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Nowhere does the plight of Christians look so pitiful as in Turkey, nominally secular but 99% Muslim. At the turn of the 20th century, some 500,000 Orthodox Christians, mostly ethnic Greeks, lived in Constantinople, where they constituted half the city's residents, and millions more resided elsewhere in what is now Turkey. Today, Bartholomew has only about 4,000 mostly elderly fellow believers (2,000 in Istanbul) left in Turkey's 71 million-plus population. The quasi-militaristic regime of Kemal Ataturk that supplanted the Ottoman Empire during the 1920s forcibly Westernized the country's institutions but also made Islam an essential component of the Turkish national identity that it relentlessly promoted.
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"Kemalist ideology regarded Christianity as Greek and thus foreign," says Greek Orthodox writer Joshua Treviño. The result was a series of official and unofficial ethnic cleansings, population transfers, massacres and pogroms in Turkey, such as the wholesale destruction of Orthodox churches in 1955. The murders of a Catholic priest in 2006 and of an Armenian Christian journalist and three evangelicals, two of whom were Turkish converts, in 2007, together with threats and assaults against other Christian clergy by ultra-nationalists and Islamic militants, indicate that such anti-Christian animus is far from dead. Furthermore, the current government refuses to allow the reopening of Turkey's sole Greek Orthodox seminary, closed in 1971, which means that there have been no replacements for Turkey's aging Orthodox priests and -- since Turkish law requires the patriarch to be a Turkish citizen -- no likely replacement for Bartholomew himself, whose death may well mean the extinction of his 2,000-year-old see.
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Nonetheless, Bartholomew devotes the bulk of his book to anything but the mortal threat to his own religion in his own country. High on his list of favorite topics, most with only a tangential relationship to Orthodoxy, is the environment. He has won the nickname "the Green Patriarch" for the decade or so he has preached the ecological gospel, largely to liberal secular audiences in the West. "Encountering the Mystery" is in large part a collection of eco-friendly platitudes about global warming ("At stake is not just our ability to live in a sustainable way but our very survival") and globalization, adorned with a bit of theological window-dressing, that today's secular progressives love to read.

Regarding globalization, Bartholomew cannot decide whether global capitalism is bad ("there are losers as well as winners") or good ("We must learn, therefore, both to think and to act in a global manner"). Plus, we must "transcend all racial competition and national rivalry," "promote a peaceful resolution of disagreements about how to live in this world," and yadda, yadda, yadda. Islam comes into play in the book only in terms of another bromide: a call for "interfaith dialogue."
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On first reading, this exercise in fiddling while the new Rome burns seems pathetic, presenting a picture of a church leader so intimidated by his country's Islamic majority that he cannot speak up for his dwindling flock even as its members are murdered at his doorstep. Bartholomew's book presents an eerie mirror image of the concerns of aging, culturally exhausted, post-Christian Western Europe, happy to blather on at conferences about carbon emissions and diversity but unwilling to confront its own demographic crisis in the face of youthful, rapidly growing and culturally antagonistic Muslim populations. The suicide of the West meets the homicide of the East.

On the other hand, Bartholomew's "green" crusade across Western Europe may actually represent a shrewd last-ditch effort to secure a visible profile and powerful protectors for his beleaguered church. The patriarch has been an incessant lobbyist for Turkey's admission to the European Union, and his hope has been that the EU will condition Turkey's entry on greater religious freedoms for all faiths.
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"The EU are secularists," says the Rev. Alexander Karloutsos, an administrator for the Greek Orthodox Archdiocese of America, based in New York. "They won't do anything out of religious reasons, but they will do it out of secular reasons if they can be persuaded that what's best for Europe is to have a Muslim state that's pro-Western in values, such as freedom of religion." The bureaucrats of Brussels may care little about Christianity, but they care deeply about global warming and multiculturalism, and on those issues Bartholomew has carved out common ground.

Orthodox Christianity is not dead yet. Its famous monastery on Mount Athos in Greece has enjoyed new growth recently, and in America some Orthodox churches are drawing converts attracted by the glorious liturgy and ancient traditions. It is unfortunate that Orthodoxy's spiritual leader feels compelled to position the Orthodox with a Western Europe that is, in fact, spiritually dead.






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Florida's big push to slash homeowner insurance premiums, a major issue in a state hurt by a sinking real estate market, has turned to bust in the face of stiff opposition from the powerful property-insurance industry.

"It certainly didn't pan out," said Bob Milligan, the state's consumer insurance advocate.

"At best we've seen kind of a reduction in the increases, not really decreases from what they were prior to 2006," Milligan said in an interview.

