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| A.M. Costa Rica's Second news page | |
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San
José, Costa Rica, Thursday, May 8, 2014, Vol. 14, No. 90
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Protesters plan to
confront
Rafael Correa at speech today By
the A.M. Costa Rica staff
A diverse group of environmentalists, feminists and gays will be protesting the speech here today of Rafael Correa, the president of Ecuador. Correa, here to attend the presidential inauguration, has scheduled a 4 p.m. presentation at the Universidad de Costa Rica. His topic is the achievements of the citizen revolution in Ecuador. The environmentalists are unhappy because Correa is approving additional oil drilling leases in his country. Feminists are unhappy because they said he characterized their ideology as one that destroys the family. Gays are unhappy because Corea has mocked proposals for same-sex marriage. Protesters will gather with their signs outside the university's law school before the speech. Road deaths so far in 2014 are higher than in 2013 By
the A.M. Costa Rica staff
Transportation officials said that 105 person died in traffic mishaps during the first four months of the year. The number is 13 more than in the previous year. The increase in deaths caused the head of the Policía de Tránsito, German Marín, to issue orders for more enforcement on the highways. Some 40 percent of those who died, 42, were driving or riding on a motorcycle, officials said. The transport officials attributed the fatalities to excessive speed and/or alcohol. In addition, pedestrians are risking their lives by avoiding pedestrian bridges over major highways, they said. Here are some quick steps to fail the driving exam By
the A.M. Costa Rica staff
The transport ministry has outlined some quick ways to fail the driving exam for a motor vehicle license. Tops on the list is showing up for the test under the influence of alcohol or drugs. Having an accident will result in failure, too, the agency said. Also driving more than 120 kilometers an hour during the test is guaranteed failure, said the Ministerio de Obras Públicos y Transportes. That's nearly 75 miles per hour. In all there are 31 major errors that will result in failing the test, the ministry said. Some of the obvious ones are showing up with a vehicle in bad condition or going through a red light. But the ministry also says that showing up five minutes late also means failure. The major errors cost a would-be driver 32 points. Since 80 points out of 100 are required to pass, the candidate has to wait 15 days to retake the test. And add to the list running down a pedestrian. That, too, is a no no. The ministry said that the list of rules will going into effect Tuesday. They are an effort to make driving tests more consistent. Fortunately most expats who have a form of residency and a foreign license can obtain one in Costa Rica without taking the written and driving tests. Meteor whacked Alberta, Canadian experts suspect By
the University of Alberta news staff
The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite large enough to leave an eight-kilometer-wide crater, producing an explosion strong enough to destroy present-day Calgary, say researchers from the Alberta Geological Survey and University of Alberta. The first hints about the impact site near the southern Alberta hamlet of Bow City were discovered by a geologist with the Alberta Geological Survey and studied by a university team led by Doug Schmitt, Canada research chair in rock physics. Time and glaciers have buried and eroded much of the evidence, making it impossible at this point to say with full certainty the ring-like structure was caused by a meteorite impact, but that's what seismic and geological evidence strongly suggests, said Schmitt, a co-author of a new paper about the discovery. "We know that the impact occurred within the last 70 million years, and in that time about 1.5 kilometers of sediment has been eroded. That makes it really hard to pin down and actually date the impact." Erosion has worn away all but the roots of the crater, leaving a semicircular depression eight kilometers across with a central peak. Schmitt says that when it formed, the crater likely reached a depth of 1.6 to 2.4 kilometers — the kind of impact his graduate student Wei Xie calculated would have had devastating consequences for life in the area. "An impact of this magnitude would kill everything for quite a distance," he said. "If it happened today, Calgary (200 kilometers to the northwest) would be completely fried and in Edmonton (500 kilometers northwest), every window would have been blown out. Something of that size, throwing that much debris in the air, potentially would have global consequences; there could have been ramifications for decades." The impact site was first discovered in 2009 by geologist Paul Glombick, who at the time was working on a geological map of the area for the Alberta Geological Survey. Glombick relied on existing geophysical log data from the oil and gas industry when he discovered a bowl-shaped structure.
