Author: Admin

Monday, November 21, 2005

Possible under reporting of bird flu infections in China and other Southeast Asian countries may be promoting an illusory sense that human infections are very limited. Common press reports only describe fewer than 130 people as infected with H5N1 avian flu and that fewer than 70 have died worldwide. Yet, there are enormous problems getting accurate data, especially in a country like China with a population of more than a billion.

“Reporting a suspected bird flu infection in bird or humans is a very unlikely event,” said Dr. Shoshana Zimmerman of the eHealth Institute. She is also a founder of www.birdflubeacon.com, a site dedicated to bird flu issues. “There are very few incentives to report, and lots of reasons to refrain from reporting. From the viewpoint of local rural small farmers, there is little to be gained and much to be lost by reporting an infection. The worse threat is that their flocks could be killed, leaving them destitute.”

There are many factors which mitigate against reporting bird or human infections of bird flu.

• The deaths of chickens, ducks, and birds are common events for farmer. Even when a large number die at one time they may see no purpose in reporting the deaths.

• When a human dies in locations with little or no medical services, the rural farmer’s priority for discerning the cause of death may be low.

• In rural areas most people are not taken to hospitals when they are sick.

• Bird flu symptoms are not widely known. If the symptoms are not known, they will not be recognized and reports of possible bird or human infections can not be made.

• The expenses required for detection are those of proper collection and shipment of samples to one of approximately 200 laboratories worldwide, as well as the testing procedure that requires a two week period of waiting before results are obtained.

• The lack of incentive for countries to report large scale outbreaks as it may lead to widespread panic and economic loss, as occurred with SARS. These factors can be seen at work in the way that the first bird flu death was reported in China,” Dr. Zimmerman stated.

A young woman, Zhou Maoya, died after returning home to the village of Yantan in Annui province to prepare for her wedding. Her family has stated that they did not take her to the hospital because they thought it would not do any good. Officials also note rural Chinese also often cite relatively expensive medical costs as a reason for not seeking treatment when sick.

Although initially authorities attributed her death to pneumonia the resulting political pressure prompted China to invite the World Health Organization to send experts to investigate. The authorities then rescinded the previous position and attributed her death to bird flu based on the similarity of the symptoms that she was reported to exhibit with those of bird flu. The village was quarantined and journalists were denied access. It is not known how many others might be infected in the village. Official announcements were made of plans to vaccinate and cull birds.

A local government official, Fan Qian, told AFP that it was believed Zhou was infected while she was outside of the province.

Fan Tan, a local official, told AFP news that 1,000 birds in Yantan had been culled (killed). Plans were announced to vaccinate 2 million poultry in the area, a huge and difficult task.

Zhang, another official, said authorities had met with all villagers to give them flu vaccinations and to tell them how to protect themselves against the bird flu virus, including not consuming poultry products. It is known that flu vaccinations do not protect against bird flu.

Villagers and local officials minimized the threat. In outlying areas of Yantan, residents said that they did not know of any new outbreaks. Other possible infections have been attributed to similar common causes but there have not been any tests performed validating those attributions.

Fan Litan, a peasant woman from Fantu village, about 2 miles from Yantan, lost many of her ducks, and chickens and also a dog; she has attributed these deaths to the acts of hooligans. She said her family had been extremely frightened when her animals suddenly died. “We were scared to death,” said Fan, standing next to a red sign posted on the outside wall of her home that said: “Prevention and control by the masses is basic for people.” Fan said ducks and chickens are all healthy but she admitted that she had stopped eating poultry. No testing of these birds has been reported yet.

According to a recent AFP report from Liuchang, 59 miles south of Yantan, the obstacles to identifying infections are enormous.

Like many, one Liuchang villager named Wang Hemin said he was concerned and would keep a closer eye on his ducks and chickens, but felt no immediacy since the infection was not in his province. He learned about bird flu on TV, and is aware that officials have come to his village of 2,700 people to warn residents about the virus. They offered guidelines: they told people that poultry which die suddenly could have contracted bird flu and should not be eaten or sold and that such an incident should also immediately be reported. However, the symptoms of H5N1 bird flu were not directly described.

