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San
José, Costa Rica, Wednesday, April 30, 2014, Vol. 14, No. 84
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Go to Page 5 HERE! Go to Page 6 HERE! Sports is HERE! Opinion is HERE! Classifieds are HERE! Plus useful links |
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Premium television
sources
are cutting access via VPN By
the A.M. Costa Rica staff
Expats who use a virtual private network to receive U.S.-based premium television may have problems. The virtual private network, as described in A.M. Costa Rica last year, tricks U.S. company that do not want to distribute their signal overseas. These include Netflix, Hulu, HBO and Amazon Prime. Some of the companies are cracking down., Hulu announced that it is blocking requests for shows that arrive through anonymous browsers. One expat complained Tuesday night that Amazon no longer was providing the signal to his virtual private network setup. He said he expected nearly all of the premium channels to follow. Many expats are not stealing the signal. They subscribe using a U.S. location and then access the video content by tricking the servers that they are in the United States. Many do this because Latin American alternatives are mostly in Spanish. Dumb tweet causes pain for cell phone provider By
the A.M. Costa Rica staff
Humor sometimes is not humorous to others, and Twitter can offend. That is the lesson from a Sunday evening adventure by a Claro employee who had access to the company's Twitter account. No names have been released by the company, but the situation is a big embarrassment. Claro has a slogan ¡Claro que si! Perhaps playing off the slogan, the unnamed employee tweeted: A no from a woman derives from the Latin beg me a little more. In Spanish, of course. The roof dropped in a few minutes later as those who received the tweet responded. By Monday, Claro has withdrawn the tweet and apologized. The country's Oficina de Control de Propaganda even issued a press release saying that no means no. The agency said that such use of media can construct a social reality. It noted that many women suffer sexual violence. Woman, 21, found dead in her Cahuita home By
the A.M. Costa Rica staff
The Judicial Investigating Organization said that a 21-year-old woman died from unknown causes in Cahuita. The woman, identified as Juliana Brown, was found dead at her home by her husband Tuesday morning. Investigators found abrasions on her shoulders and back, they said. A complete autopsy has been ordered. Authorities said the body has been taken to the morgue to determine a cause of death. Our reader' opinion
Some consistency neededor investments discouraged Dear A.M. Costa Rica; What Costa Rica could do to make things better for everyone would be to try to develop some sort of consistency in your regulatory regimen. U.S. citizens are used to dealing with regulations, but when the rules are interpreted differently by each official we deal with, it encourages all people to avoid compliance and the resultant hassle. The banking rules currently in place, no matter if they are required by the U.S., Costa Rica or the international community, will discourage investment and cash flows into C.R. simply because of the uncertainty involved in the transactions. It will have a dampening effect on the real estate market in particular given that in C.R. it is largely unregulated and therefore risky for investors. We love our place and Tico neighbors in C.R. and have returned every year for the last 14. We plan to spend much more time there when we retire, but we would really like to see the banking procedures cleaned up and standardized. Otherwise, we are happy with C.R.'s requirements and wouldn't think of heading for Panamá. We are hoping the new administration can make some headway with these issues... The
Tisthammers
Fortuna Experiment shows testing of breath detects lung cancer By
the A.M. Costa Rica wire services
U.S. researchers have developed a breath test that detects lung cancer. Researchers say the test is more sensitive than high-tech imaging, especially for distinguishing benign tumors from cancerous ones. When an X-ray scan of a patient's lungs reveals a nodule or tiny mass, the challenge for doctors is determining whether the growth is benign, or a sign of early stage cancer. Investigators say the breath analysis could help when used in conjunction with PET scans or other imaging modalities. Researchers conducted a trial involving 107 patients with lung cancer, 40 people with benign lung nodules, and seven individuals whose cancer had spread to other parts of their body. The results were compared to a group of 88 healthy individuals. The breath analysis was almost as sensitive as high-tech imaging at identifying patients with lung cancer, and it was twice as accurate at distinguishing benign lung disease, dramatically reducing the rate of so-called false positives. Michael Bousrama is an associate professor at the University of Louisville medical school and the study’s lead author. He says lung spots are often detected on an X-ray or CT scan when a patient goes to the doctor complaining of shortness of breath or chest pain. “In this day and age what you do is you do a biopsy; either you stick a needle through the skin and into the lung, into the mass, or you do a bronchoscopy; or you might get a PET scan to determine whether or not it’s more or less likely to be cancer. All of those things are expensive and the CT-guided biopsy and the bronchoscopy are invasive procedures. They have complications and pain associated with them. So the concept of being able to analyze somebody’s breath to help determine whether a given pulmonary nodule is cancer or not could be very appealing," said Bousrama. Bousrama says the breath test, which can be done in the doctor’s office, has the potential to quickly put a patient’s mind at ease in determining that a growth is benign. The test is designed to measure levels of four specific substances called carbonyl compounds, which are found in the breath of people with malignant tumors. The majority of patients in the study with benign nodules had at most only one elevated carbonyl compound compared to people with stage IV lung cancer. They had three or four elevated cancer markers. Bousrama envisions using the breath analysis to confirm an initial diagnosis of lung cancer using high-tech imaging. He says the test won’t be available for a number of years.
