Thursday, February 24, 2005

A paste containing synthetic tooth enamel can seal small cavities without drilling. Kazue Yamagishi and colleagues at the FAP Dental Institute in Tokyo say that the paste can repair small cavities in 15 minutes.

Currently, fillers don’t stick to such small cavities so dentists must drill bigger holes. Hydroxyapatite crystals, of which natural enamel is made, bond with teeth to repair tiny areas of damage.

Yamagishi and colleagues have tested their paste on a lower premolar tooth that showed early signs of decay. They found that the synthetic enamel merged with the natural enamel. The synthetic enamel also appears to make teeth stronger which will improve resistance to future decay. As with drilling, however, there is still the potential for pain: The paste is strongly acidic to encourage crystal growth and causes inflammation if it touches the gums.

The paste is reported in the journal Nature.

Thursday, November 5, 2009

The United States Army has confirmed that thirteen people have been killed after a shooting rampage at the Fort Hood army base in Texas. An additional thirty are reported wounded, and the gunman is in stable condition after being shot by military police. Two other soldiers are in detention.

The incident took place at a deployment readiness center. According to local congressman John Carter, shooting broke out shortly before a graduation ceremony.

The gunman has been identified as an army officer, Major Malik Nadal Hasan. He is a mental health professional, presumably either a psychologist or psychiatrist, according to an unnamed defense official. Two other suspects were in custody, the base commander, Lieutenant-General Bob Cone, said.”Our investigation is ongoing, but preliminary reports indicate that there was a single shooter,” Cone said at a news conference. “The shooter is not dead, but in custody in stable condition.”

Initial reports said that the gunman had been shot to death by military police; however, General Cone now says that the man is in custody and is in the hospital with injuries, but is in stable condition. FOX40 News in Sacramento managed to record a military spokesperson commenting on why the media wasn’t informed about the status of the gunman until four hours after the initial announcement was made that he had been fatally shot. That military spokesman replied, “the doctors didn’t know who they were working on.”

When asked at the conference whether Hasan’s attack might have been a terrorist act, General Cone replied that “I couldn’t rule that out, but I’m telling you that right now the evidence does not suggest that.”

It is not currently clear if those killed and wounded are civilian or military. The gunman is reported to have been in uniform and using handguns. Eyewitnesses claim at least one man was armed with a high-power sniper rifle. The chief of media at the base, Christopher Hogue, said to reporters that “the only one we know who was shooting was killed and he had two handguns.”

There may have been other people involved in the shooting, however. “We […] have apprehended two additional soldiers that are suspects. There were eyewitness accounts that there may have been more than one shooter,” General Cone said.

The Killeen Independent School District said that all schools in the area were placed on lockdown. The base was closed down following the incident as well. “Effective immediately Fort Hood is closed,” a statement on the Fort Hood website read. “This is not a Drill. It is an Emergency Situation.” The website appears to have gone down shortly after the announcement.

A serviceman at the base described his experiences to the BBC. “I heard the emergency announcement over the speakers outside and saw people rushing to get indoors. In our office we’re okay but we’re hearing about the deaths. […] We are still on lockdown. I am hearing that at least nine people may be dead.”

Greg Schannep, a retired colonel, was heading to the 2 P.M. graduation ceremony when he heard gunshots and saw an injured soldier run past him. “Initially, I thought it was a training exercise,” he recounted, as quoted by the New York Daily News. “A soldier came running past me and said ‘sir, there is someone shooting.’ As he ran past me I saw blood on his back. I don’t think he even knew he had been shot.”

“It’s chaotic,” said the director of a local coffee shop near the base, as quoted by the Associated Press. “They’re just saying that they’re under attack they don’t know what’s going on. […] The phones are jammed. Everybody is calling family members and friends. Soldiers are running around with M-16s.”

The authorities are still gathering information about the shooting, according to Homeland Security spokeswoman Sara Kuban. “DoD [Department of Defense], DHS [Department of Homeland Security], FBI and other members of the intelligence community are assessing and gathering facts about the shooting. Because this is early in this event, we cannot at this time confirm motives behind these shootings,” she said.