Residents have not yet been fully informed of what symptoms to look for in ill poultry–they are fever, diarrhea, teary eyes and swelling in the legs of the birds. Though a pledge was made earlier in the week to vaccinate 2 million birds immediately, no bird vaccinations in this area have been reported yet.

In another nearby village, Nazahuang, chickens scuttle in and out of houses. One resident, Fan Jiexu, 73, said no officials had yet warned her village to take precautions. Throughout rural areas, it is customary for chickens to scuttle in and out of homes. Ducks and bird often die and are eaten by villagers when it is believed safe to do so.

China has reported 17 avian flu outbreaks as of this week. Despite the Chinese government issued high alerts, critical information is not being adequately communicated to some rural villages. The size of the poultry population, the common and normal occurrence of poultry death on farms, and status of roughly 70% of the poultry population as being kept in backyards are factors complicating infection control.

The head of World Health Organization’s China office, Henk Bekedam, is aware that slow reaction to bird flu threats and difficulty monitoring poultry in the world’s most populous country makes control of its spread challenging.

Testing is required to confirm H5N1 virus, and positive test results lead to the killing of nearby flocks. The incentive for many villagers, officials, and governments to minimize reports of H5N1 virus infections and severe medical and economic complications for making confirmations of infection are obstacles opposing complete and full reporting of the spread and infection rates of the virus.

Monday, March 12, 2007

A CSX freight train traveling from Buffalo to Selkirk derailed in Oneida, New York.

No injuries have yet been reported as a result of the accident. It is not yet known what caused the accident; CSX and NTSB officials are investigating.

Twenty six of the train’s 79 cars derailed around 7:00 a.m. local time; the derailment led to the explosion of at least one tank car carrying propane. Two other cars are known to contain hazardous materials. As many as seven cars have been reported as burning.

As a precaution, 23 miles (37 kilometers) of the adjacent Thruway have been closed between Syracuse and Verona. Authorities have ordered a complete evacuation for a one-mile radius around the derailment site, including a jail and two elementary schools. Amtrak’s Empire Service between Albany and Syracuse is suspended and Lake Shore Limited between Syracuse and Chicago is also affected; passengers on these routes are being bused around the affected area.

At the time of the accident the train had a two-man crew and was traversing a section of track that has a 60 mile per hour (MPH) speed limit. The train crew were not injured; it is not yet known what speed the train was traveling when the accident occurred.

Wednesday, November 9, 2005

The Dover, Pennsylvania school board became the first to mandate inclusion of Intelligent Design in a public school biology curriculum. For this year’s November 8 election, Republicans fielded a pro-Intelligent Design slate of candidates including some returning candidates who had previously voted to include a statement about Intelligent Design in the biology curriculum. A mixed slate of Democrat and Republican candidates came forward as an alternative group of school board candidates, the Dover CARES coalition. They proposed to remove Intelligent Design from the biology curriculum but allow discussion of Intelligent Design in courses dealing with philosophy and comparative religion.

All eight open school board seats were won by Dover CARES coalition candidates. Two candidates who had previously voted as school board members to include intelligent design in the public school science curriculum received the fewest votes in Tuesday’s election. One of the newly elected board members is Bryan Rehm, a parent of a Dover school student. Rehm, along with ten other parents, initiated a law suit against the school board for its decision to insert Intelligent Design into the science curriculum.

In October 2004, the Dover school board decided that Intelligent Design is a scientific theory that should be mentioned in biology classes that include discussion of biological evolution as part of the course content. The board mandated that a statement should be read in those classes stating “Intelligent Design is an explanation of the origin of life,” and “The school leaves the discussion of the Origins of Life to individual students and their families.”

The school board’s statement on Intelligent Design directs students to the book Of Pandas and People as a source of information “for students who might be interested in gaining an understanding of what Intelligent Design actually involves.” This book is published by the Foundation for Thought and Ethics, a non-profit organization founded for the purpose of “promoting and publishing textbooks presenting a Christian perspective.”