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A.M. Costa Rica Third News Page |
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| San José, Costa Rica, Wednesday, April 30, 2014, Vol. 14, No. 84 | |
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| Five decades later, Desamparados woman still searches for
lost sisters |
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By
Michael Krumholtz
of the A.M. Costa Rica staff Though Sonia Pérez Rojas was too young to really know her baby sisters before they went missing, she continues searching for them more than 50 years later. In 1963, when Ms. Pérez was 8 years old her sisters, Teresita and Janet, disappeared. One day a man familiar with the family came to the house to take the girls out shopping for clothes. After he left with them, promising to bring the pair back with new dresses, the family never saw Teresita or Janet again. By then in the care of her aunt, who had taken custody of the children after their mother died, Ms. Pérez said the family desperately tried to find the lost children before learning they were in the care of the Patronato Nacional de la Infancia. The family put out missing person ads in La Nación soon after the disappearance, which appeared in a May issue that year. Ms. Pérez said the girls were between 4 and 5 years old at the time. Though Ms. Pérez repeated that the memories remain hazy, she said the man who took the girls was an old friend or colleague of her aunt's. Looking back, Ms. Pérez said its possible the man was from the Patronato. The family later found evidence that one or both were involved with the Patronato, as shown by the limited information given under the file name Folio 33. At her home in Desamparados, Ms. Pérez keeps a folder of the case's known details. A thin pile of news clippings, photographs and contact information make up the only knowledge she has of her lost sisters. Helped by a pair of lawyers, the family went to the Patronato to try to pinpoint the whereabouts of their loved ones. The only |
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information the institution would reveal was the address for a family in California that supposedly adopted the girls. Still intent on finding her sister, Ms. Pérez has put out ads for her sister in local papers like La Teja and Diario Extra as recently as 2011. She said she did not advertise with media outlets in the United States nor did she try to reach out to the family in California. Ms. Pérez had previously discussed her situation with former Costa Rican orphan-turned-documentary-filmmaker Jacqueline Arias. Ms. Arias is now making a movie on this subject that deals with Costa Rica's lost generation of orphaned children that went through the Patronato until the end of the 20th century. |
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| President-elect's top selections are heavy with academics |
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By
the A.M. Costa Rica staff
Some in the media have made much of the number of lawyers in the new administration of Luis Guillermo Solís Rivera. But current and
One appointee, Manuel González Sanz, who will become the foreign minster, is a lawyer. Coincidentally, the current foreign minister, |
Enrique Castillo,
is
partner in the same firm, Facio & Cañas. Three of the top appointees, including Juan Carlos Mendoza García, the U.N. ambassador-designate, have served in the legislature. Wilhem Von Breymann Barquero, the tourism minister-designate, is one of a handful who appear to have non-governmental and non-political work experience. He runs several tourism firms. María Elena López Núñez, the health-minister-designate, is a physician. Melvin Jiménez Marín, the minster of the Presidencia-designate, is a serving Lutheran bishop. Luis Felipe Arauz Cavallini is an agricultural engineer and is the minister-designate in that field. The lack of top appointees with real world word experience has some business leaders nervous. Solís has said he wants to even out the income gap. In fact, what he calls income inequality is one of the three main points in his campaign. He contends that past governments have gone easy on big companies and the rich by not collecting the taxes the administrations should. Solís also campaigned against corruption. Large government projects generate payoffs and back door deals, but the principal enforcer of the laws are the Poder Judicial and the Ministerio Público where prosecutors work. An investigation into the Ruta 1856 road project along the Río San Juan in northern Costa Rica still is an open investigation. And most of the judiciary and even the prosecutors were put in their position by the political organizations that are presumed to host corruption. |
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| Those who wish to attend inauguration will need a ticket
beforehand |
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By
the A.M. Costa Rica staff
Citizens who wish to attend the inauguration of Luis Guillermo Solís Rivera May 8 will have to get a ticket beforehand. The committee handling the arrangements said that tickets will be available starting Saturday at the outlets in the Estadio Nacional, where the inauguration will be held May 8 This will be the first inauguration at the new stadium. The transition |