He was referring to the huge increases many homeowners have seen since eight hurricanes crisscrossed Florida in 2004 and 2005, when insurers paid out about $35 billion in insured losses in the state.
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Prodded by Gov. Charlie Crist, who has had several insurers subpoenaed over rate issues after campaigning aggressively last year on a promise to fix the insurance problem, state lawmakers have enacted a sweeping package of property insurance reforms.

Among other measures, they doubled the size of Florida's state hurricane catastrophe fund to $32 billion and authorized state-controlled Citizens Property Insurance Corp. to compete directly with private insurers.
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Through the catastrophe fund, lawmakers also agreed to provide state-subsidized reinsurance -- backup coverage for property -- to insurers on the understanding that savings would be passed on to their customers.

Though expected to result in a statewide cut in homeowners' insurance premiums averaging 24 percent, Bob Hunter, insurance director at the Consumer Federation of America, said the new laws were now seen cutting rates only about 12 percent.

"It's the big national companies that are balking," Hunter told Reuters, saying they had failed to pass on reinsurance savings to consumers despite record profits in recent years.

One such company is Allstate Floridian Insurance, a unit of Allstate Corp, the nation's largest publicly traded insurer, which recently filed to raise homeowner rates in Florida by nearly 42 percent.

Allstate Floridian spokesman Adam Shores said the increase, partly prompted by a decision to buy additional reinsurance on the private market, was in line with harsh economic realities and the costs associated with catastrophic risk.
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"We fully recognize that this is a difficult time for a lot of Floridians; people are hurting; and they're experiencing a lot of high costs with property insurance, property tax, things of that nature. But we need to be in a position of financial strength to protect customers when a major catastrophe strikes, like we know it will," Shores said.

"There have been a lot of promises that have been made by the political leaders in Tallahassee about where rates would be and what those rates would look like," he added. "The promise that we have made, and the promise that we will continue to stand by, is to be there for our customers when it comes time to pay their claims."
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Crist, a Republican, is still pressing for relief in a state saddled with what industry insiders rate as the second- or third-highest priced homeowner's insurance of any state in the country. He appeared to win at least a partial victory last week when State Farm agreed to cut its property insurance rates in Florida by an additional 2 percent, on top of the 7 percent cut it implemented earlier this year.

State Farm, one of three companies hit with subpoenas by officials probing high insurance costs, has also agreed to cooperate with authorities on further investigations into potential collusion between insurers, trade associations and rating organizations aimed at preventing homeowner premiums from going down.

Since more dramatic rate cuts have failed to materialize so far, however, many Floridians say they back a measure proposed by two of the state's Democrats, who recently submitted a bill in Congress calling for the creation of a federal catastrophe fund where states could pool their risks against future storm damage.

"The citizens of Florida are really fed up," said Teri Johnston, who heads a grass-roots organization known as Fair Insurance Rates in Monroe that has pushed for insurance cuts in the Florida Keys.

"They're very frustrated and angry right now," said Johnston, who noted that skyrocketing premiums have been driving residents out of a place once considered a sun-drenched, tropical paradise at a rate of about 17 people a day.
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Like other homeowners in southernmost Key West, Johnston said she currently pays more than $1,000 a month to insure her 1,200-square-foot house there.

"It's something that's supported by a number of important insurers," Bob Hartwig, president of the Insurance Information Institute, an industry trade association, said when asked about a federal catastrophe fund.

"I think the issue is getting somewhat more traction and interest in Congress," he added. "As we move along I think we'll hear more about this."
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Patients with multiple clogged arteries are better off getting bypass surgery than stents, a study found.

The analysis, published in the New England Journal of Medicine, isn't likely to settle the dispute between cardiac surgeons, who perform bypasses, and the interventional cardiologists who implant stents. But it gives further ammunition to those who argue that stents -- metal scaffolds that keep arteries propped open -- are overused.

Both procedures fall under the umbrella of revascularization -- attempts to relieve chest pain by opening up arteries clogged by heart disease. In the most severe cases, revascularization has also been shown to reduce heart attacks and deaths.

The study looked at the newest kind of stents, those coated with drugs to keep arteries open, made by Johnson & Johnson and Boston Scientific Corp. in the U.S. Previous studies saw similar results with older, bare stents.

In stenting, introduced in the 1990s, doctors thread a stent up through a small incision in the leg, widening clogged arteries instead of replacing them. A patient can be back at work the next day. A bypass requires open-heart surgery and has patients laid up for weeks.

