Sunday, October 24, 2010

Eight months after a catastrophic earthquake, Wikinews has investigated the devastation caused in February and the reconstruction of Pichilemu, Chile. The February 27 earthquake and a subsequent tsunami completely destroyed Pichilemu’s most coastal street and its oldest villages. Wikinews has also had access to the original design plans of the new kiosks in Pichilemu, and conducted an interview with merchant Alejandro Mella, known locally as the King of the Cochayuyo (“El Rey del Cochayuyo”), who lost his kiosk after the earthquake.

Pichilemu is a coastal city in the O’Higgins Region of Chile, known as one of the “best surfing spots” in South America. Its current Mayor is Roberto Córdova Carreño, who was elected internally by the Councillors of the city in September 2009, after several political controversies that ended with three Mayors being displaced.

The territory of Pichilemu has a surface of 7,491 square kilometers, and comprises at least 24 villages, such as Ciruelos, Rodeíllo and Espinillo (the latter two also severely damaged by the March 11 earthquake). Pichilemu is the most popular beach in O’Higgins Region, and many tourists visit it every summer.

The earthquake took place in what is considered the “last weekend in the summer;” on Saturday, February 27, 2010 at 03:34 local time (06:34 UTC), while almost all Chileans were sleeping. Hours earlier, on Friday, thousands of people had arrived at Pichilemu. “The house moved from side to side. I really thought it was going to fall. It was 3 or 4 minutes long,” Diego Grez, a Chilean student who was in Pichilemu at the time of the quake, told Wikinews in an interview.

A concert was being held at the One Discotheque when the earthquake occurred. It is said that the audience panicked and fled outside the discothèque, and then to the La Cruz Hill. Most tourists fled outside the city right after the earthquake occurred, but many others opted to stay in the La Cruz Hill or the village of Pueblo de Viudas, which are the higher points in the city.

“Pichilemu is the symbolic beach resort in the Sixth Region [of O’Higgins], so it was not strange to even think that [during] the last weekend before the entrance to school, many people would be going to take advantage of it to take a vacation; and that’s what happened,” reported El Rancagüino, the most important newspaper in O’Higgins Region, on February 28.

The only radio broadcasting in the area was Entre Olas, directed by Jorge Nasser, which also helped Pichileminians know what happened in other affected places by the earthquake, as they re-broadcasted the audio of Televisión Nacional de Chile (National Television of Chile). On the day of the earthquake, the station reported that a local police truck had crashed near La Cruz Hill. There was no tsunami warning, and Mayor Córdova was away on holiday when the earthquake struck.

“Those who live in Pichilemu, and those who were visiting it, were surprised by the giant waves that annihilated its beach and reached the city’s square, destroying everything on their way,” reported El Morrocotudo on February 28. “The most tough thing occurred when the firefighters’ alarms sounded twice, and the people in the hill began to yell ‘tsunami!’,” journalist Tania Arce told the newspaper.

The earthquake destroyed one of Pichilemu’s oldest and iconic buildings, the post office, which was demolished in July. The urban centre of Pichilemu was not severely damaged by the earthquake, but its subsequent tsunami caused most of the destruction. The Agustín Ross architecture in the city (three of his buildings are National Monuments of Chile) was damaged. Agustín Ross Balcony was completely destroyed.

According to SHOA, the Hydrographic and Oceanographic Service of the Chilean Navy, the tsunami triggered by the earthquake first reached Pichilemu, at 03:48 (06:48 UTC). A second wave came at 04:15 (07:15 UTC).

Policeman José Arévalo was the only person to warn residents that a tsunami was approaching. Arévalo was patrolling the Las Terrazas beach, when the earthquake occurred. He told El Rancahuaso there were around 25 people in the beach. “Right after the quake, he noticed the sea had shrank around 500 meters inside. He took his megaphone, and shouted people should leave the place instantly.” “The sea is coming out! The sea is coming out!,” he shouted. “The warning was also preceived by nightclubs and pubs surrounding the costanera. Then, the tragedy occurred. The sea destroyed everything on its way,” El Rancahuaso reported. “It all was really quick. Everyone is safe, luckily [..] It’s something unforgettable to me, I’m proud I saved all of those lives,” Arévalo added.

The tsunami destroyed restaurants, hotels, kiosks, the Fishermen Store (Caleta de Pescadores), surf schools, the Agustín Ross Balcony (located right in front of the Las Terrazas beach) and houses near the costanera (the nearest street to the beach), and flooded the building of the Government of Cardenal Caro Province, the boarding school of Pichilemu, the city square (Arturo Prat Square), and the Supermarket El 9.