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| What we published this week: | Monday | Tuesday | Wednesday | Thursday | Friday | Earlier |
| The contents of this page and this Web site are copyrighted by A.M. Costa Rica.com Ltda. 2014 and may not be reproduced anywhere without permission. Abstracts and fair use are permitted. Check HERE for details | ||||||
A.M. Costa Rica Third News Page |
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| San José, Costa Rica, Thursday, May 8, 2014, Vol. 14, No. 90 | |
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| Judiciary considers new, swifter eviction law to be
successful |
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By
the A.M. Costa Rica staff
Judicial officials are upbeat about the impact of a new law that cuts the time necessary for evictions from years to months. The law, Ley 916, went into force last Sept. 5, and from then until February some 45 cases have reached the Juzgados Civiles de Menor Cuantía that is designated by the legislation to handle the cases. Among other changes, the hearing on an eviction is oral and the usual back and forth of paperwork is eliminated, those involved in the process said. And the process is simplified. As expected, the bulk of the cases are those specified in the law: non-payment of rent, overstaying a lease and failing to pay condominium assessments. Luis Guillermo Rivas Loáiciga, the president of the Sala Primera civil court, said that about 80 percent of the cases are like these. Under the new law, once a complaint is files, a judge has five days to issue a resolution, which has the effect of embargoing a tenant's possessions for possible use in repayment. Once notified, the tenant has 15 days to contest the complaint. If the tenant does not respond, the judge signs what amounts to a default order for the eviction. If the eviction is contested, the tenant has 15 days to show that payment had been made. But as the case progresses, the tenant also is obligated to post the appropriate rental amounts with the court. Failing to do so will result in immediate eviction, the judiciary said. So there is no free ride as has been the case under previous laws. Froylán Alvarado Zelada, a judge who handles these cases, said that a typical eviction should take about a month and a half and no more than four months, according to a summary prepared by the Poder Judicial. There are appeals possible, but they, too, are expedited. In the past, tenants have been known to hang on without paying rent through various legal maneuvers for up to five years. The way the |
![]() prior law favored tenants was an impediment to investments into apartment buildings and condos. The same law also applies to commercial locations, such as storefronts. Of the cases that have been filed, many have been dropped for one reason or another. Tenant and landlord might have come to an agreement. About 20 cases are now in various stages of the legal process, the Poder Judicial said. |
| Education ministry promises every employee will be paid May
14 |
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By
the A.M. Costa Rica staff
The education ministry said Wednesday that 828 teachers have not received pay and that 6,000 have only been paid partially. The ministry continued to blame the snafu on moving the files of teachers and other employees to a new payroll system. Many of the nation's teacher are on strike in protest over the non-payment to their colleagues. The Ministerio de Educación Pública came out with a detailed explanation Wednesday. It said that there are 75,000 persons on the payroll, and the bulk have not been affected by the payroll problem. The statement, which was unsigned, defended the quality of the new system, and said that a hundred employes have been working to resolve the non-payment. In the meantime, school children have at least a full week of no |
classes, although
some schools have teachers who are reporting to work.
But in most cases, the children do not come because the parents are
uncertain of the staffing at the school. The statement said that education officials were confident that by May 14, the next payday, the system will be making accurate payments. Of the 828 teachers and employes who have not been paid, at least 628 have been incorporated into the new system so they will be paid May 14, the statement said. The 6,000 teachers who were not paid the extra money they earned by teaching more classes also will be incorporated into the system and paid on time, the statement said. Technicians will be working today and Friday to incorporate into the system the 200 who have not been included yet, said the statement. The ministry also said that some 3 trillion colons additional will be paid out May 14 to make up for deficiencies in payments since January. |
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| What we published this week: | Monday | Tuesday | Wednesday | Thursday | Friday | Earlier |
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| A.M. Costa Rica's Fourth News page | |||||
| San José, Costa Rica, Thursday, May 8, 2014, Vol. 14, No. 90 | |||||
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| Half of the melting of glaciers in Greenland blamed on
natural forces |
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| By the University