As a result, bypass surgeons have been left to treat only the most severe cases of heart disease. The number of bypass surgeries has declined and bottomed out recently at about 300,000 procedures in the U.S. last year, according to Millennium Research Group. That compares to about a million stentings. The average cost of a multivessel bypass surgery and office follow-up visits over two years was put at about $28,000 in one study, versus about $20,000 for multivessel stenting.
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But patients who opt for stenting may be paying a price down the road. In this week's study, doctors at the University at Albany looked at patients who received a stent or bypass in New York state in 2003 and 2004, comparing subsequent rates of death and heart attacks. The actual death rates between the competing procedures didn't differ. But after adjusting for risk factors -- bypass patients were sicker to start out -- the study found substantial differences.
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After adjustments, New Yorkers with two clogged arteries who received a bypass had a 29% lower death rate over the next 18 months than those who received stents. Three-quarters of such patients had opted for stenting. For the sickest patients -- those with three clogged arteries -- surgery yielded a 20% lower death rate. Two-thirds of those patients received surgery.

Donald Baim, Boston Scientific's chief scientist, said the fact that the differences in death rates arose only after statistical adjustment is cause for skepticism. The company has funded a study that will assign patients randomly to stenting or surgery, eliminating the need for such adjustments. "People are voting with their feet that they would rather have the less-invasive procedure," Dr. Baim said.
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You wouldn't expect to learn much about the properties of water by watching a square dance. But think again. Following the caller's lead, the dancers meet, separate, weave, and swing in a perfectly fluid manner.

It turns out that similar coordinated maneuvers—with water molecules taking the places of the dancers—may be responsible for some of water's most puzzling features, an array of recent research findings suggest.

As liquids go, water is a radical nonconformist—differing from other liquids in dozens of ways (see the latest count at www.lsbu.ac.uk/water/anmlies). Most famous among water's peculiarities is its density at low temperatures. While other liquids contract and get denser as they cool toward their freezing points, water stops contracting and starts to expand. That's why ice floats and frozen pipes burst.
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Confining water molecules in nanometer-size pores has provided new evidence that, in addition to its many other oddities, H2O may exist in two distinct liquid phases at ultralow temperatures.
Nicolle Rager Fuller
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Water gets even weirder at colder temperatures, where it can exist as a liquid in a supercooled state well below its ordinary freezing point. Recent evidence suggests that supercooled water splits its personality into two distinct phases—another oddity unseen in other liquids. And last year, water surprised scientists yet again, when they found that at –63 degrees Celsius, supercooled water's weird behavior returns to "normal."

That discovery, scientists say, may help explain some aspects of water's peculiar personality, such as its ability to transition from gas to liquid to solid and back to liquid again. Findings from related experiments have important implications for understanding how water interacts with biological molecules, such as proteins, and may lead to better ways of freezing and storing biological tissues such as sperm and human oocytes.
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Water's ability to exist in a liquid state well below its freezing point has been studied for centuries. What's new, scientists say, is growing evidence about what happens to water at superlow temperatures. Under these extraordinary conditions, there is not just one kind of water, but two.

This two-phase phenomenon was first predicted in 1992 by physicist H. Eugene Stanley of Boston University and his graduate student Peter Poole, now at St. Francis Xavier University in Antigonish, Nova Scotia. Using computer simulations to study the behavior of liquid water at very low temperatures, the scientists suggested that water could exist as either a high-density liquid or as a low-density liquid.
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Stanley and Poole also proposed that the dividing line between these two liquid forms might end in a "critical point," where the two liquids would become indistinguishable, changing from one form to the other.

In a series of experiments in recent years, scientists have begun to close in on this critical point. These advances offer a glimpse of possible explanations for water's unusual behaviors, and suggest that Stanley and Poole may have been on to something.
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Some of water's odd properties have traditionally been explained as consequences of the hydrogen bonds that form between water molecules (and sometimes other molecules). Each V-shaped molecule of water contains one oxygen atom centered between two hydrogen atoms. The chemical bonds holding the molecule together create a slightly negative charge on the oxygen atom and a small positive charge on each of the hydrogen atoms.
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FORCES OF ATTRACTION. Water molecules are held together in a flexible, but stable network of hydrogen bonds. The bonds, though weak, help keep water liquid over a wider temperature range than one would expect for molecules of its size.
Nicolle Rager Fuller

These unequal charges make water molecules extremely "sociable"—eager to bond with each other. Because hydrogen bonds are much weaker than normal chemical bonds, the water molecules move about freely, binding briefly with adjacent molecules before moving on to others. Stanley likens this fast-paced network to a square dance taking place in a large dance hall.

