier this year, that the ‘scandal’ of drunkenness and alcohol abuse needs to be tackled, and no one bats an eyelid. Booze Britain, complete with puking teens and pissed parents, is a given, a fact that simply doesn’t need to be challenged.

Yet it really should be challenged. At the same time as 4Children was busy readying its assault on parents who — shock, horror — like to drink, the British Beer and Pub Association (BBPA) released rather sobering figures. Using tax-receipt data from Her Majesty’s Revenue and Customs and survey material from the Office for National Statistics, the BBPA revealed that reality was rather drier than the drink-soaked fantasists would have us believe. In fact, alcohol consumption in Britain has actually fallen to its lowest level for 13 years. Furthermore, according to The Economist, supping rates have veritably plummeted among the young over the past 10 years. That is, the very people deemed to be vomiting and fighting at the coalface of binge-drink Britannia don’t actually seem to be drinking that much. ‘In 2003’, reports The Economist, ‘70 per cent of 16- to 24-year-olds told interviewers they had had a drink in the previous week; by 2010, just 48 per cent had. The proportion of 11- to 15-year-olds who had drunk in the previous week halved over the same period. Heavy drinking sessions are down, too.’

And this is why the existence of 4Children’s scaremongering report is revealing. In its contorted argument, its counterfactual assertion that there is a big, big problem, it shows how the largely state-backed anti-booze industry, a morass of report-churning quangos and ever-so-concerned charities, is dead set on creating a problem where there really isn’t one. Or perhaps more accurately, it wants to problematise an aspect of our everyday behaviour. It wants to wrest an accepted part of social life from its mundane context, and present it back to us as something weird, harmful, perhaps even sinister.

Falcon 9 loses an engine, able to partially complete mission

Filed under: Space, Technology — Tags: , , , , — Nicholas @ 07:40

Lewis Page at The Register, with a well-timed reminder that work in space is still not routine or ordinary:

The Falcon 9 rocket from upstart rocket firm SpaceX, which lifted off yesterday with supplies for the International Space Station, will deliver those supplies successfully following loss of an engine during launch. However a commercial satellite which was also aboard the rocket has been placed into a lower orbit than planned as a result of the mishap.

As we previously reported, the nine-engined Falcon first stage suffered an engine failure as it climbed towards space, with launch video giving the impression that one of the Merlin rockets had lost its nozzle. The Falcon is designed to carry out its mission even having lost an engine, and the flight path was duly adjusted. The Dragon capsule with supplies for the International Space Station was successfully sent on its way and is expected to reach the ISS without trouble.

[. . .]

Orbcomm says it is investigating the possibility of getting its satellite into the right place using its own onboard propulsion. Even if this can be achieved, however, it will be unsatisfactory as a satellite’s own fuel must be sparingly eked out over its operational lifespan to maintain it in orbit. Using up a lot of it before even beginning operations is liable to mean a short working life for the Orbcomm bird.

October 7, 2012

Recycle, re-use, re- … oops.

Filed under: Bureaucracy, Europe, Food, Health — Tags: , , — Nicholas @ 11:48

The EU is being its traditional bureaucratic self again, this time in the home-made jams and jellies department:

It’s a fairly usual part of modern government to try to increase the rate at which people recycle used items. Sometimes it’s a very sensible practice indeed (we’ve been recycling gold for millennia precisely because it is so valuable) and sometimes it’s really rather silly (no trees are saved by paper recycling as we make paper from trees that we grow specifically to make paper). But more recycling is generally seen as a good thing. Which is what makes this latest piece of tomfoolery from the European Union so strange:

    But the thousands who regularly sell their home-made jam, marmalade or chutney in re-used jars may have to abandon their traditions after a warning that they are breaching European health and safety regulations.

    Legal advisers to Britain’s Churches have sent out a circular saying that while people can use jars for jam at home or to give to family and friends, they cannot sell them or even give them away as raffle prizes at a public event.

No, it’s not a spoof. It really is true that those tasked with running an entire continent, the bureaucrats in Brussels, think that putting home made jam (jelly to you perhaps) in used jam jars should be and is a crime. With serious penalties too:

    The agency said it was up to local authority environmental health officers to enforce the regulations, and penalties can reach a maximum of a £5,000 fine, six months’ imprisonment, or both.

Swedish lunch lady ordered to discontinue food that is “too good”

Filed under: Education, Europe, Food, Health — Tags: , , — Nicholas @ 11:37

Everyone wants the best for their kids, but heaven help you if you provide higher quality food than kids at other schools get:

Annika Eriksson, a lunch lady at school in Falun, was told that her cooking is just too good.

Pupils at the school have become accustomed to feasting on newly baked bread and an assortment of 15 vegetables at lunchtime, but now the good times are over.

The municipality has ordered Eriksson to bring it down a notch since other schools do not receive the same calibre of food — and that is “unfair”.

Moreover, the food on offer at the school doesn’t comply with the directives of a local healthy diet scheme which was initiated in 2011, according to the municipality.

“A menu has been developed… It is about making a collective effort on quality, to improve school meals overall and to try and ensure everyone does the same,” Katarina Lindberg, head of the unit responsible for the school diet scheme, told the local Falukuriren newspaper.

However, Lindberg was not aware of Eriksson’s extraordinary culinary efforts and how the decision to force her to cut back had prompted outrage among students and parents.

Of course, Toronto is rapidly catching up to Swedish standards in this regard: we have an active “parents group” that protests against school fundraising efforts because not all schools can raise the same level of donations, so they want equality imposed: either all funds raised should be shared with every school or no fundraising should be allowed at all.

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