of Washington news service University of Washington atmospheric scientists have estimated that up to half of the recent warming in Greenland and surrounding areas may be due to climate variations that originate in the tropical Pacific and are not connected with the overall warming of the planet. Still, at least half the warming remains attributable to global warming caused by rising carbon dioxide emissions, they said.. The paper is published in Nature. Greenland and parts of neighboring Canada have experienced some of the most extreme warming since 1979, at a rate of about 1 degree Celsius per decade, or several times the global average. “We need to understand why in the last 30 years global warming is not uniform,” said first author Qinghua Ding, a university research scientist in atmospheric sciences. “Superimposed on this global average warming are some regional features that need to be explained.” The study used observations and advanced computer models to show that a warmer western tropical Pacific Ocean has caused atmospheric changes over the North Atlantic that have warmed the surface by about a half-degree per decade since 1979. “The pattern of the changes in the tropical Pacific that are responsible for remarkable atmospheric circulation changes and warming in Greenland and the Canadian Arctic are consistent with what we would call natural variability,” said co-author David Battisti, a professor of atmospheric sciences. Researchers say it’s not surprising to find the imprint of natural variability in an area famous for its melting ice. In many of the fastest-warming areas on Earth, global warming and natural variations both contribute to create a perfect storm for warming, said co-author John Wallace, another professor of atmospheric sciences. The natural variations in the new study related to an unusually warm western tropical Pacific, near Papua New Guinea. Since the mid-1990s the water surface there has been about 0.3 degrees hotter than normal. Computer models show this affects the regional air pressure, setting off a stationary wave in the atmosphere that arcs in a great circle from the tropical Pacific toward Greenland before turning back over the Atlantic. “Along this wave train there are warm spots where the air has been pushed down, and cold spots where the air has been pulled up,” Wallace said. “And Greenland is in one of the warm spots.” |
![]() University of Washington APL Polar Science
Center/Ian Joughin
Greenland ice canyon filled with
melt water in summer 2010.In previous studies, Wallace and Battisti have documented the existence of decades-long climate variations in the Pacific Ocean that resemble the well-known shorter-range El Niño variations. This particular location in the tropical Pacific may be a sweet spot for generating global atmospheric waves. A series of studies led by co-author Eric Steig, a professor of earth and space sciences, working with Ding and Battisti, showed that waves starting in the same place but radiating southward are warming West Antarctica and melting the Pine Island Glacier. Researchers can’t say for how long the tropical Pacific will remain in this state. “Our work shows that about half of the warming signal in Greenland comes from the predictable part – forcing of climate by anthropogenic greenhouse gases – but about half comes from the unpredictable part,” Steig said. This makes shorter-term forecasts difficult, but helps scientists to make more accurate long-range projections, they said. “Nothing we have found challenges the idea that globally, glaciers are retreating,” Battisti said. “We looked at this place because the warming there is really remarkable. Our findings help us to understand on a regional scale how much of what you see is human-induced by the buildup of CO2, and how much of it is natural variability.” |
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| A.M. Costa Rica's Fifth news page |
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| San José, Costa Rica, Thursday, May 8, 2014, Vol. 14, No. 90 | |||||
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| China jails leading critic as Tiananmen date nears By
the A.M. Costa Rica wire services
China has detained a well-known journalist on charges of leaking state secrets, the latest in Beijing's crackdown on dissent ahead of the sensitive anniversary of the Tiananmen Square massacre. The official Xinhua news agency said Thursday that Gao Yu was detained April 24 on suspicion of illegally obtaining a copy of an unspecified government document and passing it to overseas media. The 70-year-old was shown on Chinese state television confessing, saying what she had done was extremely wrong. "I believe what I have done has violated the law and has harmed the interests of my country. What I have done is extremely wrong. I will earnestly and sincerely take a lesson from this, and I admit my guilt," said Ms. Gao. Ms. Gao's political activism and journalism has landed her in jail before. In 1993, she received a jail sentence of six years on similar state secret charges. She is the former deputy editor of the Economics Weekly and has written on topics such as the Communist Party's campaign against free speech. Ms. Gao was also a supporter of the Tiananmen Square democracy movement, which in 1989 was crushed by Chinese troops. Estimates of those killed range from several hundred to several thousand people. As they do every year, Chinese authorities have begun rounding up government critics ahead of the June 4 anniversary of the massacre. Prominent rights lawyer Pu Zhiqiang and at least four others were detained this week after they attended a Beijing seminar to commemorate the crackdown. The U.S. State Department on Wednesday said it is deeply concerned at the reported detentions, and called for the dissidents to be freed immediately. It has been almost 25 years since Chinese troops, backed by tanks, moved in to crush the student-led demonstration. The crackdown triggered worldwide condemnation. China still considers the incident a counter-revolutionary rebellion and has never admitted any wrongdoing in its handling of the uprising. It has never disclosed an official death toll or other key details on the crackdown, which is not discussed in state media. Government censors also work hard to erase any reference to the incident in the country's very popular social media outlets. Pakistan jails FBI agent when bullets found in gear By
