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geneticists applying new statistical approaches have taken a first shot at both identifying and dating the major population mixture events of the last 4,000 years, with the goal of providing a new source of information for historians.

Some of the hundred or so major mixing events they describe have plausible historical explanations, while many others remain to be accounted for.

many populations of the southern Mediterranean and Middle East have segments of African origin in their genomes that were inserted at times between A.D. 650 and 1900, according to the geneticists’ calculations. This could reflect the activity of the Arab slave trade,

FOR the past month, Ireland has been outraged by tapes of Anglo Irish Bank officials, back in 2008, discussing lying to the government about how big a loan they needed, and how they knew there was no chance that the loan would ever be repaid. That loan was the first domino in a sequence that ended with the whole Irish economy flat on its face.

It’s not the bankers’ actions that have outraged people — pretty much everyone had a fair idea that this was what had gone down. It’s the overpowering sense of amorality revealed on the recordings, which were released by the Irish Independent newspaper. The bankers have a great laugh about the situation. It genuinely never seems to mean anything to them that the taxpayer is going to be forced to pay their bills, to the tune of tens of billions. More than that: it never seems to occur to them that their actions might harm people.

Woodrow Wilson’s presidential leadership was often egregious. His frequent failure to master or even to employ the most rudimentary forms of power orchestration amounted to strategic incompetence. The unhappy sequence of blunders that fed upon each other can be traced to the early months of 1917

This sort of behavior was increasingly typical for Wilson: inattention to power orchestration, neglect of strategy, obliviousness to opportunities for leverage. Instead, Wilson succumbed increasingly to the illusion that noble ideals expressed in eloquent words would sway the hearts and minds of the people of the world in a manner which — when combined with the providence of God — would force the leaders of other nations to do the right thing.

in April 1917. Wilson’s adviser, Col. House, requested copies of their pre-existing understandings of war aims and territorial settlements. The British foreign minister, Arthur Balfour, provided them. But in the opinion of Wilson scholar Arthur S. Link — editor of the Papers of Woodrow Wilson — Wilson never even bothered to read these treaties

Morris takes on theories which "suggest that there is something unique about western culture". His argument is simple: "from the Mediterranean to the Yellow Sea," there were philosophers wrestling with the same questions "and finding similar answers" as Socrates. "Socrates was part of a huge pattern, not a unique giant who sent the West down a superior path". What can I say? Does Morris, a specialized Professor of Classics, seriously believe that Indian and Chinese thinkers were reasoning in ways similar to Europeans? First of all, one of the exceptional qualities about the West is the continuous sequence of original thinkers in ancient Greece, in Rome, in Christian and in Modern Europe. The mere appearance of a Socrates at one point in time is not the issue. Find me in ancient Asia a continuous line of original thinkers

Morris brings up the Renaissance only to tell us that there were renaissances everywhere. The revivals ones sees in Asia history were always revivals of the same traditional ways of thinking; imagine Europeans for ever writing textual studies of Plato

Christianity? -- well, Morris says that all religions are the same. Christianity and Islam are fundamentally different religious traditions, and not only because the former has exhibited a far richer scholarly tradition, which is rather visible in the immediate fusion of Greek philosophy, Roman Law, and Christian theology in the first centuries AD, not to mention the Middle Ages, but because in Islam the idea that Allah has limits to his own powers, by making an everlasting covenant, with human beings, is unthinkable, in that Allah is viewed as absolutely transcendent; whereas for Christianity the authority of the earthly rulers is limited by God's law, which both grants rights to every person and holds that God is conterminous with Reason. There is no self-limitation to the sovereignty of Islamic rulers, and for this reason Islam has faced great difficulties producing a secular political order subject to constitutional checks and balances.

as we develop the ability to tailor treatments to individuals, we should expect that someone who can pay for the best treatments for their particular DNA sequences to achieve far better health-care outcomes than someone who can't afford the best treatments and has to settle for general therapies rather than individualized medicine.