A local worker, Ricardo Vivanco, also known as “El Gordo” (“The Fat one”), almost was killed by a tsunami, ignoring warnings by the Police and the Fire Bureau. Vivanco was drunk, and went down to the Las Terrazas beach with his friends. The wave washed him away, and was hit on the Agustín Ross Balcony’s wall. His friends recorded a video and uploaded it to YouTube.

It was reported by Radio Entre Olas on February 27, that the tsunami had provoked massive damage in Punta de Lobos, Pichilemu’s most popular beach. The owner of Entre Mar, an hotel and restaurant in that beach, said the tsunami had destroyed all of his buildings there.

The village of Espinillo was badly damaged, and approximately 600 people were made homeless by the earthquake, Teletrece reported on March 16. “We are keeping the government informed, we’re also organized with some churches [sic, religious organizations] that are working voluntarily in Espinillo, Los Boldos, Alto Ramírez […] We thank a lot their work, that is not to give them mediaguas [temporary tenements], but something definitive, but I also think they need resources to do it,” Mayor Córdova said.

On March 11, Chile was hit by a second earthquake, that reached a magnitude of 6.9, and that occurred 40 kilometers southwest of Pichilemu. It occurred at 11:39 local time (14:39 UTC), while the new President Sebastián Piñera was sworn in.

A tsunami warning was issued by SHOA, between Coquimbo and Los Lagos regions. People in Pichilemu fled again to La Cruz Hill. Military authorities assured people in the hill they were going to be safe there, and that it was unlikely a tsunami was going to hit again Chile’s coast. The tsunami warning was lifted at 15:50 local time (18:50 UTC).

People stayed in La Cruz Hill for a longer time than after the previous earthquake, and several activities were made there, such as a concert by Chilean-Brazilian singer Joe Vasconcellos. People were also given food, wood (mostly remains from the destroyed kiosks), and electricity.

“We are here because we fear about our safety. We don’t want it [a possible tsunami] to catch us. We have to settle down here and to accommodate,” Edith Larraín told to Wikinews. Mayor Córdova estimated that at least 2,000 people were staying at La Cruz Hill. Militaries and provincial authorities asked them to leave the hill on March 15, but most refused the deal. People eventually left the hill, due to complaints by the Mayor.

On March 20, in collaboration with the Governor of Cardenal Caro Julio Ibarra, Colonel Raúl Melo, and the Mayor of Litueche Bernardo Cornejo, Mayor of Pichilemu Roberto Córdova announced a “tourism revival campaign” of Pichilemu, promoting the surf practice, whose goal was “to make the city go back to the normality.”

On April 4, the first monument was erected in memory of the earthquake and tsunami victims. The monument was created by local artisans, with rocks from several places of the Cardenal Caro Province. “We wanted to create this monument so we don’t forget it [the earthquake] […] This is the beginning of the reconstruction,” said Julio Ibarra. The monument was placed in front of the beach, near the building of the Cardenal Caro Government. Mayor Roberto Córdova said that “it definitely will help us reconstruct [ourselves] espiritually, [and that] is essential.”

On October 20, with the help of the Government, SERCOTEC (Technical Cooperation Service, Servicio de Cooperación Técnica) and FOSIS (Solidarity and Social Investment, Fondo de Solidaridad e Inversión Social), the Fishermen Store (Caleta de Pescadores) began to be reconstructed. Caleta de Pescadores is administered by the Independent Labour Union of Fishermen of Pichilemu (Sindicato de Trabajo Independientes de Pescadores Artesanales), which has twenty-three members.

“The Government of President Sebastián Piñera has been worried about the fishing area, carrying out several actions in help of them, after all that they’ve suffered after the earthquake and tsunami that hit them […] This area is working normally again,” Governor Ibarra said.

On October 6, the Municipality of Pichilemu published the design of kiosks that were going to be constructed, as replacement of those destroyed by the earthquake. As of October 23, four kiosks have been constructed in Pichilemu, specifically on Las Terrazas beach, and two more are being constructed. According to Mauricio Grez, a construction engineer, the construction of one kiosk would cost up to US$ 2,500 (CLP 1,000,000).

Alejandro Mella, locally known as “el Rey del Cochayuyo” (“the King of the Cochayuyo”), is a merchant of Pichilemu, who promotes the cochayuyo (durvillaea antarctica), and lost his kiosk after the February earthquake and tsunami. “I was given my [former] kiosk by the Mayor Orlando Cornejo, back in 1993. It was right in front of us [in front of Las Terrazas beach, near “the grotto of the Virgin”], and was made smithereens by the tsunami,” he told Wikinews.

“I have always worked on selling cochayuyo here, and the terrain where my kiosk was located before has been disputed by private people, and the municipality approved that. I talked with the Mayor and he said ‘I don’t know what’s going on the beach’; that left me perplexed. […] I like the new design of the kiosks, they are larger, and we can do more things with it, but they are way too expensive,” he added. Mr. Mella also gave Wikinews a sample of his work as “the King of the Cochayuyo”, an essay called “El cochayuyo es una mina repleta de nutrientes y sales minerales” (“Cochayuyo is a mine full of nutrients and mineral salts”, pictured below), which he sells for 200 Chilean pesos (0.41 US$), and that contains “tips and information about the plant, and some recipes.”

