Wednesday, 1 April 2020

Marine species ‘fleeing towards earth’s poles to escape rising ocean temperatures’

‘Some marine species appear to benefit from climate change, meanwhile some marine life is not able to adapt fast enough to survive’

Marine species are fleeing towards the earth’s poles to escape rising ocean temperatures near the equator, scientists have found. 

Researchers made the discovery after looking at data spanning more than a century on more than 300 animals, birds and plants living in the world’s oceans. 

The team, which included scientists from the universities of Bristol and Exeter, found a “general pattern” where species showed growing population densities towards the poles but declines in numbers near the equator. 

They believe their findings, published in the journal Current Biology, indicate rising temperatures have led to widespread changes in the population size and distribution of marine species. 
Stock image ( iStock/Getty )

Researchers gave examples of Atlantic herring and Adelie penguins, whose populations they said were both declining in abundance near the equator but increasing in abundance towards the polar regions. 

Martin Genner, an evolutionary ecologist at the University of Bristol and senior study author, said: "The main surprise is how pervasive the effects were. 

"We found the same trend across all groups of marine life we looked at, from plankton to marine invertebrates, and from fish to seabirds." 

The research suggests certain species are thriving well in cooler regions where rising temperatures have opened up previously inaccessible habitats. 

However, others are not able to keep up with the rising temperatures. 

Louise Rutterford, a study author based at both Exeter and Bristol universities, said: "Some marine species appear to benefit from climate change, particularly some populations at the poleward limits that are now able to thrive. 

"Meanwhile, some marine life suffers as it is not able to adapt fast enough to survive warming, and this is most noticeable in populations nearer the equator. 

"This is concerning as both increasing and decreasing abundances may have harmful knock-on effects for the wider ecosystem." 

The world's oceans have warmed by an average of 1C since pre-industrial times, according to the researchers. 

To find out how this temperature change has affected marine life, the team reviewed 540 published records of species abundance changes - their occupancy trend over time. 

With warming predicted to increase up to 1.5C over pre-industrial levels by 2050, the researchers said species are likely to undergo further shifts in population distribution in coming decades. 

Martin Genner, an evolutionary ecologist at the University of Bristol and senior study author, said: "This matters because it means that climate change is not only leading to abundance changes, but intrinsically affecting the performance of species locally. 

"We see species such as Emperor penguin becoming less abundant as water becomes too warm at their equatorward edge, and we see some fish such as European seabass thriving at their poleward edge where historically they were uncommon." 

(Source: Independent)

If you have to self-isolate… then why not self-propagate, too

Three easy ways to clone your houseplants

For those of us who have to self-isolate in the coming months, gardening can be a great escape. A growing body of research suggests that being around plants can reduce stress and anxiety, thus gardening can provide not only a welcome distraction from the headlines, but much-needed signs of growth, new life and positivity.

The best news is, you don’t even need a garden to get these benefits. The beauty of houseplants is that even people like me, who might otherwise be looking at four walls and Netflix for weeks on end, can benefit from horticultural therapy. So, in that spirit, here are a range of houseplants you can propagate at home right now to lift your spirits. Home propagation is also an excellent way to get new plants for free.
Cloning around: Zantedeschia grows easily from cuttings. Photograph: Manfred Ruckszio/Alamy

The three easy ways to clone your existing houseplants with little more than some compost and a few pots are cuttings, runners and division. The particular method you choose depends mainly on the species you are dealing with.

For most trailing plants, from aroids to ivy, cuttings are by far the easiest way forward. Cuttings can be made by simply snipping off 20cm sections of the plants’ growing tips and placing them in a glass of water in a bright spot away from direct sunlight. Other examples of easy-rooters include African violets and begonias, which can be started off from single leaf cuttings in either pots of gritty compost or (perhaps counterintuitively for plants prone to waterlogging when mature) you can also put the leaf cuttings in a jar of water.