we're going to increasingly know who is or isn't likely to respond to treatment, and we may often know this in advance. For instance, genomics is already having a significant impact on breast-cancer treatment: by analysing the DNA of both the patient and the cancer cells, doctors can now identify 25% of cases which won't respond to standard chemotherapy. That's great; it saves money and needless suffering. But to the extent that a result like this is based on a patient's genetic profile, the cost effects can be predicted in advance and passed through to insurance premiums.

individualised medicine breaks down some of the egalitarian presumptions that lie behind health insurance. Part of the logic behind insurance is that it's a risk pool; none of us knows when we're gonna go, so we agree to split the costs. But genetic profiling may increasingly give each of us our own set of pre-existing conditions, good or bad. And that may test people's willingness to chip in for the health costs of their fellow-citizens. When "it coulda been me" turns into "nope, it couldn't", we may start seeing...hm, I was about to say "a breakdown in social solidarity", but then I remembered we're talking about America here. How about "even less willingness to do anything for people who aren't as lucky as you are."

This is the first time the genome of an ancient pathogen has been reconstructed, opening the way to tracking other ancient epidemics and how their microbes adapted to human hosts.

If the microbe’s genome is so little changed, the deadliness of the Black Death may reflect the condition of its medieval victims. Harsh as the economic stresses assailing Europe today may be, they are a breeze compared with problems in the mid-14th century. The climate was cooling, heavy rains rotted out crops and caused frequent famines, and the Hundred Years’ War began in 1337. People were probably already suffering from malnutrition and other diseases when the plague arrived like the fourth horseman of the apocalypse.

work by Dr. Achtman and Dr. Krause had shown that the Black Death “was really a series of epidemics coming out of China and sweeping across the susceptible ecological situation” created by the culture of medieval Europe. The plague in each outbreak probably did not persist very long and was repeatedly re-established by new infections from East Asia, where the bacterium is still endemic in small rodents like marmots.

The actual playing area is modeled after the 19th-century deconsecrated church in Manchester, England, where I first saw this “Macbeth” (as part of the Manchester International Festival) last summer. Once again, there is a central aisle between tiers of benches that turn the audience into a cross between guilty churchgoers and prurient spectators at a bullfight. And once again, there is a chancel at one end, with an altar ablaze with devotional candles

But Mr. Oram has scaled up his original designs and, free of the constraints of working in an existing church, has shifted the emphasis from the ecclesiastic to the chthonic. Theatergoers herded into the Armory’s main hall (and herded they are, having been divided into seating groups with names of Scottish clans) walk a stone path toward an ominous, Stonehenge-like structure.

The production begins in medias res: a full-throttle battle fought in the aisle between the seating areas. The floor is dark dirt, soon to be moistened by rain and blood. And throughout the show, people will grab handfuls of it, flinging it in wide arcs, as if to further besmirch the always crepuscular skies.

Researchers here say they have unearthed stone tools proving that humans reached what is now northeast Brazil as early as 22,000 years ago. Their discovery adds to the growing body of research upending a prevailing belief of 20th-century archaeology in the United States known as the Clovis model, which holds that people first arrived in the Americas from Asia about 13,000 years ago.

Paleontologists in Uruguay published findings in November suggesting that humans hunted giant sloths there about 30,000 years ago. All the way in southern Chile, Tom D. Dillehay, an anthropologist at Vanderbilt University, has shown that humans lived at a coastal site called Monte Verde as early as 14,800 years ago.

Dr. Guidon, the Brazilian archaeologist who pioneered the excavations, asserted more than two decades ago that her team had found evidence in the form of charcoal from hearth fires that humans had lived here about 48,000 years ago.

what about us "experts?" What have we learned? Are there really any significant new insights? Do we know much more today than we did a generation ago?