the A.M. Costa Rica wire services
Pakistani officials say an American has been arrested in the port city of Karachi following a security check at an airport. Senior police officer Rao Anwar says in an interview Wednesday that the American was detained Monday after authorities at the Karachi airport found he was carrying 15 rounds of ammunition for a 9-mm. handgun and three knives during the routine checks. Authorities say he was bound for the Pakistani capital, Islamabad. Anwar said "the American failed to provide any legal permission for carrying the bullets." He added that the man's laptop and other possessions have been sent for forensic examination. The U.S. Embassy in Islamabad would not confirm the man's identity, but spokeswoman Meghan Gregonis said the embassy is "aware of the situation that has been reported, and we are coordinating with Pakistani authorities to resolve this matter." In Washington, State Department spokeswoman Jen Psaki confirmed the detention. She also did not name the man but said he was an FBI agent on a "temporary duty assignment to provide routine assistance to the legal attache at the U.S. mission.'' The airport security force in Karachi detained the man before handing him over to police. He is charged with carrying illegal ammunition, which carries a maximum 14-year sentence. A court on Tuesday remanded the man to police custody until Saturday. The incident comes at a time of relative calm in the sometimes strained relationship between the United States and Pakistan, which have conducted joint efforts against terrorism. The 2011 fatal shooting of two Pakistani men by CIA contractor Raymond Davis in the eastern city of Lahore sparked a diplomatic crisis between the countries. A Pakistani court eventually freed Davis following a payment of $2 million to the families of those killed. Obama's approval ratings are concern for Democrats By
the A.M. Costa Rica wire services
U.S. President Barack Obama has seen his approval ratings dip in some recent public opinion polls, and that has Democrats worried as they prepare for November’s congressional midterm elections. A recent Washington Post/ABC News survey found the president’s approval rating at a record low of 41 percent. And the latest Wall Street Journal/NBC News poll found that only 38 percent approved of President Obama’s handling of foreign policy, also a low mark for his presidency. There are plenty of reasons for the dip in public confidence. Two-term presidents often experience a slip in poll ratings in their sixth year, just in time for the congressional midterm elections. And that usually spells trouble for the party controlling the White House, according to George Washington University expert John Sides. “For better or for worse, the president is the party’s leader and as he sinks or swims, so goes the party,” Sides said. “The Democrats would be in a much better position if Obama were having kind of an increase in his second term approval that would match something like Bill Clinton’s.” A number of Democrats in tough re-election fights in November are already putting some distance between themselves and the president, especially some Senate Democrats in Republican-leaning states like Alaska, Louisiana and North Carolina. “I think they are probably going to try to distinguish themselves somewhat from the president’s agenda and hopefully thereby blunt any impact that his unpopularity might have in those places,” Sides said. “Democrats who represent Republican-leaning states and districts don’t have a lot of reason to mention the president, to have him campaign for them, to mention his record.” Republicans will focus much of their campaign this year to voter worries about the economy and the troubled rollout of the president’s signature health care law, the Affordable Care Act. But recent polls also show a decline in public approval of the president’s handling of foreign policy. In the recent Wall Street Journal/NBC News poll, only 37 percent of those surveyed approved of the way President Obama is handling Russia’s intervention in Ukraine. Republicans have been quick to criticize the administration on Ukraine including Sen. Kelly Ayotte of New Hampshire. “And so I’m disappointed in the administration’s tepid response that we’ve seen and I think it’s time to issue the tougher economic sanctions on sectors of the Russian economy,” Ayotte said. Democratic pollster and strategist Celinda Lake acknowledges that the events in Ukraine are having an impact in the polls. “There are a lot of Americans who like a more muscular foreign policy, particularly when you are facing the Soviet Union or former Soviet Union, particularly when you are facing a bully like Putin,” she said. The recent Wall Street Journal/NBC News poll also found that Americans appear to be more reluctant than ever to engage overseas, especially if there is a risk of military involvement. The survey found 47 percent agreed with the notion that the U.S. should be less active in world affairs, a figure that is higher for similar surveys conducted back to the mid 1990’s. But after