"In square dancing, you're always releasing one partner and grabbing another, and that is a hydrogen bond network, exactly," he says.

In the case of water, the square dance occurs among molecules that have four arms, instead of two. That's because each water molecule has the potential to form four hydrogen bonds. The result is a network of tetrahedrons, or pyramids with a triangular base.

This tetrahedral arrangement creates a peculiar tension, permitting structural changes in response to different temperatures and pressures. In liquid form, the tetrahedral structures allow unrestrained hydrogen bonding to occur as numerous molecules pack into and around the tetrahedron. (Imagine a swift square dance with dancers moving in and out of the center of the square and circling around it as well.) The result is a dense, fluid structure, such as that of everyday tap water.

As water approaches its freezing point (0°C), however, the tetrahedral structure becomes more open and begins to expand. Ordinary water reaches its maximum density at 4°C. As water continues to cool, falling to its freezing point and below, it continues to expand.

Here, the tetrahedral arrangement is more rigidly enforced, with molecules spaced an "arm's length" apart. The arrangement creates a more spacious, open structure, and water becomes lighter. If ice weren't lighter than cold water, ponds and lakes would freeze from the bottom, rather than form a floating layer of surface ice, and water would cease flowing in the dead of winter. Water's weirdness therefore allows fish to swim in the water beneath the ice and plants to survive the winter cold.

At temperatures below the freezing point, ice crystals form around defects, such as cracks or dust particles. By using extremely clean water samples—free from any such defects—scientists have found ways to defy freezing and obtain supercooled liquid-water that remains liquid below 0°C.
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This procedure works only to a certain point. At extremely cold temperatures, (–38°C and lower), it is nearly impossible to keep water from freezing. But under certain conditions, such as the ultrahigh pressures found deep undersea, water can remain liquid even at such low temperatures. Scientists have been unable to make water that cold in the laboratory, though, and so what Stanley calls a "no man's land" of conditions had been explored only in computer simulations.

But now, using a clever technique to confine water samples in nanoscopic pores, scientists are beginning to explore the structure and properties of deeply supercooled water.



As even a square-dancing novice knows, you can't hold a hoedown in a cramped, narrow hallway. Water's hydrogen-bonding network is a fast-moving, gregarious one. Cramming water molecules into a tiny space, with a diameter less than five water molecules wide, brings the molecular square dance to a standstill.

"If a room were very, very narrow, it would be hard to have a normal square dance because a lot of people would be up against the wall and there would be no partner to grab on to," Stanley says. "In a similar fashion, water molecules that are confined against a wall have only two or three arms, and the whole hydrogen-bond network is disrupted."
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Because the hydrogen-bond network brings stability to water, the breakdown of this network changes water's properties, allowing it to remain liquid at a much lower temperature, he says.

Scientists began exploring ways to nanoconfine water molecules more than a decade ago, using a spongelike material that had holes of different sizes. http://louis-j-sheehan.biz/page1.aspx
While the experiments showed that nanoconfinement could be used to cool water well below its usual freezing temperature, the results were often hard to interpret because water in the larger holes would freeze, causing crystallization throughout the material.
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In 2005, Sow-Hsin Chen of the Massachusetts Institute of Technology and his colleagues found a way to get around this problem, using a new material called MCM-41. Chung-Yuan Mou of National Taiwan University of Taipei had created MCM-41 by refining the fabrication of silica-nanotube assemblies. The material resembles a microscopic beehive with a hexagonal array of holes, all uniformly sized, just a few nanometers wide.
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Curious to see how confined water might respond in MCM-41, Chen filled the hexagonal arrays with water. He then cooled the water to –73°C and bombarded the arrangement with neutrons. The microscopic cells of MCM-41 not only prevented ice crystals from forming but also allowed the scientists to probe water's molecular structure. http://louis2j2sheehan.us/page.aspx


Building on this work, Chen and colleagues conducted a series of experiments to see how water's properties change as temperature drops at ordinary pressures.

In 2006, Chen showed that, when cooled below 225 kelvins (or –48°C), water's hydrogen-bonding structure undergoes a phase transition, changing from a disordered, fluid state to a more ordered, rigid state. Furthermore, this line of transition between a high-density liquid and low-density liquid, called the Widom line, occurred in a continuous fashion, as predicted by Stanley and Poole in 1992. This transition, called a fragile-to-strong dynamic crossover, helped explain why, at superlow temperatures, proteins and other biological molecules exist in a glassy state, losing all flexibility and biological function.