Thursday, January 24, 2013

A group of researchers published a paper about their discovery of a new species of Madagascar mermaid skink lizards last December. The species is the fourth forelimbs-only terrestrial tetrapods species known to science, and the first one which also has no fingers on the forelimbs.

The species was collected at Marosely, Boriziny (French: Port-Bergé), Sofia Region, Madagascar. The Sirenoscincus mobydick name is after the existing parent genus, and a sperm whale from the 1851 novel Moby-Dick by Herman Melville.

This week, Wikinews interviewed one of the researchers, French zoologist Aurélien Miralles, about the research.

((Wikinews)) What caused your initial interest in Madagascar lizards?

Aurélien Miralles: Well, I would say that since I am a child I am fascinated by the biodiversity of tropical countries, and more especially by reptiles. I did a PhD on the evolution and systematics of skink lizards from South America. Then, I get a Humboldt grant to do a postdoc in Germany, at the Miguel Vences Lab, in order to study Malagasy skinks. Madagascar being a fabulous hotspot for reptiles (and not only for reptiles actually), it was a very nice opportunity. Professor Vences proposed me to associate our complementary fields of expertise: he is expert in herpetology for Madagascar, and I am expert in skinks lizards (family Scincidae). It was a very fruitful experience, and many other results have still to [be] published.

((WN)) How was the new species discovered?

AM: By a very funny coincidence actually. In 2010, I went to Madagascar for a long trip through the south of the island, in the semi-arid bush for collecting lizards and snakes samples. Then, during the last days, just before coming back to Germany, I have visited by coincidence the zoological collection of the University of Antananarivo. In that place, I found an old jar of ethanol with two weird little specimens previously collected by a student who didn’t realize it was something new. Being expert on skinks, I immediately recognised it was something very probably new, very different from all the other known species.

((WN)) What does “Sirenoscincus” stand for?

AM: I am not the author of the genus name Sirenoscincus. This genus name was already existing. It has been described by Sakata and Hikida (two Japanese herpetologists). “Sireno” means mermaid. “Scincus” means skinks, a group of little lizards on which I am particularly focusing my studies. So, Sirenoscinus means “mermaid skink”, in reference to [the] fact it has forelimbs but no hindlimbs.

((WN)) How deep underground do the lizards live?

AM: Hard to answer this question because nothing is known on the ecology of this species. But more reasonably, we can hypothesize, by comparison to similar species of skinks, that it is probably living just under the sand surface, [a] few centimeters deep, probably no more, or below [a] rock, leaf litter, or piece of dead wood.

((WN)) What do the lizards eat?

AM: Again, by analogy, I would say most likely small invertebrates (insects, larvae, worms etc…).

((WN)) What equipment was used during the research?

AM: Classic equipment (microscope) and also a state-of-the-art device: a micro CT-scan. It is a big device producing [a] 3D picture of the internal structure without damaging the specimen. It is actually very similar to the scanner used in human medicine, but this one is specially designed for small specimens. Otherwise, I am currently studying the DNA of this species and closely related species in order to determine its phylogenetic position compared to other species with legs, in order to learn more about the evolutionary phenomena leading to limb loss.

((WN)) There are several news sources that have a photo of the species. Is it a photo as seen in a CT-scan?

AM: No, this picture showing a whitish specimen on a black background is not a CT-scan. It is a normal photograph of the collection specimen preserved in alcohol (the one that was in the jar). You can see the complete of picture (including CT-scan 3D radiography, drawing…) in the original scientific publication.

((WN)) Do you know when the newly discovered mermaid skink species was put into the jar? Do you have its photo (of the jar)?

AM: No, I have no picture of the jar. The specimen has been collected in November 2004.

((WN)) What were the roles of the people involved in the research? What activity was most time-consuming?

AM: As first investigator, I did most of the work…and the longest part of the work was to examine closely related species in order to do comparisons…and also to check the complete bibliography related to this topic and to write the paper.

Mrs Anjeriniaina is the student who […] collected the specimen a couple of years ago.

Mrs Hipsley and Mr Müller learnt me how to use the CT-scan, and helped me concerning some point relative to internal morphology. Mr Vences helped me as supervisors. Additionally, all of them have corrected the article, and gave me many relevant advices and corrections, thus improving the quality and the reliability of the paper.

((WN)) Did you get in touch with an external entity to get the new species officially recognised?