lengthy military involvements in both Afghanistan and Iraq, pollster Lake said Americans are sending a clear message to policy makers from both political parties that it’s time to refocus on problems at home. “Americans are just so tired of being involved abroad,” she said. “There is just real fatigue about it.” President Obama defended his foreign policy during his recent trip to Asia. He said that critics always seem to want him to take tougher action, including options that might involve military force. “Why is it that everybody is so eager to use military force after we’ve just gone through a decade of war at enormous costs to our troops and to our budget? “ President Obama told a news conference in the Philippines recently. “If we took all the actions that our critics have demanded, we’d lose count of the number of military conflicts that America would be engaged in.” The president made light of his poll situation during his remarks at the recent White House Correspondents Association dinner in Washington. “Folks are saying that with my sagging poll numbers, my fellow Democrats don’t really want me campaigning with them,” he said. “And I don’t think that’s true though I did notice the other day that Sasha needed a speaker at career day and she invited Bill Clinton.” Pollster Lake said Democrats are much more aware of their political predicament this year than they were in 2010 when Republicans clobbered them at the polls on Election Day and retook control of the House of Representatives. She said Democrats are hyper-focused this year on turning out their core supporters who like to vote in presidential election years but not so much in midterm congressional cycles. This group includes what she called the Rising American Electorate of younger people, unmarried women and minority voters. Some analysts believe signs of an improving economy could help the Democrats blunt the Republican advantage this year. “Perhaps because it is spring we are seeing a tiny bit of optimism that we haven’t seen since before 2008. Hints of it in a number of polls in the last two or three weeks and that could certainly advantage the Democrats if in fact it continues,” said public opinion expert Karlyn Bowman of the American Enterprise Institute. But Ms. Lake said that even as the Obama administration tries to convince voters that the economy is improving, many at the lower income levels are not feeling it. “Voters are very distrustful about the economy,” she said. “American voters, particularly blue-collar voters, do not feel that this economy is in recovery. Many of the Democratic Party’s base constituencies are ones that have had the hardest time — young people, unmarried people, people of color. “So it’s a tough election cycle, and you are going to see a lot of incumbents be surprised, and you are going to see turnout matter a lot, and it’s going to be tough for Democrats, there is no question about it,” Ms. Lake said. So while some Democrats keep their distance from President Obama in their re-election efforts, many will eagerly welcome campaign help from former president Bill Clinton and former secretary of State Hillary Clinton, who is expected to decide whether to run for president sometime after the midterm elections. And helping Democratic candidates in 2014 could pay dividends down the line if Mrs. Clinton decides to make another bid for the White House two years from now. ![]() Wyss Institute photo
Cups and egg containers are made
of shrimp shell derived plastic.Shrimp shells
may yield
a biodegradable plastic By
the A.M. Costa Rica wire services
A substance found in the shells of crustaceans and parts of insects could provide the world with an abundant and environmentally friendly way to replace many plastics. It’s called chitosan, a resilient form of chitin, which researchers at Harvard’s Wyss Institute for Biologically Inspired Engineering say is the the second-most abundant organic material on Earth. Chitin is a tough polysaccharide found in the shells of crustaceans. After Wyss announced its progress making chitosan-based materials in March, they were approached by a variety of companies and entrepreneurs eager to learn about it and explore possible commercial uses, said Javier Fernandez, a lead researcher on the project. One example, a simple drinking cup, could be made from about 200 grams of shrimp shells, about a handful, Fernandez said. To put that in perspective, Fernandez said that one species of plankton-sized crustaceans, the copepod, is estimated to produce billions of tons of chitin each year. “That means that they have produced in the last 12 months roughly the same amount of chitin than the worldwide plastic production since 2009,” he said in an email. According to the Wyss Institute, humans manufacture about 34 million tons of plastic waste per year, recycling a mere 7 percent. The remaining 93 percent ends up in landfills and oceans. Wyss said that plastic in landfills could take up to 1,000 years to degrade, and that there is an estimated 100 million tons of plastic swirling around in the world’s oceans. “There is an urgent need in many industries for sustainable materials that can be mass produced,” Wyss Director Donald E. Ingber said in a statement. “Our scalable manufacturing method shows that chitosan, which is readily available and inexpensive, can serve as a viable bioplastic that could potentially be used instead of conventional plastics for numerous industrial applications.” While there are several bioplastics on the market, they are commonly made of cellulose, a plant-based material. These, Wyss researchers say, have only been