The Scott & White Memorial Hospital in the town of Temple received ten of the injured victims from the attack. Its website has posted an appeal for blood donations. “Due to the recent events on Fort Hood, we are in URGENT need of ALL blood types,” it said. The hospital received 200 blood donations since 2:45 P.M. local time.

The hospital was soon closed to visitors after the wounded people were received. “[We are] no longer open to visitors as we focus our attention upon the victims and their families,” a statement on the website said. The associate system chief medical officer said that they did not have specific information on their conditions. “We get patients like this, but not usually all at once,” said director Glen Couchman.

Another health facility, the Metroplex Adventist Hospital, received seven other victims. The hospital stated that one of them was soon pronounced dead, and two others, including an EMS paramedic, are in surgery.

Fort Hood is situated in the town of Killeen. It is the largest military base in the world, houses around 40,000 US troops, and is about 100 kilometres (60 miles) north of Austin. It has been compared to a small town, with its own schools, convenience stores, and even two museums.

This is not the first time Killen has witnessed a shooting spree. The town was the site of the worst shooting spree in American history until the Virginia Tech massacre, when on October 16, 1991, George Jo Hennard drove his truck through the front window of Luby’s Cafeteria and proceeded to shoot and kill 23 people and wound another 20, before commiting suicide in what is know as the Luby’s massacre. It should be noted Major Hasan is an alumnus of Virginia Tech.

Hasan’s motives for the shooting spree were not immediately clear, however, Texas Senator Kay Bailey Hutchison told the FOX news agency that “I do know that he has been known to have told people that he was upset about going [to Iraq].”

A cousin of the gunman, Nader Hasan, told FOX that his cousin had been ordered to deploy to Iraq, but was unwilling to do so. “We’ve known over the last five years that was probably his worst nightmare,” he said.

According to Nader, Nidal is a US-born Muslim who had joined the military after finishing high school, and was a graduate of Virginia Tech, where he received a bachelor’s degree in biochemistry. He was also a member of the ROTC, and used to be a psychiatrist at the Walter Reed Army Medical Center in Washington, D.C.

“He was a psychiatrist at Walter Reed dealing with the people coming back and […] trying to help them with their trauma,” Nader said.

Retired colonel Terry Lee told FOX that “[Hasan] said maybe Muslims should stand up and fight against the aggressor. At first we thought he meant help the armed forces, but apparently that wasn’t the case. Other times he would make comments we shouldn’t be in the war in the first place.”

Security officials said that some Internet postings made half a year ago, discussing suicide bombings and other forms of violence, appeared to have been posted by Hasan, but this has not been officially confirmed.

Some army bases around the US increased security measures following the attacks. “The bottom line for us is that we are increasing security at our gates because the threat hasn’t yet been defined, and we’re reminding our Marines to be vigilant in their areas of responsibility,” said the public affairs officer for the Marine Corps Air Station in Yuma, Arizona, Captain Rob Dolan.

However, a spokesman for the Department of Defense said that the attack appeared to be an isolated incident. “This is an isolated and tragic case and we’re obviously in the process of obtaining more information as the events unfold,” said Lieutenant Colonel Eric Butterbaugh.

“We don’t have reason to believe that this is anything other than an isolated incident,” an army spokesman from Fort Lewis in the state of Washington, Joe Piek, commented. “We don’t normally discuss security operations at the post anyways, but I am sure this is something that our security law enforcement will be reviewing. As we are watching and listening, there is a lot we don’t know.”

President Barack Obama described the incident as “a horrific outburst of violence” in a press conference in Washington D.C., going on to say, “It is difficult enough when we lose these brave men and women abroad, but it is horrifying that they should come under fire at an army base on US soil. […] We will make sure that we get answers to every single question about this horrible incident. We are going to stay on this.”

Texas Senator Hutchison released a statement regarding the incident. “I am shocked and saddened by today’s outburst of violence at Fort Hood that has cost seven of our brave service members their lives and has gravely injured others. My heart goes out to their loved ones,” she said.

“Our dedicated military personnel have sacrificed so much in service to our country, and it sickens me that the men and women of Fort Hood have been subjected to this senseless, random violence. I know all Americans share this concern for the soldiers and their families who are affected by this tragedy,” the statement continued.