team said that
23,000 person will attend. Among these will be
representatives from 158 countries and a number of Latin American
presidents. Felipe, the heir to the Spanish crown, already has confirmed his attendance. The prince tries to attend most such events in Spain's former colonies. Also scheduled is the Orquesta Sinfónica Nacional. Planners also are scheduling celebrations in other communities, they said. |
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| You need to see Costa Rican tourism information HERE! |
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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, Wednesday, April 30, 2014, Vol. 14, No. 84 | |||||
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| New report on Gulf War illnesses cites some progress and
advances |
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By
the Boston University news staff
Progress has been made toward understanding the physiological mechanisms that underlie Gulf War illness and identifying possible treatments, according to a report released by a congressionally mandated panel directed by a Boston University School of Public Health researcher. Treatment research has increased significantly since 2008, and “early results provide encouraging signs that the treatment goals identified in the 2010 Institute of Medicine report are achievable,” the Research Advisory Committee on Gulf War Veterans’ Illnesses said in a report presented to Veterans Administration Secretary Eric Shinseki by the Committee’s scientific director, Roberta White, chairwoman of environmental health at the univeristy The institute, part of the National Academies of Sciences, had forecast that treatments, cures, and hopefully preventions could likely be found with the right research. The advisory committee report updates scientific research published since the landmark report in 2008, which established that Gulf War illness was a real condition, affecting as many as 250,000 veterans of the 1990-91 Gulf War. The committee is composed of scientific experts and veterans. “The conclusions of the 2008 RAC report had a substantial impact on scientific and clinical thinking about Gulf War illness, as well as the public acceptance of this disorder,” said White. The earlier report documented a number of studies that found evidence linking the illness to exposure to pesticides and pyridostigmine bromide (found in anti-nerve gas pills given to troops), as well as other toxic sources. “Studies published since 2008 continue to support the conclusion that Gulf War illness is causally related to chemical exposures in the combat theater,” Ms. White said of the new report. “And many studies of the brain and central nervous system, using imaging, EEG and other objective measures of brain structure and function, add to the existing evidence that central nervous system dysfunction is a critical element in the disorder. Evidence also continues to point to immunological effects of Gulf War illness.” Exposure to the nerve gas agents sarin and cyclosarin has been linked in several studies to changes in magnetic resonance imagingthat are |
associated with
cognitive impairments — further supporting the nervous-system effects
of those agents cited in the 2008 report. “The committee concludes that the evidence to date continues to point to alterations in central and autonomic nervous system, neuroendocrine, and immune system functions,” the report says. Studies also continue to show that Gulf War illness is not associated with psychological stressors during the war, the panel said. Rates of stress and other psychiatric illnesses in Gulf War veterans are far below the rate of these disorders in veterans of other recent wars, and far below the rate of Gulf War illness. In addition, the committee said, new evidence has emerged suggesting that certain exposures may be linked to brain cancer in Gulf War veterans. Studies show that veterans who were most exposed to the release of nerve gas during the destruction of the Khamisiyah arms depot in Iraq have significantly elevated rates of death due to brain cancer. Veterans who were exposed to the highest level of contaminants from oil well fires also have increased rates of brain cancer deaths, the report says. The committee encouraged studies exposing animals to toxic agents involved in Gulf War illness “because they can help to determine treatment targets in subgroups of veterans with specific exposures, for which there are known mechanistic pathways that cause illness and symptoms.” In addition, “results from this work can be useful in protecting the health of future military personnel who will experience these exposures, as well as non-military populations with occupational or environmental exposures.” The panel cited a number of promising treatment studies, including those testing certain dietary supplements, intranasal insulin, and continuous positive airway pressure to ease fatigue and pain and improve cognitive function. A consortium of institutions is studying markers in the blood and brain fluid, in addition to brain imaging and memory testing, to try to identify biomarkers of the condition. Studies also are planned on animals, to test initial treatments. |