made into simple containers for food or drinks. So far, shaping cellulose into durable, complex 3D shapes that can be mass produced using traditional casting or injection molding manufacturing techniques has remained elusive, researchers at Wyss said. While Harvard researchers have made cups and food containers from chitosan, they say it could also be used to make trash bags, grocery bags, packaging materials and diapers that are biodegradable and release nutrients for plants. Fernandez said shrimpers around the world, particularly in Vietnam, India and Honduras, are always looking for economically viable ways to discard shrimp shells. Chitosan-based material could make the waste another revenue source, said Fernandez, adding that would be an important step in mass producing chitosan. Currently, the majority of shrimp shells are discarded, used in fertilizers, or for cosmetics and dietary supplements. Finally, those who suffer from shellfish allergies need not worry about food packed in a chitosan container, said Fernandez. The part of the shrimp that causes allergies is in the musculature, not the shell, he said. D.C. academy experiments with same-sex classrooms By
the A.M. Costa Rica wire services
Do students learn better when they’re placed with classmates of the same sex? Educators at an all-girl school in Washington believe they do, but others say there are other, more critical, factors that make a school effective. Anyreah Clavijo likes school and hopes to be a fashion designer when she grows up. The 10-year-old attended kindergarten in a coed classroom, but for the past five years, she’s been at Excel Academy, the first all-girl independently-run, taxpayer-supported school in Washington, D.C. Anyreah says she prefers being in an all-girl school. “They make me feel like I’m loved and that I’m the smartest person in the world…boys are rough and they like to do other stuff than girls," she said. Excel Academy, which opened its doors in 2008, offers a free, academically rigorous program to a mostly low-income community and serves more than 600 girls, from preschool through grade five. Kaye Savage, Excel Academy’s founder and chief executive officer, says that in order to break the inter-generational pattern of poverty, it’s important to start with girls and to start with them at a very young age. “Often times in co-educational settings teachers teach to the boys,” she said. “They are a little bit louder and much more active than the girls, and girls end up becoming second-class citizens in their own classrooms and in their own schools.” But Galen Sherwin, a staff attorney with the American Civil Liberties Union Women’s Rights Project, says that the data really isn’t there to support any claims about advantages for single-sex education. “Similarities between boys and girls are much greater and more relevant than any differences,” she said. “Certainly any differences that exist are not relevant from an educational standpoint.” But regardless of gender, a key factor for educational success is early development, says Elaine Weiss, an education expert at the Economic Policy Institute. “Everything that happens in those early lives, from how stressed or non-stressed their mother was during pregnancy, how nourished she was, how many books there were in the home, how high quality their childcare was, whether they had access to a quality pre-kindergarten program, all of those things prepare them more or less for kindergarten,” she said. And while Ms. Savage believes Excel Academy's gender-segregated classrooms make a difference, Ms. Weiss says other factors at the school have a bigger impact, especially for girls who would otherwise not have such opportunities. “They start for example in pre-school, so they’re addressing some of that early gap before kids get to kindergarten,” she said. “They keep their classes relatively small, so that teachers can have a one-on-one conversation and interaction with students. They have enriching after-school opportunities." In addition to smaller classes and at least two teachers per class in the lower grades, the school also provides the students with three nutritious meals a day. Ms. Savage has high expectations for her students, and girls in general. “As you begin to look across the array of senior executive leadership roles in mega corporations, you do not see a lot of women,” she said. “We would like to begin to shift the dynamics.” Anyreah Clavijo is not sure if she will continue her education in an all-girl program, but for now she says, she is happy where she is. “I think I feel more confident in what I’m saying and what I do around my friends… and around my teachers,” she said. Another new element discovered in laboratory By
the A.M. Costa Rica wire services
Most of the naturally-occurring elements have already been discovered, but that does not mean that new elements cannot be created - only that they are too unstable to exist for a long time. Australian scientists recently reported creation of a new, super-heavy element. The first 98 elements on the Periodic Table occur naturally, although some of them only in traces. The other 19, created in sophisticated laboratories, are extremely unstable and last only moments before decaying to more stable elements. This includes the newest element successfully created in a German laboratory by a multinational team of scientists led by Australian researchers. It's been temporarily named ununseptium, and is 40 percent heavier than lead. David Hinde, of the Australian National University, says a beam of calcium 48 nuclei, coming from an accelerator, flies into a scattering