France uplifted the downtrodden people of Algeria and Indo-China

My generation was deeply influenced half a century ago by economists and mathematicians. We scholars all wanted to be - and particularly to show -- that we had mastered all the techniques of our professions as social scientists, that we could build models, make graphs, juxtapose trends, etc. After all, we were writing our learned books and essays for our academic colleagues and our paymasters, not for those we were describing. So, at least those who were paid by our government and its proxy think tanks often became, as the English say, "too clever by half." They and their counterparts in universities, after all, had to prove their "smarts" in order to get funded, promoted or kept on

Scientists in Iceland have produced an unprecedented snapshot of a nation’s genetic makeup, discovering a host of previously unknown gene mutations that may play roles in ailments as diverse as Alzheimer’s disease, heart disease and gallstones.

Decode, an Icelandic genetics firm owned by Amgen, described sequencing the genomes — the complete DNA — of 2,636 Icelanders, the largest collection ever analyzed in a single human population.

With this trove of genetic information, the scientists were able to accurately infer the genomes of more than 100,000 other Icelanders, or almost a third of the entire country

They pointed out the longstanding partnership between Russia and the Assad regime and the great threat of the Islamic State to Russia, where an estimated 14 percent of its population are Sunni Muslims. Later, I questioned President Putin about his support for Mr. Assad, and about his two sessions that year with representatives of factions from Syria.

Iran outlined a general four-point sequence several months ago, consisting of a cease-fire, formation of a unity government, constitutional reforms and elections. Working through the United Nations Security Council and utilizing a five-nation proposal, some mechanism could be found to implement these goals.

The needed concessions are not from the combatants in Syria, but from the proud nations that claim to want peace but refuse to cooperate with one another.

In less than a century, the number of people living in Mexico fell from an estimated 20 million to 2 million. “It’s a massive population loss. Really, it’s impressive,” says Rodolfo Acuña-Soto, an epidemiologist at the National Autonomous University of Mexico. What can even kill so many people so quickly?

Now, DNA from 16th-century cocolitzli victims has offered up a somewhat unexpected new candidate: Salmonella enterica, or the bacteria that cause paratyphoid fever. The DNA evidence comes from the teeth of 11 people buried in a large Mixtec cemetery in southern Mexico

Bos’s team repurposed a method called metagenomics that sequences all of the DNA in a sample, generating a long list of all bacteria present in the teeth. One researcher went through the list by hand, and a specific strain of Salmonella enterica popped up repeatedly. Dental pulp samples from five people who died before European contact but buried in the same site contained no significant amounts of S. enterica.

Men of the Jewish faith from New York, who have just been drafted into the national Army, attending a religious service during the Jewish New Year holidays in a cantonment building assigned to them for the purpose

Resplendent in chapeaux, our cover subjects 100 years ago were Maj. Gen. Tasker H. Bliss, the Army chief of staff, and his predecessor, Maj. Gen. Hugh L. Scott. Are you surprised that a uniform should look so quaintly ornate in an era of aerial bombing and chemical warfare? The chapeaux proved surprisingly resilient. “Although for all intents and purposes it died with the United States’ entry into World War I, the chapeau was not finally and officially dropped as an item of officers’ dress until 1936,” Edgar M. Howell wrote in “United States Army Headgear 1855-1902.”

With almost every issue of the Mid-Week Pictorial, the camera was proving more adept as a chronicler of war at its decisive, spontaneous moments. The caption of the photograph below read, “Remarkable snapshot of a scene during the retreat of the Russians, showing the first mad rush after the cry was raised that ‘the German cavalry have broken through!’ ”

RULES? MORE RULES? REALLY? Isn’t life complicated enough, restricting enough, without abstract rules that don’t take our unique, individual situations into account? And given that our brains are plastic, and all develop differently based on our life experiences, why even expect that a few rules might be helpful to us all?

“I’ve got some good news…and I’ve got some bad news,” the lawgiver yells to them. “Which do you want first?” “The good news!” the hedonists reply. “I got Him from fifteen commandments down to ten!” “Hallelujah!” cries the unruly crowd. “And the bad?” “Adultery is still in.”

Maps of Meaning was sparked by Jordan’s agonized awareness, as a teenager growing up in the midst of the Cold War, that much of mankind seemed on the verge of blowing up the planet to defend their various identities. He felt he had to understand how it could be that people would sacrifice everything for an “identity,”