Robert Gates, the Defense Secretary, expressed his sympathy to those affected by the attack. “I can pledge that the Department of Defense will do everything in its power to help the Fort Hood community get through these difficult times,” he said in a statement.

Vice President Joe Biden also offered his condolences. “We are all praying for those who were wounded and hoping for their full and speedy recovery. Our thoughts and prayers are also with the entire Fort Hood community as they deal with this senseless tragedy,” he remarked.

“I was saddened to learn of the tragic incident at Fort Hood. Laura and I are keeping the victims and their families in our thoughts and prayers during this difficult time,” wrote former president George W. Bush in a statement from his office in Dallas.

The state’s governor, Rick Perry, ordered all flags in Texas to be flown at half-staff until Sunday. “[I am] keeping those affected by today’s incidents in our thoughts and prayers,” he said.

The junior senator from Texas, John Cornyn, also issued a statement. “My heart goes out to the victims of the tragedy that occurred today at Fort Hood, as well as their families. Fort Hood is one of our nation’s finest and largest military installations, and a place that has long been a source of pride for Texans, and for all Americans who value the selfless service and sacrifice of our men and women in uniform,” the statement read.

“It is imperative that we take the time to gather all the facts, as it would be irresponsible to be the source of rumors or inaccurate information regarding such a horrific event. Once we have ascertained all the facts, working with our military leaders and law enforcement officials on the ground, we can determine what exactly happened at Fort Hood today and how to prevent something like this from ever happening again.”

Wednesday, April 25, 2012

A recent study by the United States Geological Survey (USGS) shows that the oil and gas industry are creating earthquakes. New information from the Midwest region of the United States points out that these man-made earthquakes are happening more frequently than expected. While more frequent earthquakes are less of a problem for regions like the Midwest, a geology professor from the University of Southern Indiana, Dr. Paul K. Doss, believes the disposal of wastewater from the hydraulic fracturing (or “fracking”) process used in extracting oil and gas has the possibility to pose potential problems for groundwater.

“We are taking this fluid that has a whole host of chemicals in it that are useful for fracking and putting it back into the Earth,” Doss said. “From a purely seismic perspective these are not big earthquakes that are going to cause damage or initiate, as far as we know, any larger kinds of earthquakes activity for Midwest. [The issue] is a water quality issue in terms of the ground water resources that we use.”

Hydraulic fracturing, or fracking, is a technique used by the oil and gas industries which inject highly pressurized water down into the Earth’s crust to break rock and extract natural gas. Most of the fluids used for fracking are proprietary, so information about what chemicals are used in the various fluids are unknown to the public and to create a competitive edge.

Last Monday four researchers from the University of New Brunswick released an editorial that sheds light on the potential risks that the current wastewater disposal system could have on the province’s water resources. The researchers share the concern that Dr. Doss has and have come out to say that they believe fracking should be stopped in the province until there is an environ­mentally safe way to dispose the waste wastewater.

“If groundwater becomes contamin­ated, it takes years to decades to try to clean up an aquifer system,” University of New Brunswick professor Tom Al said.

While the USGS group which conducted the study says it is unclear how the earthquake rates may be related to oil and gas production, they’ve made the correlation between the disposal of wastewater used in fracking and the recent upsurge in earthquakes. Because of the recent information surfacing that shows this connection between the disposal process and earthquakes, individual states in the United States are now passing laws regarding disposal wells.

“The problem is that we have never, as a human society, engineered a hole to go four miles down in the Earth’s crust that we have complete confidence that it won’t leak,” Doss said. “A perfect case-in-point is the Gulf of Mexico oil spill in 2010, that oil was being drilled at 18,000 feet but leaked at the surface. And that’s the concern because there’s no assurance that some of these unknown chemical cocktails won’t escape before it gets down to where they are trying to get rid of them.”

It was said in the study released by the New Brunswick University professors that if fracking wastewater would contaminate groundwater, that current conventional water treatment would not be sufficient enough to remove the high concentration of chemicals used in fracking. The researchers did find that the wastewater could be recycled, can also be disposed of at proper sites or even pumped further underground into saline aquifers.

The New Brunswick professors have come to the conclusion that current fracking methods used by companies, which use the water, should be replaced with carbon diox­ide or liquefied propane gas.