Some plants naturally produce “babies” on the ends of runners in an effort to clone themselves. This includes a broad range of species from the spider plant Chlorophytum, to strawberry saxifrage Saxifraga stolonifera and Episcia, whose cascading runners, each with a small plant at the tip, are highlighted by growers selling them in hanging pots.
Easy rooters: African violets. Photograph: lcrms/Alamy Stock Photo

To get propagating, just wait for the plants to produce five or more leaves on mini plants, the size of a 50p coin, and they can then be planted up in their own pots of gritty compost. Not enough pots at home? No need to go to the garden centre, any old yogurt pot or other plastic food container will work perfectly. Just poke a few holes in the base.

Finally, the easiest and most instant technique of all – division. Most growers will sell multiple small plants crammed into the same pot to give the illusion of one lush, stocky, medium-sized specimen in far less time. This means that for all sorts of species, from ferns and begonias to fittonias and ficus, you already have many more plants than you realise.

Knocking the plant out of its pot and gently teasing the individual specimens apart at their base, before potting them up separately, will give each of them far more space to breath, resulting in healthier plants and loads more of them.


(Source: The Guardian)

UK scientists enrol volunteers for coronavirus vaccine trial

Oxford team to recruit up to 510 healthy adults without Covid-19 in race to stop further spread

Oxford scientists are enrolling the first volunteers to test a UK coronavirus vaccine, in a dramatic acceleration of the typical pace of drug development.

The trial will recruit up to 510 healthy adults, aged 18 to 55, to test the vaccine called ChAdOx1 nCoV-19. The participants will not receive the vaccine for some weeks.

While screening of participants takes place, the vaccine will continue to be assessed in animal trials at the Public Health England (PHE) laboratory at Porton Down, near Salisbury and, simultaneously, be manufactured to clinical grade standard at a University of Oxford facility.

Prof Adrian Hill, the director of the Jenner Institute at the University of Oxford, said: “Vaccines are being designed from scratch and progressed at an unprecedented rate. The upcoming trial will be critical for assessing the feasibility of vaccination against Covid-19 and could lead to early deployment.”
The UK effort to produce a vaccine quickly is one of many happening around the world. Photograph: Pedro Vilela/Getty Images

The Oxford team previously worked on a rapid vaccine response during the Ebola outbreak in west Africa in 2014. Hill said coronavirus had posed an “even greater challenge”.

The team needs people without Covid-19 and is likely to exclude anyone on medication and women who are pregnant, breastfeeding or intending to become pregnant during the study. Some will be injected with the vaccine and others with a control injection for comparison. It is expected to be months before scientists know whether the vaccine is effective, as larger trials will be needed and participants’ immune response will need to be monitored.

The team started work on 10 January, the same day China reported details of the novel coronavirus to the World Health Organization. Since then, it has progressed rapidly from candidate vaccine to animal testing to human trials.

Under normal circumstances, trials in humans would not begin until animal experiments had been completed. But because similar vaccines have worked safely in trials for other diseases, and due to the overwhelming challenges posed by the pandemic, the work has been accelerated. The trial has been approved by UK regulators and ethical reviewers.

Prof Stephen Evans, of the London School of Hygiene and Tropical Medicine, said: “There are risks that some aspects of pre-human testing have been reduced or omitted, but the benefits of getting the vaccine as quickly as possible could outweigh such potential theoretical risks.”

The UK’s chief scientific adviser, Sir Patrick Vallance, suggested this month that 12-18 months was a realistic timeframe for a vaccine to be available, but the Oxford team is aiming for earlier than this.
The vaccine is an intramuscular injection that uses a harmless, non-replicating virus to carry RNA (genetic instructions) from the coronavirus into the body’s cells.

Once inside, the body’s cells absorb the instructions and start churning out copies of the “spike protein” on the surface of the virus. In theory, these proteins are released into the body and should trigger the immune system without causing any illness.

Previous studies suggest the vaccine should work with only a single dose. Vaccines that operate the same way have been used safely in thousands of people, aged from one week to 90 years, for diseases ranging from malaria and TB to Mers, another coronavirus, and Ebola. None is in any routine immunisation programme, but they have been used previously in the UK.

In parallel with the trial, production of the vaccine is being increased ready for larger trials, and, if these are successful, rapid deployment, especially for NHS workers, elderly people, and those with underlying health conditions.

The UK effort is one of several around the world, including a trial by the US company Moderna, which gave the first dose to a participant last week.