chamber where it hits atoms of berkelium 249. "Inside this chamber then we have the target that the beam strikes, and our two large detectors which allow us to investigate which are the most suitable reactions to form super-heavy elements," said Hinde. Creation of new elements helps scientists better understand the chemistry and physics of atoms, but it may also lead to the discovery of new technologies. "What we learn here we hope will have broader application in the future," said Hinde. Russian scientists also reported the creation of ununseptium in 2010. But the international body that verifies new elements, the International Union of Pure and Applied Chemistry, requires at least two independent successful experiments to confirm their existence. Evidence of the next element on the list, element 118, has also been found so scientists wonder if they will be able to create even more new elements. Carbon-laden air seen affecting plant quality By
the A.M. Costa Rica wire services
Climate change is threatening human nutrition, according to experts, who say rising levels of carbon dioxide in the atmosphere are robbing the global population of vital plant nutrients. That conclusion follows the release of the 2014 National Climate Assessment, which predicts that extreme weather will disrupt agricultural production, and have negative consequences for food security, both in the U.S. and globally. The study says the damage will come not only through changes in crop yields, but also from changes in the ways climate affects food processing, storage, transportation, and retailing. Unless something is done, climate change will take significant amounts of dietary zinc and iron away by 2050 from food staples, including rice, wheat, corn, soy, field peas and sorghum, according to the experts. Scientists with the Harvard School of Public Health make the prediction in a new study published in the journal Nature. An estimated two billion to three billion people receive 70 percent or more of those essential nutrients from wheat, rice and legumes, particularly in the developing world. Samuel Myers, a researcher in Harvard’s Department of Environmental Health in Boston, said, “What our study is showing is that, unequivocally, as CO2 concentrations rise up to levels that we expect to see in the next 40 years, there are very significant reductions in nutrients that are really important for public health.” Zinc is essential for a healthy immune system, according to Myers, helping to fend off diarrheal diseases, pneumonia and measles, while deficiencies in iron cause anemia and decreased IQ in children. Mothers who are severely anemic are at increased risk of death. Some two billion people worldwide suffer from zinc and iron deficiencies, resulting in a loss of 63 million life years annually. Life years are a measurement of years that are lost due to disability and disease. For the study, the nutrient content of plants exposed to artificially elevated levels of carbon dioxide was compared to that of plants grown naturally in nearby fields. Data was analyzed from 41 cultivars, or specially bred varieties of grains and legumes, from seven different locations in Japan, Australia and the United States where the CO2 experiments were carried out. The results showed significant decreases in zinc and iron in wheat, rice and legumes at the highest concentrations of carbon dioxide. In some of the plants, researchers also noted decreases in protein stores. As a hedge against rising atmospheric carbon dioxide, Myers said it may be possible to grow varieties of food crops that are immune to the negative impacts of CO2. “For example, we looked at 18 rice cultivars and we found that some rice cultivars are much more sensitive to the CO2 effect than others," said Myers. "And that led us to speculate in our paper that conceivably, there may be an opportunity to try to develop cultivars of crops that are less sensitive to the CO2 effect.” Ultimately, Myers says the only way to counteract severe depletions in natural sources of zinc and iron is to hold carbon dioxide concentrations steady, while developing enriched grain crops or ones that are CO2 resistant. ![]() Black Death
survivors
lived longer after plague By
the University of South Carolina news service
A new study suggests that people who survived the medieval mass-killing plague known as the Black Death lived significantly longer and were healthier than people who lived before the epidemic struck in 1347. Caused by the bacteria Yersinia pestis, the Black Death wiped out 30 percent of Europeans and nearly half of Londoners during its initial four-year wave from 1347 to 1351. The study by University of South Carolina anthropologist Sharon DeWitte in the journal PLOS ONE provides the first look at how the plague, called bubonic plague today, shaped population demographics and health for generations. The findings have important implications for understanding emerging diseases and how they impact the health of individuals and populations of people. “Knowing how strongly diseases can actually shape human biology can give us tools to work with in the future to understand disease and how it might affect us,” Ms. DeWitte says. She says the Black Death was a single iteration of a disease that has affected humans since at least the 6th century Plague of Justinian. “Genetic analysis of 14th century Y. pestis has not revealed significant functional differences in the ancient and modern strains,” Ms. DeWitte says. “This suggests that we need to consider other factors such as the characteristics of humans in order to understand changes in the