Parents of some Dover public school students filed a lawsuit against the school board, charging that including the school board’s statement on Intelligent Design was an attempt to introduce religion into the science curriculum. The book Of Pandas and People says, “Intelligent design means that various forms of life began abruptly through an intelligent agency.” The original complaint in the law suit against the school board claimed that “Intelligent design is a non-scientific argument or assertion.”

The US District Court Judge John Jones, who heard the non-jury case, hopes to make his ruling by the end of the year. The evidence phase of the trial ended on November 4, 2005.

A local Dover newspaper, the York Daily Record, editorialized that Dover voters should take trial testimony into account during the general election when they could cast votes for school board members along with other elective offices.

Biology teachers in the Dover schools have refused to read the school board’s statement on Intelligent Design to students because the Pennsylvania state code for education states that “The professional educator may not knowingly and intentionally misrepresent subject matter.” In a letter to their administrator, the teachers stated their view that “Intelligent design is not science.” School administrators have been reading the school board’s Intelligent Design statement to students in Dover public schools.

Wednesday, June 21, 2006

London — A few hundred England fans weren’t watching the 2006 FIFA World Cup match against Sweden last night in a pub or at home, but instead had ventured out to their local cinema to see the game on the big screen. A number of Odeon cinemas nationwide have been using digital projection technology to screen the matches live with a high definition (HD) picture. HD broadcasts contain a greater level of detail than traditional TV broadcasts, meaning a sharper picture and better sound quality.

In the darkened auditorium of the cinema in Covent Garden, the audience (or should that be crowd?) were behaving almost as if they were at the stadium, singing along to the national anthem, cheering at the England goals and groaning at the Sweden chances. At times, chants being sung by the England crowd at the match were even picked up and sung along to by those watching the cinema screen like some kind of football karaoke contest.

Trailers before the match were replaced by a soundtrack of England anthems, both the successful and not-so-successful ones, and the traditional movie treat of popcorn was replaced by trays of beer (in plastic cups) being brought in by the punters. The cinema had cheekily listed the screening as being ‘directed by Sven-Göran Eriksson’ and as ‘starring Wayne Rooney (hopefully)’.

Despite a disappointing 2-2 draw, the audience seemed impressed with the experience. “I’m a bit short and so wanted to make sure I had good view without having to jostle around for position,” Amanda, from London, explained to me. “I also liked that it was non-smoking, and there was a fabulous atmosphere”. Sian, Caio and Laura, who lived locally, said they wanted to see the match on the big screen and commented on the excellent picture quality.

Other events that have been broadcast by the cinema chain include concerts by Robbie Williams and Elton John. Odeon Marketing Director Luke Vetere said “offering films is just one part of the cinema experience – our ambition is to offer guests the chance to watch other events they feel passionate about”. Watching football in the cinema is not a brand new event though, during previous World Cups such as in 1966, film footage from the matches was broadcast in cinemas after the event, providing a way for people to see the games in colour when TV broadcasts were in black and white.

Cinema screenings aren’t the only way that fans can watch the World Cup games in high-definition this year though, as both Sky TV and Telewest have been broadcasting the games in HD to viewers with a special set-top box. There have been trials with HD on the growing Freeview platform too, with a pilot group of a few hundred viewers in London. However, as any move to roll out HD on Freeview would use up extra space on the broadcast spectrum and would require viewers to buy a new set-top box, it seems unlikely that this will happen any time soon.

Sunday, February 27, 2005Nine people were rescued by helicopter from the roof of a blazing skyscraper in Taiwan on Saturday.

The people were dining in the rooftop restaurant when a fire broke out lower in the 25 story Golden Plaza Tower. The fire is said to have started in a disco on the 18th floor at about 4pm local time.

Four people died in the fire, including two employees of the tower. The body of a security officer was found on the 18th floor with another body found nearby. Two more were found in an elevator. Two or three people suffered minor injuries after inhaling smoke.