(Source: The Guardian)

Oil prices crash, virus hits, commerce stops: Iraq is in trouble

Iraq depends on oil revenues, which have plummeted. The country is so desperate it is asking for donations to help it weather the pandemic.

When Iraq recorded its first cases of coronavirus, its health minister asked the government for $5 million in emergency funds. But there were no funds to be had.

“There is no money and we are in a difficult situation,” said the minister, Jaafer Sadiq Allawi, as he appealed for help from a cleric at a wealthy Shiite shrine.
An oil well near Mosul. The plummeting price of oil has slammed Iraq, which depends on oil for 90 percent of its revenues. Credit... Sergey Ponomarev for The New York Times

Iraq is cratering on almost every front. Oil revenues, the government’s main source of income, have plummeted as the world price of oil has crashed and the government has resorted to asking for donations to help it weather the pandemic.

A nationwide curfew, imposed to slow the spread of the virus, has shut down commerce and thrown the vast majority of nongovernment workers out of jobs.

The government itself is foundering after antigovernment protests ousted the prime minister in November and Parliament has been unable to agree on new leadership.

On top of that, Iranian backed militias still launch regular attacks on American troops — the latest on Thursday when two rockets landed near the American Embassy in the Green Zone — threatening to drag Iraq deeper into the cross-hairs of Iranian-American hostilities.

“These are the worst days we have lived through in Iraq,” said Riyadh al-Shihan, 56, a military veteran. “I lived through the Iraq-Iran war, the uprising, Saddam Hussein, but these days are worse.”

A strange silence has descended over much of Baghdad, a capital of eight million people. The highways out of the city are mostly free of cars because of travel restrictions and on Friday, when most people are off work, the usually crowded parks were empty thanks to the curfew.
Antigovernment protests that began in October, above, have continued, despite a curfew. Credit... Ivor Prickett for The New York Times

Iraq had 547 confirmed cases of the coronavirus by Sunday, but has been doing extremely limited testing. The true number is thought to be many times greater.

What makes the situation especially bleak is that the combination of crises has effectively wiped out almost the entire economy, said Basim Entiwan, an economist in Baghdad.

“The current economic situation is worse than what we have seen before because all productive sectors have been suspended,” he said. “There is no industry, no tourism, no transportation, and to some extent agriculture is affected as well.

“We are seeing a nearly complete paralysis of economic life and that comes on top of the ongoing protests. And also borders are blocked both within the country between provinces and on Iraq’s frontier with other countries.”
A pilgrim in the courtyard of the Shrine of Imam Ali this month in Najaf. Credit... Ivor Prickett for The New York Times

Oil is now selling for half the price, or less, than it did three months ago because of a price war between Saudi Arabia and Russia. It has dropped from about $60 a barrel at the end of December to less than $30.

The price plunge has dealt a severe blow to oil-dependent economies, said Fatih Birol, the executive director of the International Energy Agency, based in Paris. But Iraq, he said, stands to take the hardest hit.

“Iraq is the number one country in terms of impact because it does not have financial reserves and because 90 percent of its revenues come from oil,” he said. “And all these economic pressures are coming in an already very tense political environment.”

Iraq’s reserves are on the order of $62 billion, Mr. Entiwan said, which the International Monetary Fund considers inadequate.

The government has created a fund for donations to help it through this period, which has collected less than $50 million in pledges, said Sayid Jaiyashi, a member of the National Security Council who is also on the prime minister’s coronavirus crisis committee.
A bank in Baghdad is sanitized a bank after a customer was suspected of having the coronavirus. Credit... Ivor Prickett for The New York Times

Even if the pledges come through, they will hardly make a dent. The government is currently running a monthly deficit of more than $2 billion just for current expenditures.

Iraq has a limited private sector, some of it supported by government contracts, as well as a thriving informal economy. But both have been dealt a body blow by the coronavirus because of the nationwide 24-hour curfew, which has been extended until April 11.

Construction workers, street vendors, domestic workers and taxi drivers have been forced to stay at home. Because most of them live day to day on what they earn and have little or no savings, they could soon be on the edge of hunger.

In some neighborhoods, the police are enforcing $80 fines for anyone who tries to sell goods on the sidewalk — far more than most of them could make in a day.