disease over time.” To better understand those human factors, Ms. DeWitte has spent the last decade examining the skeletal remains of more 1,000 men, women and children who lived before, during and after the Black Death. The skeletons, maintained in the archives of the Museum of London, were excavated from a handful of well-documented London cemeteries, including St. Mary Spital, Guildhall Yard, St. Nicholas Shambles and St. Mary Graces. The skeletons are catalogued in 3-foot by 1-foot boxes. As she studies each skeleton, DeWitte determines biological sex, age at death and analyzes specific markers, including porous lesions, and teeth, to gauge each individual’s general health. Her bioarchaeological research is providing a new dimension to the study of Black Death and provides the first look at the lives of women and children during this medieval time period. “It’s innovative because of the analytical approaches I take. I’m providing more nuanced reconstructions of life in the past than is possible with more traditional methods in my field,” Ms. DeWitte says. “My Black Death research is rare because the samples that I use are exceedingly rare. There are only a handful of large cemetery samples that are clearly linked to the 14th century Black Death. “And, most medieval historical records only tell about the experience of men. We have little information about the experiences of women and children and the poor in general during medieval plague epidemics, including the Black Death. My bioarchaeological data allows us to understand how the population in general fared during and after the epidemic.” DeWitte’s analysis has revealed several important findings. Most notably that: • the 14th-century Black Death was not an indiscriminate killer, but instead targeted frail people of all ages; • survivors of the Black Death experienced improvements in health and longevity, with many people living to ages of 70 or 80 years, as compared to pre-Black Death populations; • improvements in survival post-Black Death didn’t necessarily equate to good health over a lifespan, but revealed a hardiness to endure disease, including repeated bouts of plague; and • the Black Death, either directly or indirectly, very powerfully shaped mortality patterns for generations after the epidemic ended. Ms. DeWitte says she was surprised by how much of a change she estimated between the pre- and post-Black Death periods. “The Black Death was just the first outbreak of medieval plague, so the post-Black Death population suffered major threats to health in part from repeated outbreaks of plague,” Ms. DeWitte says. “Despite this, I found substantial improvements in demographics and thus health following the Black Death.” |
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| San José, Costa Rica, Thursday, May 8, 2014, Vol. 14, No. 90 | |||||||||
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![]() Ministerio de Gobernación,
Policía y Seguridad
Coast guard crewmen offload a
net full of cocaine.Pública/Jorge Alonso Alvarez U.S. and Costa
Rica join
forces to snag cocaine boat By
the A.M. Costa Rica staff
United States and Costa Rican agencies coordinated in discovering nearly two tons of cocaine aboard a supposed fishing boat off the southwest Pacific coast. After not sleeping for 36 hours, local coast guard officers detained a trio of Costa Rican men on Tuesday about 30 miles from Golfo Dulce's entrance, according to a Fuerza Pública report. Thanks to Costa Rica's joint patrol agreement, the two countries have again worked together in a successful drug bust. Mario Zamora, the minister of Security said Wednesday that U.S. authorities had been feeding vital information to the country's Servicio Nacional de Guardacoastas for two days to help crewmen locate the boat. The 10-meter long fishing vessel, named "Angel del Mar II," was registered in Quepos. A press representative from the Fuerza Pública said that the coast guard from the "Santamaría" patrol ship saw there were no fish aboard the ship and found the 1,900 kilograms of cocaine contained in more than 40 packages that were hidden in the hold. The report said the drugs were taken to Golfito Tuesday afternoon for further inspection by the Policía de Control de Drogas. In the past month, the crew from "Santamaría" has been involved with three drug busts that have yielded approximately 3,200 kilograms in all. They had to fish more than a ton of cocaine packages from the Pacific following an April 10 arrest off Cabo Matapalo where the smugglers threw them overboard. |
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| From Page 7 ; Florida Bebidas agrees to help fight poverty By
the A.M. Costa Rica staff
Florida Bebidas, the beverage firm that has subsidiaries making beer, fruit drinks and other products, has entered into an agreement with the Instituto Mixto de Ayuda Social. The firm will send its 1,500 employees to identify person in the metro area in extreme poverty and generate programs to benefit them. The institute is the government's main poverty-fighting agency. The agency and Florida Bebidas will work to develop programs that help persons at risk and to help them move out of their negative economic circumstances, said the agency. The law that created the agency allows it to enter into such joint agreements with private firms. Experts at the Universidad de Costa Rica are expected to help the beverage company obtain the information it needs to develop programs, the Instituto Mixto de Ayuda Social said. Eventually the program might be extended to other parts of the country outside the metro area, the institute said. |