The building in Taichung, Taiwan’s third largest city, houses offices, shops and schools.

Those fleeing the building at ground level had to cover their heads to protect themselves from falling glass and other debris. Fire fighters extinguished the blaze after an hour and a half.

Thursday, June 23, 2011

NASA’s Cassini–Huygens spacecraft has discovered evidence for a large-scale saltwater reservoir beneath the icy crust of Saturn’s moon Enceladus. The data came from the spacecraft’s direct analysis of salt-rich ice grains close to the jets ejected from the moon. The study has been published in this week’s edition of the journal Nature.

Data from Cassini’s cosmic dust analyzer show the grains expelled from fissures, known as tiger stripes, are relatively small and usually low in salt far away from the moon. Closer to the moon’s surface, Cassini found that relatively large grains rich with sodium and potassium dominate the plumes. The salt-rich particles have an “ocean-like” composition and indicate that most, if not all, of the expelled ice and water vapor comes from the evaporation of liquid salt-water. When water freezes, the salt is squeezed out, leaving pure water ice behind.

Cassini’s ultraviolet imaging spectrograph also recently obtained complementary results that support the presence of a subsurface ocean. A team of Cassini researchers led by Candice Hansen of the Planetary Science Institute in Tucson, Arizona, measured gas shooting out of distinct jets originating in the moon’s south polar region at five to eight times the speed of sound, several times faster than previously measured. These observations of distinct jets, from a 2010 flyby, are consistent with results showing a difference in composition of ice grains close to the moon’s surface and those that made it out to the E ring, the outermost ring that gets its material primarily from Enceladean jets. If the plumes emanated from ice, they should have very little salt in them.

“There currently is no plausible way to produce a steady outflow of salt-rich grains from solid ice across all the tiger stripes other than salt water under Enceladus’s icy surface,” said Frank Postberg, a Cassini team scientist at the University of Heidelberg in Germany.

The data suggests a layer of water between the moon’s rocky core and its icy mantle, possibly as deep as about 50 miles (80 kilometers) beneath the surface. As this water washes against the rocks, it dissolves salt compounds and rises through fractures in the overlying ice to form reserves nearer the surface. If the outermost layer cracks open, the decrease in pressure from these reserves to space causes a plume to shoot out. Roughly 400 pounds (200 kilograms) of water vapor is lost every second in the plumes, with smaller amounts being lost as ice grains. The team calculates the water reserves must have large evaporating surfaces, or they would freeze easily and stop the plumes.

“We imagine that between the ice and the ice core there is an ocean of depth and this is somehow connected to the surface reservoir,” added Postberg.

The Cassini mission discovered Enceladus’ water-vapor and ice jets in 2005. In 2009, scientists working with the cosmic dust analyzer examined some sodium salts found in ice grains of Saturn’s E ring but the link to subsurface salt water was not definitive. The new paper analyzes three Enceladus flybys in 2008 and 2009 with the same instrument, focusing on the composition of freshly ejected plume grains. In 2008, Cassini discovered a high “density of volatile gases, water vapor, carbon dioxide and carbon monoxide, as well as organic materials, some 20 times denser than expected” in geysers erupting from the moon. The icy particles hit the detector target at speeds between 15,000 and 39,000 MPH (23,000 and 63,000 KPH), vaporizing instantly. Electrical fields inside the cosmic dust analyzer separated the various constituents of the impact cloud.

“Enceladus has got warmth, water and organic chemicals, some of the essential building blocks needed for life,” said Dennis Matson in 2008, Cassini project scientist at NASA’s Jet Propulsion Laboratory in Pasadena, California.

“This finding is a crucial new piece of evidence showing that environmental conditions favorable to the emergence of life can be sustained on icy bodies orbiting gas giant planets,” said Nicolas Altobelli, the European Space Agency’s project scientist for Cassini.

“If there is water in such an unexpected place, it leaves possibility for the rest of the universe,” said Postberg.