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| A.M. Costa Rica's Fifth news page |
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| San José, Costa Rica, Wednesday, April 30, 2014, Vol. 14, No. 84 | |||||
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Private firm suggests jet is in another ocean location By
the A.M. Costa Rica wire services
A private land and sea survey company says it has detected possible material from the missing Malaysian jetliner in the Bay of Bengal. The location identified by GeoResonance is thousands of kilometers from the current search area off the southwest Australian coast. Malaysian Defense Minister Hishammuddin Hussein said authorities are working to verify the Australia-based company's claim. However, the Australian agency coordinating the multinational search dismissed the report, saying it is satisfied with its current search location. Investigators determined the current search area using satellite data and what they believe are signals from the plane's flight data recorder. GeoResonance used imaging and radiation technology to search the ocean floor for materials such as aluminum, titanium and jet fuel, that belong to a Boeing 777. The company says it is not ready to declare that the material it located belongs to the missing jet, but says it wants the findings to be investigated. The Malaysia Airlines flight was carrying 239 passengers when it disappeared on March 8 during a flight from Kuala Lumpur to Beijing. The Malaysian government believes someone with aviation knowledge intentionally diverted the plane, but an investigation has turned up no solid leads. A massive search involving dozens of aircraft, ships, sonar listening devices, and a robotic submarine has also failed to locate the plane. The search is now focused underwater, after authorities acknowledged there is little chance that any floating debris will be found. Basketball commissioner bans team owner for life for slurs By
the A.M. Costa Rica wire services
National Basketball Commissioner Adam Silver banished for life Los Angeles Clippers owner Donald Sterling Tuesday in a move aimed at calming public outrage over racist comments he made. "Effective immediately, I am banning Mr. Sterling for life," Silver said during a New York press conference. Silver also said he will urge the other NBA owners to force Sterling to sell the Clippers' franchise, noting he is confident he will get the necessary support from the owners. The sale would take a 75 percent vote of the 29 other team owners. The Clippers owner also will be ordered to pay a $2.5 million fine, said Silver. Silver said the money would be donated to anti-discrimination, and pro-tolerance organizations to be selected by the NBA and the players association. In addition, the NBA commissioner said he would do everything in his power to urge the board of governors to force a sale of the team. "I will do everything in my power to assure that happens," Silver said. The decision came after an investigation that included an interview of Sterling, the commissioner said. Silver said the investigation concluded that "the hateful opinions voiced by the man heard in those recordings are those of Mr. Sterling." After Silver announced the punishment, former NBA player Kevin Johnson praised the commissioner for moving swiftly to address the controversy. Johnson, now the mayor of the city of Sacramento, California, has been acting as a special adviser to the players union since the story broke. The league moved quickly to address the scandal, which broke over the weekend when Website TMZ.com published a 10-minute recording in which a voice said to be Sterling's criticized a friend for associating with black people. The news prompted a wave of outrage from athletes, coaches and fans of the NBA, which was a leader in racial integration in U.S. sports and where most of the players are black. One after another on Monday, team sponsors such as auto dealer CarMax Inc, Virgin America, State Farm, Kia Motors America, music mogul P. Diddy's water brand, AQUAHydrate, Red Bull and Yokohama Tire all announced they were stepping back from the team. Some advertisers have asked to move their commercials out of the national broadcast of Tuesday's Clippers playoff game against the Golden State Warriors by TNT, owned by Time Warner Inc, and the local airing on a sports channel owned by 21st Century Fox, according to sources familiar with the matter. President Barack Obama, the first U.S. black president and a basketball fan, called the comments attributed to Sterling incredibly offensive racist statements,' and U.S. House of Representatives Speaker John Boehner described them as reprehensible. "I don't know the bylaws of the league, but he has to go,'' filmmaker Spike Lee said on CNN late Monday. ``He's tainted all the other 29 partners, he's tainted the league, and he's tainted America. He sees his players as slaves.'' Commissioner Silver said he was personally distraught that "the views came from within and caused current and former players to question their association with the league." "That they came from an NBA owner only heightens the damage," he added. Sterling has a history of racism. In 2009, the real estate mogul paid a record $2.725 million to settle a federal housing discrimination case claiming he sought to exclude black and Hispanic tenants from his rental properties in Los Angeles. Sterling bought the Clippers for $12 million in 1981. Forbes magazine now values the franchise at $575 million. The Clippers are now competing in the NBA playoffs. In a silent protest at their playoff game on Sunday, Clippers' players turned their warm-up suits inside out so that no team logos were showing. Gay marriage support grows in U.S., survey, laws show By