“You eliminate all the water-related issues that we’re raising, and that peo­ple have raised in general across North America,” Al said.

In New Brunswick liquefied propane gas has been used successfully in fracking some wells, but according to water specialist with the province’s Natural Resources De­partment Annie Daigle, it may not be the go-to solution for New Brunswick due its geological makeup.

“It has been used successfully by Corridor Resources here in New Bruns­wick for lower volume hydraulic frac­turing operations, but it is still a fairly new technology,” Daigle said.

The United States Environmental Protection Agency (EPA) is working with U.S. states to come up with guidelines to manage seismic risks due to wastewater. Under the Safe Drinking Water Act, the EPA is the organization that also deals with the policies for wells.

Oil wells, which are under regulation, pump out salt water known as brine, and after brine is pumped out of the ground it’s disposed of by being pumped back into the ground. The difference between pumping brine and the high pressurized fracking fluid back in the ground is the volume that it is disposed of.

“Brine has never caused this kind of earthquake activity,” Doss said. “[The whole oil and gas industry] has developed around the removal of natural gas by fracking techniques and has outpaced regulatory development. The regulation is tied to the ‘the run-of-the-mill’ disposal of waste, in other words the rush to produce this gas has occurred before regulatory agencies have had the opportunity to respond.”

According to the USGS study, the increase in injecting wastewater into the ground may explain the sixfold increase of earthquakes in the central part of the United States from 2000 – 2011. USGS researchers also found that in decades prior to 2000 seismic events that happened in the midsection of the U.S. averaged 21 annually, in 2009 it spiked to 50 and in 2011 seismic events hit 134.

“The incredible volumes and intense disposal of fracking fluids in concentrated areas is what’s new,” Doss said. “There is not a body of regulation in place to manage the how these fluids are disposed of.”

The study by the USGS was presented at the annual meeting of the Seismological Society of America on April 18, 2012.

Friday, November 3, 2006

On November 13, Torontonians will be heading to the polls to vote for their ward’s councillor and for mayor. Among Toronto’s ridings is Don Valley West (Ward 26). Four candidates responded to Wikinews’ requests for an interview. This ward’s candidates include Muhammad Alam, Bahar Aminvaziri, Orhan Aybars, Michele Carroll-Smith, Mohamed Dhanani, Abdul Ingar, Geoff Kettel, Debbie Lechter, Natalie Maniates, John Masterson, John Parker, David Thomas, Csaba Vegh, and Fred Williams.

For more information on the election, read Toronto municipal election, 2006.

Monday, January 26, 2009

As the newly inaugurated Barack Obama administration continues to push for a US$825 billion stimulus package to aid the struggling United States economy, some Republican legislators say they will not vote for such a plan without the inclusion of more tax cuts and less “unnecessary” spending.

Arizona Senator John McCain, Obama’s general election opponent and a leading voice within the Republican Party, says he would not vote for the American Recovery and Reinvestment Plan as it currently stands. Appearing on Fox News Sunday yesterday, McCain echoed his campaign platform in saying, “We need to make tax cuts permanent, and we need to make a commitment that there’ll be no new taxes.”

McCain and other Republicans say they are unhappy with the bill introduced in the House of Representatives, which combines roughly $550 billion in domestic spending with $275 billion in tax cuts. McCain believes not enough Republican proposals have been integrated into the plan, which he fears will result in the plan becoming “just another spending project” rather than a job creator.

“Republicans have not been brought in, to the degree that we should be in, to these negotiations and discussions. So far, as far as I can tell, no Republican proposal has been incorporated,” McCain said. “We’re losing sight of what the stimulus is all about, and that is job creation.”

The Arizona senator is known for his bipartisan efforts in Washington, D.C., but he defined his role in the new Senate as the “loyal opposition”, which does not mean “that I or my party will be a rubber stamp” for Obama, he said.

In his first weekly address since being sworn in, President Obama explained the stimulus plan in further detail, calling it a plan to “immediately jumpstart job creation as well as long-term economic growth.” He outlined several of the bill’s priorities, including the creation or salvation of up to four million jobs, as well as sweeping investments in health care, education, energy and infrastructure.