How long such tremendous economic pain can be borne is hard to say, but it is especially difficult in the absence of political leadership, Iraqis said.

Iraq was already facing its worst political crisis in years before the virus hit and oil prices dropped. Hundreds of thousands of protesters have taken to the streets since October, demanding a new government, an end to corruption and a curb on Iranian influence.

While the numbers had dwindled with the colder and wetter winter weather, curfew has not been rigorously enforced at the protest sites and a few hundred protesters remain in the major squares in Baghdad and other cities. As they continue to keep pressure on the government, they also now pose a potential health risk for spreading the virus.
Iraqi citizens crossing the border from Iran. Iraq has closed its borders since the coronavirus outbreak.
Credit... Ivor Prickett for The New York Times

“This crisis is more difficult because, to be honest, we do not have a government,” said Hassan Ali, 20, who was making a pilgrimage to a Shiite shrine in Baghdad despite being urged to stay home, a warning he discounted because he has no faith in the government’s advice.

“The government is very weak, it’s very tired, they have no solution for the crises, no solution for the youth who have no jobs. With corona it is very difficult because no one can rely on the government.”
In many ways he is right. In mid-March, the health minister, Mr. Allawi, said he would need $150 million a month to purchase the equipment he needs to fight the virus. The donor fund has only collected a fraction of what the ministry believes will be required to protect health care workers, house and treat patients.

So far not a single politician has spoken directly to the country about the financial obstacles ahead. In recent addresses encouraging citizens to follow the instructions of the Health Ministry both the caretaker prime minister, Adel Abdul Mahdi, and the president, Barham Salih, mentioned the economy in passing but did not explain the situation.

One reason, said economists, is that they have little comfort to offer. Iraq has no control over worldwide oil prices and while consultants, foreign governments and economists have all pushed Iraqi leaders to diversify the country’s economy, it has not happened. Some of the reasons are practical, including the country’s armed conflicts, but some are cultural.

For more than 60 years, Iraq’s economy has been dominated by the government: Its oil companies are majority government owned and so are its factories and many of its companies. Even some of the private ones count on government contracts, making them often disproportionately dependent on the public sector.

For many people, the only worthwhile job is one with a government paycheck. So some 4.5 million Iraqis, about 30 percent of the work force, are either salaried government employees or have government contracts, said Mr. Entiwan, who was an economic adviser to former Prime Minister Haider Abadi.

So far the government has not cut salaries, which account for more than 40 percent of the government budget, but it has been forced to consider pay cuts for mid- and high-level employees, said Mudher Muhammed Saleh, an adviser to Mr. Abdul Mahdi. Another possibility under consideration was to require Iraqis to pay for their electricity, which few now do, he said.

When the price of oil crashed in 2014, Iraq was aided by access to $4.5 billion in financing from the International Monetary Fund. However, in the midst of the coronavirus many countries are hoping for largess from the IMF.

“In 2014, Iraq was fighting against ISIS and could bank on the support of its partners, on other countries, but now the whole world is occupied with the coronavirus and it may be more difficult to raise the money,” said Mr. Birol, of the International Energy Agency.

“The most important issue right now is the health system,” he said. “If the health system cannot get finances from the central government, it will have serious implications for coronavirus and for social stability.”


(Source: NYT)

And Alexander wept

All right, this particular canard has had all its feathers pulled off many times. I claim no originality. People explain it over and over on blogs. Every twenty seconds, somebody asks about it, and the explainers go to work.

The “quote” goes like this:
And Alexander wept, seeing as he had no more worlds to conquer.

“Alexander” is, of course, Alexander the Great, king of Macedon in the fourth century BC. A legend in his own time, et cetera, he died in his early thirties, et cetera, having won many battles. The quote is poetic. It touches a theme dear to everyone’s heart: the Tears of the Monster. However! From time to time, some bright person is forced by the laws of physics to ask: “In what ancient text does that passage appear?” Answer: it appears nowhere.
ALEXANDER THE GREAT, DETAIL OF AN ANCIENT ROMAN FLOOR MOSAIC FROM THE HOUSE OF THE FAUN IN POMPEII

Remember Die Hard? I don’t. I saw it right around the time it came out, and all I remember is Bruce Willis, barefoot, running through broken glass. That, for me, was a metaphor for watching the movie. 