the A.M. Costa Rica wire services
While some nations enact laws targeting homosexuals, same-sex marriage rights are expanding in the United States. Next week marks two years since President Barack Obama declared his support. Since then, the number of states where gays can legally marry has nearly tripled, and public attitudes have shifted as heterosexuals stand up for the gay people in their lives. Examples of the trend abound. A Maryland gay couple, Chris and Shawn Riley, wed after the state legalized same-sex marriage in 2012. The couple has the full support of Chris’ mother, Beverly Rochford. But it was not always so. Raised in a conservative Christian community, Mrs. Rochford was taught from an early age that homosexuality is evil. “You weren’t even supposed to say the word ‘homosexual,’” she said. “It was a sin far above all other sins.” For years, she envisioned Chris one day marrying a woman. But at age 18, he told her he thought he was gay, sparking a crisis of family and faith. Beverly Rochford said she first tried to convince Chris he was mistaken. Then, she reached out to a Christian ministry that promised to cure homosexuality through faith, and bombarded him with religious pamphlets about God’s design for human sexuality. “Back then,” Mrs. Rochford said, “I truly in my heart and soul believed that Chris had a choice, that he was choosing to be gay. I did not think he could go to heaven unless he changed. I really did believe that.” Chris Riley vividly remembers the period of friction with his mother. “It was a tug of war between the two of us,” he said. Chris feared losing his mother’s support, but did not back down. “I know what the Bible says, I know what religion says. But I also am a living example of what it is like to be inside someone who is gay. I am the person who is in here. I know how it evolved. It wasn’t a choice.” Over time, Beverly Mrs. Rochford was able to reconcile church teachings with the reality of a gay son and, now, a gay son-in-law. She said she remains a fervent practicing Christian, but her views on homosexuality have changed. “I just want them to feel loved,” she said. “They are children of God. I am a child of God. How can we help the gay community if all we do is call them an abomination?” Mrs. Rochford is part of a growing legion of heterosexual allies of gay people that has helped boost U.S. support for same-sex marriage to 59 percent in a recent poll, more than double the proportion that backed gay marriage rights 20 years ago. The shift is startling to opinion pollster Kim Parker of the Pew Research Center. “I have been working in polling for the last 20 years,” she said, “and I think this is one of the most dramatic changes in public opinion that we have seen.” Among the causes, according to researchers, is a basic dynamic: gay people feel increasingly comfortable revealing their sexuality, causing family, friends, and peers to rethink attitudes and beliefs. Parker said polling data confirm this. “The people that said they had moved from opposing gay marriage to favoring it, we asked them an open-ended question: ‘What changed your mind?’ And most of them said, ‘It is because I know someone who is gay and that changed my opinion, because I want the best for that person.’” The trend is not universal. Many faith leaders remain opposed to homosexuality. Even so, Maryland Pastor Michael Hall concedes that same sex marriage advocates are transforming public opinion. "They may win the battle,” said Hall. “It seems that way now. But we are standing pretty firm on what we believe. We are going to respectfully and lovingly disagree." Same-sex marriage is now legal in 17 states and the nation’s capital. In all but a handful of the other states, bans on same-sex marriage are being challenged in federal court. It is widely believed the issue ultimately will be decided by the U.S. Supreme Court. During the 2012 battle in Maryland, State Sen. Richard Madaleno saw numerous heterosexuals speak out for their gay loved ones and the impact of their testimony. “When you have a parent come forward and say, ‘Look, this is my child. This is the child that I love. I saw them lose a house, I saw them lose a job, I saw them denied a service. That is not OK with me as a parent. I do not want that, and you should not want that for your children.’ And that changed the debate,” said Madaleno. Beverly Rochford’s evolution on homosexuality has yielded an unbreakable bond with her son, Chris, who called his current relationship with his mother top-notch. She has also gained a son-in-law, Shawn Riley, who said he is grateful for Mrs. Rochford’s “loving daily support.” Mrs. Rochford said she is awed by Chris’ journey from a tormented teenager to an openly-gay married man active in the battle to expand civil rights. “If he has the courage and the conviction to do that, I am very proud of him. I am very proud of him for doing that,” she said. ![]() Voice of America photo
