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Wednesday, August 11, 2010

A gold mine collapse in Copiapó, Atacama Region, Chile has trapped 33 miners since last Thursday. Another collapse occurred on Saturday, that provoked temporary suspension of the rescue works.

Rescue efforts were first focused on a ventilation shaft, but attempts to reach the miners failed. Rescuers have been drilling into the mine since Sunday. “The situation is very complex, the mine continues to have collapses because there is a geological fault-line,” said Sebastián Piñera, President of Chile, who “pledged to do everything possible to get to the trapped miners,” but acknowledged he was pessimistic.

There is no certainty that the miners, who are trapped about 400 meters (1300 feet) below the ground, are still alive.

Sunday, February 13, 2005

New York –”Buy cheap Viagra through us – no prescription required!” Anyone with an active email account will recognize lines like this one. According to some reports, unsolicited advertisements (spam) for Viagra and similar drugs account for one in four spam messages.

Ever since pharmaceutical giant Pfizer promised to cure erectile dysfunction once and for all with its blue pills containing the drug sildenafil citrate, spammers have tried to tap into male anxiety by offering prescription-free sales of unapproved “generic” Viagra and clones such as Cialis soft tabs. Legislation like the U.S. CAN-SPAM act has done little to stem the tide of email advertising the products.

Now Pfizer has entered a pledge with Microsoft Corporation, the world’s largest software company, to address the problem. The joint effort will focus on lawsuits against spammers as well as the companies they advertise. “Pfizer is joining with Microsoft on these actions as part of our shared pledge to reduce the sale of these products and to fight the senders of unsolicited e-mail that overwhelms people’s inboxes,” said Jeff Kindler, executive vice president at Pfizer.

Microsoft has filed civil actions against spammers advertising the websites CanadianPharmacy and E-Pharmacy Direct. Pfizer has filed lawsuits against the two companies, and has taken actions against websites which use the word “Viagra” in their domain names. Sales of controlled drugs from Canadian pharmacies to the United States are illegal, but most drugs sold in Canada have nevertheless undergone testing by the U.S. Food and Drug Administration. This is not the case for many of the Viagra clones sold by Internet companies and manufactured in countries like China and India. While it was not clear that CanadianPharmacy was actually shipping drugs from Canada, Pfizer’s general counsel, Beth Levine, claimed that the company filled orders using a call center in Montreal, reported the Toronto Star.

For Microsoft’s part, they allege that the joint effort with Pfizer is part of their “multi-pronged attack on the barrage of spam.” As the creator of the popular email program Outlook, Microsoft has been criticized in the past for the product’s spam filtering process. Recently, Microsoft added anti-spam measures to its popular Exchange server. Exchange 2003 now includes support for accessing so-called real-time block lists, or RTBLs. An RTBL is a list of the IP addresses maintained by a third party; the addresses on the list are those of mailservers thought to have sent spam recently. Exchange 2003 can query the list for each message it receives.

Friday, March 25, 2011

The death toll from the Sendai earthquake has now increased to over ten thousand. In Japan, the National Police Agency has stated that 10,019 are now known to have been killed as a result of the disaster.

The Agency also reported that 2,775 had been injured and the location of 17,541 individuals was unknown. Meanwhile, 1,900 evacuation sites are now thought to be occupied by approximately a quarter of a million people.

When the event happened two weeks ago, 18,000 thousand households were destroyed and 130,000 were damaged by the earthquake and the subsequent tsunami. In spite of this, twelve of the fifteen north-eastern ports of Japan have recommenced operating, while the majority of the oil terminals of the country remained open, according to Inchcape Shipping Services.

Amongst the aftermath of the earthquake, plant number 3 at the Fukushima I Nuclear Power Plant is suspected to have been damaged and may be releasing radiation. The Japanese government have reported that an ongoing investigation is occurring to attempt to discover the cause of the radiation leak at the power plant. Chinese authorities have reported two Japanese tourists were found to have levels of radiation “seriously exceeding limits” on their clothing and luggage. In Tokyo, the amount of radiation in the supply of water has decreased, however it remains high in various parts of the north of Japan.