"This dynamical transition of protein at 225 K is triggered by its association with the hydration water, which shows a similar dynamic transition at that temperature," Chen says.
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In addition, the study showed that water's phase change at 225 K—moving from a disordered state to a more ordered state—violates a well-known formula called the Stokes-Einstein relation. This formula, based on a picture of a disordered, fluid state, ties together liquid properties such as diffusion, viscosity, and temperature, and generally works for normal- and high-temperature liquids.

Because this formula breaks down in subzero conditions, the experiment suggests that supercooled water may be a mix of two liquid phases, rather than a single liquid. Chen's study, published in the Proceedings of the National Academy of Sciences (PNAS), provided the first experimental evidence of such "liquid polymorphism" and received the journal's 2006 prize for best paper.
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Last year, Chen and his colleagues surprised the scientific community, and themselves, when they discovered that under supercold conditions, liquid water again begins to expand, returning to normal behavior. http://louis-j-sheehan-esquire.us/
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Using a neutron-scattering method and analysis to measure the density of subzero liquid water, they showed that water reaches a minimum density at 210 K, or –63°C.
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In doing the experiments, the scientists used heavy water, or D2O, because of its neutron-scattering properties. They then repeated the experiments using regular water and two light-scattering techniques and came up with the same results. The findings were reported last June in PNAS.

Though this kind of behavior had been predicted in computer simulations, it had never been observed. The findings add to the long list of experimental anomalies associated with supercooled water, and provide the strongest experimental evidence yet for a second "critical point" in liquid water, Chen says.
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A critical point defines the set of pressures and temperatures at which a liquid changes from one form to the other. "It would be hard to explain a density minimum unless there was a second critical point," he says.



Water already has one well-known critical point at 647 K, or 374°C, where, under ordinary pressures, the liquid and gas phases become identical.



MULTIPLE PERSONALITIES. Water's many forms, or phases, change with shifts in temperature and pressure. Below –38°C, at high enough pressures (a region researchers call "no man's land"), water may remain liquid. The precise locations of the phase boundaries are uncertain, but those shown here are supported by computer simulations.
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"As water approaches this critical point, the difference between water and steam grows increasingly smaller," Stanley explains. "At the critical point, there is nothing distinguishing water from steam, there is just one, homogeneous fluid."

More important, he says, a critical point serves as a "tipping point," where water can exist in either of two states, and minor fluctuations can tip the balance in one direction or the other.

The hypersensitivity created by a critical point can have far-reaching effects upon a system, says Stanley. In predicting a critical point in supercooled water, he and Poole theorized that water's crazy low-temperature behavior might account for some of its unusual properties even at ordinary temperatures.
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That's because changes at a critical point don't occur abruptly, Stanley says. The huge changes seen near the water-gas peak, for example, are often, if not always, foreshadowed by fluctuations over a large range of temperatures and pressures.

"It's like looking at the highest peak on a mountain range," Stanley says, gesturing toward a picture of Mount Everest in his office. "The critical point, or summit, doesn't rise out of nowhere, but rises in a gradual manner and distorts the terrain all around it."

That means that a critical point at –63°C might account for water's bizarre behavior at much higher temperatures, such as its ability to expand as it cools.
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Though findings from recent studies point to the predicted second critical point, it is still too soon to know whether such a point exists for sure. Further evidence is needed.
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This year, Chen and his group will seek some of that evidence by performing another, more far-reaching set of experiments on supercooled water in MCM-41. Using a specially designed pressure cell for low temperatures, the scientists will analyze changes in liquid water as it moves from its maximum density point at 4°C to its minimum density at –63°C and beyond under various pressures. By studying how density changes with temperature and pressure, the researchers hope to locate the liquid-liquid critical point precisely.

"The critical point is at a high pressure, and no one knows exactly what it is, but we believe it's probably above 1,000 atmospheres," Stanley says.

Other scientists are raising questions about the extent to which supercooled water in confined volumes, no matter what the pressure, actually behaves like cold, bulk water.

"When you put water into confinement, it changes the way in which water molecules are arranged with respect to each other," says C. Austen Angell, a chemist at Arizona State University in Tempe, who studies liquid phases in supercooled water. "The question is, how much does it change it?"
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Angell notes that despite recent progress, much remains uncertain and many of the explanations are built on simulations that can give different results, depending on the model and tools used in the study.

"There are other possibilities, related to the second critical point scenario, in which the low-pressure supercooling of uncrystallized bulk water is terminated by a first-order [sharp] transition to a second 'low-density' liquid phase," he says. Angell's take on supercooled water will appear in an upcoming issue of Science.

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