Fans of the film, however, will recall its dapper German villain, Hans Gruber, smacking his silly lips and gloating at some private victory. He puts his fingertips together and says in facetiously tragic tones (clearly quoting something from High Culture and referring with cozy irony to himself): “And Alexander wept, seeing as he had no more worlds to conquer.” Then he smiles with evil-genius self-satisfaction and says: “Benefits of a classical education.”

Yeah. Except that quote would never come up in the context of a classical education, unless the instructor happened to be taking a jolly detour, nose in the air, to attack a piece of legendary crap that no student of his must ever traffic in. And even I, right now, have been forced to attach weights to my own nose to prevent its springing upward. (I can’t stop its sniffing though. There it goes again: sniff.)
A few facts. The monkeys who wrote Die Hard did not invent that quote. (And let me tell ya something: the people who write the scripts for action movies are literally forbidden to invent anything. Their mandate is to regift whatever is known to have worked in the past. More on this another day.) The quote, I was saying, is very old. It comes up in certain classic English poems from the seventeenth century. For example, here’s Edmund Waller addressing Oliver Cromwell in 1655:

When for more worlds the Macedonian cried,
He wist not Thetis in her lap did hide
Another yet, a world reserved for you
To make more great than that he did subdue …
—“A Panegyric to My Lord Protector,” lines 73–6

There it is. And a quick Google search turned up an even earlier item, printed in medieval Canada (1628, I mean).

But—and here’s where it gets good—but, nobody seems to have located any citation of the quote earlier than 1628. My homely contribution to this fuss is my hypothesis as to why instances of the quote are unlikely to turn up before 1579.

•

The quote is a hash of three passages in Plutarch, first century CE. Two of the passages were made available to English speakers (most notably Shakespeare) in 1579, in the translation by Thomas North. The other passage has a more complicated history. Let’s actually start with the tricky one.

Exhibit 1. [Orthography in all these quotations sic]
It is reported that King Alexander the Great, hearing Anaxarchus the philosopher discoursing and maintaining this position: That there were worlds innumerable: fell a-weeping: and when his friends and familiars about him asked what he ailed. Have I not (quoth he) good cause to weep, that being as there are an infinite number of worlds, I am not yet the lord of one?

That’s not from Plutarch’s Life of Alexander. It’s from Plutarch’s essays, usually called the Moralia. The essay in particular is called “On Tranquillity of Mind.” The translation above is that of Philemon Holland, 1603. This was not the first translation of that essay into English, but it might as well have been. The others all sank like stones; nobody ever heard of ’em. Look at this rather nicer version by everybody’s favorite courtier, Sir Thomas Wyatt:
Alexander, whan he herde Anaxarchus argue that there were infynite worldes, it is said that he wept. And whan his frendes asked hym what thing had happened him to be wept for: “Is it nat to be wept for,” quod he, “syns they say there be infynite worldes, and we are nat yet lorde of one?”

The above was done in 1527 at the request (sort of; she actually asked for a different book) of Catherine of Aragon. If you know who that is.

At any rate, the passage is crystal clear in both cases: Alexander is not weeping in sorrow that there are no more throats to cut. This is not a picture of a man at the end of a career of world conquest; he’s at the beginning. “Look at all these throats—and I haven’t even cut one!”

Exhibit 2.
For when they brought him [= Alexander, still a boy] newes that his father had taken some famous city, or had won some great battell, he was nothing glad to hear it, but would say to his playfellowes: Sirs, my father will have all, I shall have nothing left me to conquer with you, that shall be ought worth. For he delighting neither in pleasure nor riches, but only in valliantnes and honor, thought, that the greater conquests and realmes his father should leave him, the lesse he should have to do for himselfe. And therfore, seing that his fathers dominions and Empire increased dayly more and more, perceiving all occasion taken from him to do any great attempt: he desired no riches nor pleasure but warres and battells, and aspired to a signory, where he might win honor.

Now that’s from Plutarch’s Life of Alexander. No tears, but definitely the guy Gruber had in mind, the Godzilla he’d heard about in German day camp. Here’s a prince who wants to conquer for the sake of conquering; he doesn’t care whether Macedon comes out on top or not, except insofar as it’s compatible with his personal glory. (You could at least imagine this guy crying, if there were no more worlds to conquer.)