Volunteer works the Queen Mary
radio Voice of Queen
Mary lives
with help of ham volunteers By
the A.M. Costa Rica wire services
The Queen Mary, an ocean liner that once sailed the North Atlantic, is now permanently berthed in Long Beach, California, where it's a tourist attraction and hotel. In one of the rooms aboard the ship, the tradition of ship-to-shore wireless operations is continued, and visitors are introduced to the hobby of ham radio. A young visitor recently got an introduction to Morse code, the system of dots and dashes once used for wireless communication. Amateur radio operators, called hams, still use it today. The Queen Mary was the pride of the Cunard Line after its 1936 launch, and is now a popular tourist attraction. The wireless room preserves the ocean liner's communications hub. Queen Mary Commodore Everette Hoard said it was a lifeline in emergencies, providing two-way messages, ship to shore. “And not only did they carry several transmitters for transmitting the ship's business, they also, even in 1936, had radio-telephone service,” said Hoard. Today, volunteers from the local amateur radio club show off old equipment and operate new gear, as they talk to hams around the world. “Just chit-chat, back and forth, some of them for hours at a time, many on voice, some of them even on Morse code,” said wireless room manager David Akins. Volunteer Kurt Freitag said the wireless station is popular with visitors and hams overseas. “When we get out there and say, this is W6RO, our call letters, we get a pile up. People go, that's the Queen Mary, and they all jump in, talk to me, talk to me, no talk to me,” said Frietag. Ham operators help with communications in disasters, from earthquakes and hurricanes to winter ski accidents. The man who helped create the ship's ham radio operation, Nate Brightman, said helping in emergencies is an important part of the hobby. “That's the big reason that the government is so nice to amateur radio operators and gives us all these frequencies to use, because we serve the public. It's a hobby and it's a lot of fun, but it's also very valuable to the country,” said Brightman. These volunteer radio operators are continuing the heritage of seaborne communication on board the Queen Mary, reaching out to visitors to the ship and radio enthusiasts worldwide. ![]() Voice of America photo
BASIC computer textComputing for
the people
began in a BASIC way By
the A.M. Costa Rica wire services
Thursday marks the 50th anniversary of a special computer language aimed at enabling college students not trained in mathematics to use computers. The birth of BASIC is now seen as a major step toward the era of personal computers. 50 years ago, computers were owned primarily by governments, businesses and universities, operated by programmers who wrote pages of instructions that consisted of mathematical formulas. Hoping their school’s computer could be used by students from other departments, two mathematics professors at Dartmouth College, John Kemeny and Thomas Kurtz, developed a simpler set of instructions. It was called Beginner’s All-Purpose Symbolic Instruction Code, or BASIC. “We deliberately invented a language that was almost devoid of many of the technical details that were present in other languages," said Kurtz. BASIC translated English commands, such as IF…THEN, or GO...TO, into the numerical language computers could understand. Kurtz said the response was overwhelming. “Not only our students loved getting onto the computer any time they wanted to, for whatever purpose they wanted to, but even the faculty got interested. Of course not everybody, but many of them," he said. That happened just as computers became fast enough to execute many commands at the same time, says Peggy Kidwell, curator of mathematics at the Smithsonian National Museum of American History. “Now, that whole notion that anybody could run a computer permeates the whole world. And I would say that is not the immediate legacy of BASIC but it is a part of what was involved in building up on BASIC," said Ms. Kidwell. Kurtz and Kemeny released BASIC to the public, free of charge, so the language quickly became widespread. Kurtz says they hoped it would solve what they saw as a major upcoming problem. “That is to say, the computer is going to be very important in the world, and most people didn’t know anything about it because it was in the hands of experts," he said. The rapid development of computers was followed by many improved versions of BASIC and other easy to use languages. Today, BASIC is used only by enthusiasts, but personal computers owe their existence to the first programing language that anyone could speak. Modern humans reported to have weaker leg bones By