AM: No. In zoology, it is only needed to publish the description of a new species (and to give it a name) in a scientific journal, and to designate a holotype specimen (= specimen that will be the official reference for this species), to get this new species “officially” recognised by the scientific community. That does not mean that this new species is “correct” (it might be invalidated by subsequent counter-studies), but that means that this discovery and the new name of [the] species are officially existing.

((WN)) Are there any further plans on exploring the species habitat and lifestyle?

AM: No, not really for the time being, because ecology is not our field of expertise. But other studies (including molecular studies) are currently in progress, in order to focus on the phylogenetic position and the evolution of this species.

Wednesday, May 20, 2009

The nuclear reactor at Chalk River, Ontario in Canada was shut down on Thursday, May 14 by the Atomic Energy of Canada Limited (AECL) due to a leak of heavy water. Government officials say that by Saturday the demand for medical isotopes will no longer be met, due to the shortage caused by the closure.

Medical isotopes are used in diagnostic procedures for cancer, heart disease and other medical conditions. When radioactive isotopes are injected into the body, radiologists can view higher radiation via medical imaging, enabling them to make a more accurate diagnosis.

Estimates suggest that the reactor will be shut down for approximately one month for repairs. The Chalk River Laboratories produce 33% of the international supply of medical isotopes.

Lisa Raitt, Natural Resources Minister said, “A secure supply of medical isotopes is not only an issue for Canada, it is an international issue that is being addressed co-operatively by all isotope-producing countries.”

“It may mean that if you have an elective study booked … that patient is going to be deferred and will have to wait until the situation is resolved. I’m reasonably confident that for most patients, if they’re having an acute problem, that problem is going to be dealt with – and the greater the acuity, the more likelihood it’s going to be dealt with quickly and expeditiously,” said Dr. Karen Gulenchyn, a nuclear medicine expert.

“The government of Canada is engaging international isotope producers as well as companies such as MDS Nordion, Lantheus, and Covidien, who all play key roles in securing medical isotope supply for North America,” said Raitt and Health Minister Leona Aglukkaq.

In December 2007, the 52-year-old reactor was shut down and the Canadian House of Common stepped in to restart the reactor.

Sunday, June 23, 2013

A device known as the Mosquito, set to be trialed in New South Wales (NSW), Australia by RailCorp in a bid to deter vandals from areas frequently the target of graffiti, is attracting criticism. Wikinews reached out to several people about the trials.

The units work by emitting a high-pitched buzz, similar to that of a mosquito, which is generally only audible to those under the age of about 24. The aim is to repel young people who become irritated by the noise, as a prevention method against graffiti, loitering, and other crimes like theft.

The initiative was announced last month, but RailCorp has not revealed when it intends to test the technology to crack down on graffiti.

In an interview with Wikinews, President of the NSW Council for Civil Liberties Cameron Murphy this week labeled the strategy “ridiculous”. “All they’re going to do is wear headphones and these [devices] will make no difference at all.”

Thousands of units have been set up in the UK since they first became available about seven years ago, where they’re used to stop youths gathering near public areas like shops and train stations. The technology has a high usage rate in the UK, and the Council of Europe has called for a ban on grounds it violates human rights, calling it “highly offensive”.

A RailCorp spokesperson confirmed to Wikinews the devices would only be situated on railway land away from public areas.

Mr Murphy maintains the NSW government’s policy is “based upon discrimination” and it assumes the youth affected by the noise are those doing graffiti, without solid evidence to prove this.

NSW Liberal MP Gareth Ward told Wikinews, “very few crime fighting techniques are fool-proof,” and as people have found ways to get around CCTV, they’re like to do the same with this, which is why it’s only being trialed at this stage. He acknowledged the devices will be situated in areas where the general public shouldn’t be hanging around. “There are certain areas in the network where trains may not be travelling at a particular time and that’s when those devices will be turned on […] and I think that’s perfectly reasonable.” He remarked, “any young person who feels they’ve been aggrieved […] should feel free to contact the Minster for Transport.”

A mobile phone message tone based on the same mosquito sound has been touted as teacher-proof because teens should be the only ones able to hear it if it goes off during class.

Saturday, October 14, 2006

An American inventor has patented a pair of new time formats with a footprint less than 50% of that of conventional four-digit time. The more unusual of the two new formats, called “TWELV”, dispenses with numerals altogether. In place of clock hands or digits, the new clock uses color to convey the hour and a moon image to convey the minute, which moon slowly grows throughout the course of an hour from a narrow crescent to a full-fledged circle.

The second and more approachable of the new formats retains numerical digits to indicate the minute but uses colors to convey the hour.

Early critics question whether the aesthetic benefits of the moon-clock will be sufficient to encourage users to learn the color-based time-telling system. However, the size advantages of the new system may make it particularly suitable for mobile applications, particularly cell phones, wearable computers, and head-mounted displays.

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.