Our final passage is from Plutarch’s Life of Julius Cæsar.

Exhibit 3.
An other time also when he was in Spayne, reading the history of Alexanders actes, when he had red it, he was sorrowfull a good while after, and then burst out in weeping. His frends seeing that, marveled what should be the cause of his sorow. He aunswered them, Doe ye not thinke sayd he, that I have good cause to be heavie, when king Alexander being no older than my selfe is now, had in old time wonne so many nations and contries: and that I hitherunto have done nothing worthy of my selfe?

Tears! Indeed, it’s pretty much the same thing as Exhibit 1.

Exhibits 2 and 3 are translations by Thomas North, 1579. Here’s my copy of the 1895 reprint:

Like all Elizabethan translations, it seems pretty clotted and inelegant to me, but y’know, Shakespeare is Shakespeare, and what was good enough for him, et cetera. Indeed, he does quote North verbatim in places, just like he did with Florio’s Montaigne.

But you see what’s happening here. I’m setting out on the table all the ingredients for Gruber’s quote. In no case does Alexander weep because he’s accidentally put himself out of business by making himself king of the world. And it makes sense that he would not weep about such, because in point of fact he did not take over the world. He hits a wall in India, see. His men are tired, the river is deep, he can’t swim. Across the river: some vast Indian army, refreshed and ready. Alexander’s guys beg him to call it a day. “Call it a day, call it a campaign, call it an empire. Anyhow let’s go home.” And for once, Mr. Won’t-Listen-to-Anybody says okay. It’s all in the Life of Alexander. Read it sometime. Seventy pages of modern English, it’s not gonna kill ya.

But back to Gruber. What’s surely happened is some specially eloquent seventeenth-century British smarty-pants read the North and Holland translations, misremembered ’em, and created the mot that’s been repeated ever since.

How do I know the person didn’t misremember the original Greek? I don’t. But think about it. No one could read Greek, not even North (he was translating from Amyot’s French). Besides! is it not remarkable that the earliest instances of the Gruber version happen to crop up a few years after those important translations into English?

Here’s what would settle the matter against me: cases of the Gruber version from languages other than English, occurring before 1579. If anyone reading this can show me such, I promise to write another piece on this same topic, giving you full credit.

*

Uh-oh. This just in. There is another possibility altogether, a kind of Exhibit 4:
Nam Alexandri pectus insatiabile laudis, qui Anaxarcho comiti suo ex auctoritate Democriti praeceptoris innumerabiles mundos esse referenti “heu me” inquit “miserum, quod ne uno quidem adhuc sum potitus!” angusta homini possessio [gloriae] fuit, quae deorum omnium domicilio sufficit.
—Valerius Maximus, LIB. VIII, Cap. xiiii, Ext. §2

Alexander’s heart had an insatiable longing for glory. When his friend Anaxarchus told him, following the authority of his teacher Democritus, that there were innumerable worlds, Alexander said, “Alas, poor me, because so far I have not even gained possession of one!” To possess the world was too inglorious for this man, though the world is great enough to serve as the home of all the gods.
—from Book 8, Chapter 14 “The Desire for Glory,” Foreign Stories: section 2. [Translation Henry John Walker, 2004.]

That passage was written fifteen years before Plutarch was born; indeed, it might have been where he got it (?). And since it’s in Latin—and worse, in a frickin’ handbook of memorable sayings—anybody could have read it and misremembered it at any point in European history.

Okay, but then why do all these Gruber versions suddenly pop up in early seventeenth-century English, hmmm? I’m tellin’ ya: some Englishman started this. Some English Gruber. We’ll call him “John Miner.” 

Like Gruber, our Miner was pretending to have a classical education. Like Gruber, Miner had eloquence. But unlike Gruber, Miner actually created something worthy of a book of memorable sayings. He coined one of the very few classical tags that people still recognize on sight.

Unless even Miner didn’t invent it, but some Frenchman. Anyhow, I give up. My men are done. The river is deep. Call it an empire. Let’s go home.


(Source: The Paris Review)