the A.M. Costa Rica wire services
Technology could be making us slower and weaker, according to new research. Cambridge University researchers say that after looking at leg bones of humans dating back to the beginning of agriculture in ventral Europe, human bones show a decline in mobility and loading, especially among males. “These developments are likely to have brought about changes in divisions of labor by sex and socioeconomic organization as men and women began to specialize in certain tasks and activities – such as metal working, pottery, crop production, tending and rearing livestock,” said Alison Macintosh, of Cambridge University’s Department of Archaeology and Anthropology, who led the study. Ms. Macintosh concluded that the mobility of early farmers 7,300 years ago was about at the level of today’s student cross-country runners. In just over 3,000 years mobility was reduced to the level of those students rated as sedentary. Over time, human leg bones changed due to less intense activity. “Both sexes exhibited a decline in anteroposterior, or front-to-back, strengthening of the femur and tibia through time, while the ability of male tibiae to resist bending, twisting, and compression declined as well,” said Ms. Macintosh. She added that as humans transitioned to agriculture in central Europe, the need to for long distance travel and heavy physical work diminished. “As people began to specialize in tasks other than just farming and food production, such as metalworking, fewer people were regularly doing tasks that were very strenuous on their legs," she said. Women’s leg bones did show some evidence of declining mobility, Ms. Macintosh said, but the trends were inconsistent. She thinks the variation may be due to women having been more multitaskers. She said there was evidence in two of the oldest female skeletons of them having used their teeth to carry out tasks, which meant they may have not done jobs requiring stronger leg bones. “This variability in the sexual division of labor in living agro-pastoralist groups shows the importance of context, ecology, and various cultural factors on sex differences in physical activity. So it is important when studying long-term trends in behavioral change between the sexes that the geographic region is kept small, to help control for some of this variability,” said Ms. Macintosh. According to Ms. Macintosh, bones are remarkably plastic and respond surprisingly quickly to change. When they are under stress such as long walks or runs, bones become stronger “as the fibers are added or redistributed according to where strains are highest.” This has been shown through the study of the skeletons of modern athletes, according to the study. “Long-term biomechanical analyses of bones following the transition to farming in central Europe hadn’t been carried out,” Ms. Macintosh said in a statement. “But elsewhere in the world they show regional variability in trends. Sometimes mobility increases, sometimes it declines, depending on culture and environmental context.” “After the transition to farming, cultural change was prolonged and its pace was rapid, she added. “My research in central Europe explores whether – and how – this long term pressure continued to drive adaptation in bones.” Ms. Macintosh tracked the changes in bone structure over time by laser scanning skeletons found in cemeteries in central Europe. The oldest dated from 5,300 BC and the most recent from 850 AD. “I’m interested in how the skeleton adapted to people's specific behaviors during life, and how this adaptation can be used to reconstruct long-term changes in behavior and mobility patterns with cultural diversification, technological innovation, and increasingly more complex and stratified societies since the advent of farming,” she said. In central Europe, the technology and increased specialization had a major impact on leg strength. “As more and more people began doing a wider variety of crafts and behaviors, fewer people needed to be highly mobile, and with technological innovation, physically strenuous tasks were likely made easier,” said Ms. Macintosh. “The overall result is a reduction in mobility of the population as a whole, accompanied by a reduction in the strength of the lower limb bones." Her findings were presented earlier this month at the Annual Meeting of the American Association of Physical Anthropologists in Calgary, Canada. Robotic needle designed to suck out brain blood clots By
the A.M. Costa Rica wire services