Among these investments are a new electricity grid with more than 3,000 miles of transmission lines, the weatherization of 2.5 million homes, health insurance protection for more than 8 million Americans, a renovation of over 10,000 schools, a project to repair thousands of miles of roadways, and an expansion of broadband Internet access.

Obama also laid out the rationale behind the stimulus, saying that “unprecedented action” is necessary in order to prevent further economic distress. “Our economy could fall $1 trillion short of its full capacity, which translates into more than $12,000 in lost income for a family of four,” Obama said. “In short, if we do not act boldly and swiftly, a bad situation could become dramatically worse.”

The president addressed the skepticism surrounding the stimulus package, pledging to “root out waste, inefficiency, and unnecessary spending”, while holding the government accountable for its actions. “We won’t just throw money at our problems,” Obama said. “We’ll invest in what works.”

Still, Republicans such as House Minority Leader John Boehner are skeptical of the plan’s effectiveness in rebuilding the economy. “I think a lot of Republicans will vote no because it’s a lot of wasteful Washington spending”, he commented on Meet the Press, repeating McCain’s call for less federal spending and more tax cuts.

Examples of “wasteful” spending cited by Republicans include millions of coupons to aid in the digital television transition, $200 million for new sod on the National Mall, and $360 million to fight sexually transmitted diseases, which includes funding for contraceptives. House Republicans have claimed it will take 10 years before the economy feels the effect of a stimulus, and that the combined spending of the stimulus and the financial bailouts of last year will leave future generations with over $2 trillion of debt.

In response to the stimulus plan being pushed through Congress, Boehner and Republican Whip Eric Cantor presented Obama with an alternative stimulus plan on Friday, one that relies exclusively on income and business tax cuts. “Our plan offers fast-acting tax relief, not slow-moving and wasteful government spending,” Boehner said. The counterproposal includes an income tax reduction that would save families an estimated $3,200 a year.

Despite this opposition, the stimulus bill is expected to pass through Congress by mid-February, as the Republican minority does not have enough votes to stop its approval. Senate Minority Leader Mitch McConnell expressed a general support of the plan at a White House meeting with Obama and other congressional leaders. “I do think we’ll be able to meet the president’s deadline of getting the package to him by mid-February,” McConnell said. The bill is expected to go before Congress for a vote on Monday, February 2.

Obama’s top economic adviser Lawrence Summers defended the stimulus plan while on Meet the Press. He said the bill was intended to balance the long-term initiatives mentioned above with the tax cuts desired by Republicans. He also said Obama was committed to spending three quarters of the stimulus money within 18 months.

Sunday, January 10, 2010

Chinese officials have said that their country’s exports surged last December to edge out Germany as the world’s biggest exporter.

The official Xinhua news agency reported today that figures from the General Administration for Customs showed that exports jumped 17.7% in December from a year earlier. Over the whole of 2009 total Chinese exports reached US$1.2 trillion, above Germany’s forecast $1.17 trillion.

Huang Guohua, a statistics official with the customs administration, said the December exports rebound was an important turning point for China’s export sector. He commented that the jump was an indication that exporters have emerged from their downslide.

“We can say that China’s export enterprises have completely emerged from their all-time low in exports,” he said.

However, although China overtook Germany in exports, China’s total foreign trade — both exports and imports — fell 13.9% last year.

Friday, March 20, 2009

Following the Pilkhana massacre which occurred February 25 and 26 leaving 74 dead and the inferno at the Bashundhara City shopping mall complex March 13 leaving seven dead, Prime Minister Sheikh Hasina said security measures are being tightened countrywide across Bangladesh.

Fire drills will be enacted at all key-point installations (KPI). Fire fighting systems will be examined by the fire brigade and the public works department (PWD) to ensure functionality. Security measures will be enhanced supplementing areas under private security such as at the Bashundhara City Complex.

The Fire Service and Civil Defence Department requires modernization and needs new equipment to fight fires past the sixth floor of buildings. The Fire Brigade says it needs turntable ladders, snorkels, foam-tenders, lighting units, emergency tenders, fireproof uniforms, and rescue ropes for fire fighting and rescue operations. Transportation to fires is also an issue due to narrow roads, low electrical wires and congestion.