According to BBC News Online, two workers were hospitalised because of the leak. The Tokyo Electric Power Company (TEPCO), who operate the building, reported that three employees placing electrical cables at the location were given treatment for being exposed to radioactive water; they had experienced ten thousand times the regular amount of radioactivity. Of those three men, beta rays caused two of them to receive burns. The two individuals did not stop working despite meters advising of unsafe radiation levels. It was later discovered that they were wearing inadequate protective footwear and failed to draw their attention to a radiation alert. TEPCO has since received government orders to improve worker management.

The radiation emitted from the plant has had a significant effect on the Japanese food industry. In the surrounding areas of the plant, shipments of foodstuffs have been prohibited. In Fukushima prefecture, residents have been advised not to consume eleven leafy green vegetable types produced locally due to radiation concerns. There has also been a significant decrease in customer demand at a fish market in Tsukiji.

Japanese product importers have discovered some foodstuffs to have a small radiation amount, which is not thought to be potentially deadly. Numerous Asian countries, the European Union, Australia, Russia and the United States have prohibited milk items, seafood and vegetables from being imported from various Japanese prefectures.

Closing the power plant down may take at least one month to achieve. Speaking to AFP, an individual talking on behalf of TEPCO stated that the company is “still in the process of assessing the damage at the plant, so that we can’t put a deadline on when the cooling operations will work again”. Residents living within thirty kilometres of the plant have been advised to avoid going outdoors to attempt to prevent radiation exposure as far as possible.

Wednesday, September 6, 2006

The American Academy of Pediatrics (AAP), in the September 2006 issue of its journal Pediatrics, supports the use of dairy by lactose intolerant children.

Dr. Melvin B. Heyman, author of the article, says that just because a child is lactose intolerant, does not mean that they should avoid dairy altogether. Many lactose intolerant people can consume small amounts of dairy.

Heyman says that dairy consumption is important, especially for children, because of its high calcium content. The calcium is, in turn, important for stengthening growing bones. “If dairy products are eliminated,” the article says, “other dietary sources of calcium or calcium supplements need to be provided.”

Lactose intolerance is a condition, present in the majority of human population above the age of infancy, due to which the body cannot tolerate lactose, a sugar present in milk and other dairy products. Lactose intolerance causes a range of unpleasant abdominal symptoms, including stomach cramps, bloating, flatulence and diarrhea.

As lactose intolerance is inherent, its prevalence varies by ethnic group. For example, while only 12% of American Caucasians have it, its prevalence is 75% among African Americans, 93% among Chinese, 60%-80% among Ashkenazi Jews,and 100% among American Indians. Many people do not realize that they have this condition simply because they have eaten dairy all their lives and view the symptoms of lactose intolerance as “normal”.

Physicians Committee for Responsible Medicine (PCRM) has long stated that the risks of consuming dairy far outweigh the benefits. According to PRCM’s fact sheet, called “Parents’ Guide to Building Better Bones”, there are many healthy ways of getting enough calcium and promoting bone health. Many foods contain calcium, not just dairy. Also, it is important to consider the amount of calcium absorbed, not just the amount of calcium present in a food. For example, more than three times as much calcium is absorbed from one serving of Total Plus cereal as from one serving of 2% milk.

PCRM promotes a strictly vegetarian diet. Despite its name, it claims only 5 percent of its members as physicians. PCRM has also been accused of having links with animal rights “extremists”, in particular Jerry Vlasak, a former PCRM spokesman who called for the murder of scientists who use animals in research.

The report in News-Medical.Net says that Ann Marie Krautheim, with the National Dairy Council, a dairy lobbying group, says

she hopes the report will educate parents on how to continue to include dairy in the diets of children sensitive to lactose and also help improve their nutrient intake. Krautheim says calcium-fortified beverages and other foods which seek to provide an alternative source of calcium, do not provide an equivalent nutrient package to dairy foods such as milk, cheese and yogurt.

This last statement, however, that dairy products are superior to calcium-fortified foods, is not supported by the article in Pediatrics.