U.S. researchers are developing a new type of robotic needle designed to remove blood clots in the brain. It hasn't yet been used in the operating room. But in simulated surgery, it's been able to remove 90 percent of the blood clots. The device could potentially save many lives. Researchers at Vanderbilt University are using red and yellow gelatin molded to look like a brain. With the gelatin, they are testing a robot to see if it can suction out the red gelatin that represents a blood clot. The robot has a flexible needle that surgeons might use one day to remove real blood clots without damaging the surrounding brain tissue. Robert Webster is an engineering professor with a personal interest in the robot's success. "This was really compelling to me personally, because my father actually had one of these a couple of years ago, and at the time, there were no good treatments for him," he said of a blood clot. Webster's father survived, but 40 percent of those who have this common medical problem, do not. "Oftentimes based on the anatomy and the way the blood vessels are configured and these disease processes, the clots are oftentimes deep down in the brain," said Kyle Weaver, a neurosurgeon involved in this project. "And the thought is that surgery is actually going to do more damage than the blood clot is on its own." That's where the robot may help. It has a series of thin, flexible metal tubes controlled by a computer. Webster says surgeons will be able to scan a patient's brain and the computer will then map the best route to the clot. The tubes will navigate around delicate brain matter, not through it. The researchers are trying to design tools that could attach to the robot - such as a tiny grasper - that could break up a clot before suctioning it out. The robot has to go through trials and an approval process before it can be used in operating rooms. But the researchers hope that when it's ready, surgeons will be able to use it to save lives. Oklahoma execution fails to deliver death promptly By
the A.M. Costa Rica staff
A botched execution by lethal injection in Oklahoma left an inmate writhing on the gurney for more than 40 minutes before he eventually died from a heart attack. Oklahoma's Department of Corrections said inmate Clayton Lockett was issued the first of the state's new three-drug lethal injection combination Tuesday. Thirteen minutes later the convicted rapist and murderer began breathing heavily and clenching his teeth, causing the doctor on scene to halt the execution. Officials lowered the blinds to prevent those in the viewing gallery from watching what was happening in the death chamber. Officials said there was a vein failure during the execution. Oklahoma Gov. Mary Fallin has ordered a 14-day stay of execution for an inmate who was scheduled to die just two hours after Lockett. Oklahoma had set up a new cocktail of chemicals after some drug makers imposed sales bans because they objected to the medications' use in lethal injections. |
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| San José, Costa Rica, Wednesday, April 30, 2014, Vol. 14, No. 84 | |||||||||
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Search for life
in deep space said to be seriously flawed By
the University of Toronto news staff
A new study from the University of Toronto Scarborough suggests the search for life on planets outside the solar system may be more difficult than previously thought. The study, authored by a team of international researchers led by Hanno Rein from the Department of Physical and Environmental Science, finds the method used to detect biosignatures on such planets, known as exoplanets, can produce a false positive result. The presence of multiple chemicals such as methane and oxygen in an exoplanet’s atmosphere is considered an example of a biosignature, or evidence of past or present life. Rein’s team discovered that a lifeless planet with a lifeless moon can mimic the same results as a planet with a biosignature. “You wouldn’t be able to distinguish between them because they are so far away that you would see both in one spectrum,” says Rein. The resolution needed to properly identify a genuine biosignature from a false positive would be impossible to obtain even with telescopes available in the foreseeable future, says Rein. “A telescope would need to be unrealistically large, something one hundred meters in size and it would have to be built in space,” he says. “This telescope does not exist, and there are no plans to build one any time soon.” Current methods can estimate the size and temperature of an exoplanet planet in order to determine whether liquid water could exist on the planet’s surface, believed to be one of the criteria for a planet hosting the right conditions for life. While many researchers use modeling to imagine the atmosphere of these planets, they still aren’t able to make conclusive observations, says Rein. “We can’t get an idea of what the atmosphere is actually like, not with the methods we have at our disposal.” There are 1,774 confirmed exoplanets known to exist, but there could be more than 100 billion planets in the Milky Way Galaxy alone. Despite the results, Rein is optimistic the search for life on planets outside the solar system is possible if done the right way. Moderate quake in Pacific By
the A.M. Costa Rica staff
An earthquake with a magnitude of 4.9 took place today in the Pacific close to the Middle America Trench where the Cocos tectonic plate is forcing its way under the lighter Caribbean plate. This is an area of continual activity. The epicenter was estimated to be about 98 kilometers (about 61 miles south of Pavon de Golfito. The time was 3:52 a.m., said the Laboratorio de Ingenieria Sismica at the Universidad de Costa Rica. |
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