The Bangladesh National Building Code requires fire fighting equipment installed in buildings over seven floors. This code is to be monitored by authorities to ensure compliance with the new guidelines and to make sure buildings are being maintained.

The Bashundhara City Complex opened Monday for shoppers two days after Friday’s blaze. A probe is underway to determine the cause of the fire and to assess structural damage.

Loss of life was minimized as the blaze broke out on a Friday, the beginning of the weekend in Bangladesh, so offices in the upper floors were empty. The lower eight floors are used for shopping and the upper floors are all Bashundhara Group offices.

The mall is valued at Tk 7.0 billion (US$100 million). It is not known if the complex is covered by fire insurance.

It is estimated that it will take over two years to rebuild the area damaged by flames which were burned down to a skeleton. Bashundhara City’s technical advisor, Latifur Rahman, estimated damages at Tk 2.0 billion (US$29m).

Only one television cameraman has been allowed in to film the burnt area. None of the 2,500 shops, cinemas or cafes were burnt by the inferno. The seventh and eighth floors still experience smoke damage, and there was water damage to merchandise.

A three member committee is currently investigating the cause of the fire which will consist of Iqbal Khan Chowdhury, joint secretary of the ministry, representatives of the police, IGP Noor Muhammad, and fire brigade, Director General Abu Nayeem Md Shahidullah. The committee is required to report within the week with their findings. The forensics department is also sifting through the burnt remains.

The Dhaka Chamber of Commerce and Industries has also formed a committee which has begun interviewing witnesses and recording their testimony alongside the government committee.

It has been discovered that 150 closed circuit cameras were not being used when the fire started. Another mystery is why the mall fire fighting system has been found unused.

“In the shopping mall there is an ultra-technology elevator which runs even without electricity but we have found that locked,” Iqbal Khan Chowdhury, joint secretary (Police) of the home ministry, said. “Why the fire burnt so fiercely is a matter to think. We have to see if there was any incendiary substance there. These matters seem to be mysterious.”

Mall management has been asked to submit substances and items which would have been in the upper floors when the fire started. The fire erupted on the 17th floor and spread quickly to the two floors above and engulfed the three floors below. The aerial ladders belonging to the Fire Service and Civil Defence reached as high as the 13th floor of the 21-storey building.

Videos have been sent to the United States (US) for examination to assist in determining the cause of the fire and to help in the damage assessment. Experts from the US are expected to arrive soon.

Firefighters were brought to the rooftop of the 20-storey tower by helicopter. The only fatality in this operation was Baki Billa, a firefighter of Bashundhara City firefighting department, who fell when climbing down a rope from a helicopter to the roof of the building. Three other firefighters made the transition safely. At this same time, the chief security officer was safely rescued by the Bangladesh Air Force helicopter, a Bell 212. Six security officers of the complex also lost their lives.

Wednesday, December 5, 2007

Once you get a chance to talk to West Palm Beach, Florida native Whitney Cunningham, who placed seventh on the eighth cycle of the popular reality TV series America’s Next Top Model, you begin to understand what host Tyra Banks meant when she described her as the “full package.”

First of all, she is confident and headstrong, which is a must on these kinds of shows, almost as much as it is to take a beautiful modelesque picture. Second, she turns that confidence into drive. She has been receiving steady work as a model since leaving the show, and still believes that her goal of being the first woman to wear a size ten dress on the cover of Vogue is in reach. Third, and probably most important to television viewers, she obliterates the age-old model stereotype that to be pretty and photograph well, one must also be vapid and without a thought. A graduate of Dartmouth College, Cunningham also dreams of becoming a writer, and is working toward dual goals: a model who can express herself like no other model before her.

Cunningham recently sat down with Wikinews reporter Mike Halterman in an impassioned interview, taking hours to field questions from the reporter as well as from fans of America’s Next Top Model. Always in high spirits, Cunningham shows that she is a distinct personality who has carved her own niche in the Top Model history books. At the same time, she exhibits a joie de vivre that is oddly reminiscent of earlier Top Model fan favorite Toccara Jones, who showed America just how to be “big, black, beautiful and loving it.” However, Cunningham is quick to remind everyone that she isn’t big at all; she is simply a regular woman.

This is the first in a series of interviews with America’s Next Top Model contestants. Interviews will be published sporadically.