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Saturday, January 12, 2019

A United-States-based team of scientists released findings on Thursday about the large statues that dot the island of Rapa Nui, also called Easter Island. The study, published on Thursday in PLOS One, employed quantitative spatial analysis to establish that the platforms, or ahu, built to support the Easter Island statues, or moai, are usually located near sources of drinkable water. This feeds into the scholarly discussion of whether the purpose of the statues was exclusively ritualistic, practical or some combination of these.

The study examined 93 statues on the western side of the island, all of which were built before contact with Europeans. They compared the sites of the statues to sites associated with the specific resources: the kind of rock the statues are made of, the kind of rock used for tools, fishing, vegetable and potato cultivation, and water sources. The archaeologists say that this study is the first attempt to formally examine the idea that the locations of the moai are correlated to locations of resources important to the people who built them, such as fresh water.

Easter Island does not have streams that run nonstop but it does have an aquifer that produces freshwater seeps of brackish but drinkable water during low tide. Most of these water harvesting sites are along the coast but a few are inland—and so are the ahu.

“What is important about it is that it demonstrates the statue locations themselves are not a weird ritual place – [the ahu and moai] represent ritual in a sense of there is symbolic meaning to them, but they are integrated into the lives of the community,” said study co-author Professor Carl Lipo of Binghamton University. He went on to add “The exceptions to the rule about being at the coast where water comes out actually are met by the fact there is also water there – it is found through cave locations,” referring to caves with fresh water, and that some historical evidence suggests there may have been wells dug near the ahu that are not near caves.

The researchers plan to gather information on more freshwater resources so they can evaluate statue sites on the rest of Easter Island.

Jo Anne Val Tilburg of the University of California, Los Angeles disagreed with these findings: “The existence of fresh water seeps near coastal ahu is well-known and was certainly important at European contact. However, such seeps are today, and probably always were, minor resources. It is highly unlikely, in my view, that these resources were of major importance in locating ahu during prehistory.”

The earliest moai date to the 13th century. They vary in size but are about fourteen feet (four meters) tall and can weigh about fourteen tons. Scholars have long wondered about the role they played for the people who built them.

Easter Island is today a relatively barren place with scanty resources. Easter Island is located 2300 miles (3700 km) off the west coast of South America and 1,100 miles (1770 km) from its nearest neighbor island. It today has a grass-dominated landscape but it was once mostly covered by palm forests and it was home to a significant human population for a few hundred years. Scientists debate whether its environmental degradation, in the form of the loss of its palm forests and soil to erosion, was caused by human activity, natural climate change, or by rats and other introduced species that stowed away on the colonists’ boats, but there is consensus that the island’s environment changed considerably over time.

Friday, March 9, 2007

Imagine coming back from a camping trip in the desert. Then a few months later you notice in your photos from the trip that you camped inside a giant impact crater so big that no one documented it before. Could it happen?

During several trips to the Black Rock Desert, mostly while supporting the Stratofox Aerospace Tracking Team for suborbital space rocket launch efforts, Ian Kluft KO6YQ noticed some oddities in rock formations. He had a little experience with volcanoes, and some rocks in the area looked unusual. There seemed to be some lava here and there – but where was the volcano? He observed that even a large caldera should have mostly volcanic rocks. He then noticed some curved geographic structures in satellite imagery which made him curious if it might be an impact crater.

A TV documentary about meteor impacts mentioned some characteristics of impact craters. He went to the Internet to learn more. He noticed some of his own pictures of the area had cone shaped structures which might be “shatter cones” due to an impact shock wave that passed through the rocks. Discussion with others produced suggestions and volunteers who joined the effort. More circular features in satellite photographs were found. Igneous dikes through white layers of rock had been described and were visible in many photos.

The possible impact crater is 30 miles (48 km) wide east-to-west and 40 miles (64 km) north-to-south centered around 40.984045 N, 118.916016 W. That is in northwestern Nevada halfway between Reno and the Oregon border. The apparent ancient geological structure is so old that much of it is eroded away. The forces that eroded the Black Rock Desert itself, whether glacier or stream, have apparently cut through the crater rims and floor to do it.

Following an expedition to the area in late January, more possible shatter cones were observed in one of the rock samples collected. These are only formed by the shock wave of an impact event or nuclear explosion. The nearest nuclear test was underground at Sand Springs Range in central Nevada. Atmospheric tests at the Nevada Test Site were at the southern, and opposite, end of the state. So that points toward an impact if confirmed. But professional geologists will want to have the final word on confirming them.

In addition to shatter cones, rock samples were thought to contain shocked quartz because the criss-cross fractures looked like examples in online documents. But this group of volunteers doesn’t have equipment for proper photography of shocked quartz. If found, that would be another way to prove the impact origin of the rocks.

Columnar jointed columns hundreds of feet tall appear on some bluffs in locations that appeared consistent with part of a slowly cooling crater floor. But that alone only helps as part of a bigger picture, because volcanoes can have lava cool in columnar joints as well.

They also found local geological studies which described oddities which could be explained by an impact event. Layers of rocks in the mining district called Sulphur left geologists with a mystery about the cause of chemical alterations since 1980. The group compared it with information in online geological texts like “Traces of Catastrophe” by Dr Bevan M French of the Smithsonian Institution. Layers of impact ejecta seemed to explain the rock layers better than the previous theory about acid uniformly cooking the rocks across the region, and only in one layer of rocks. A separate 1980 study 40 miles away identified an immense air-fall tuff layer in the Soldier Meadows area as having been deposited in a single unit, yet couldn’t locate the volcano which produced this enormous volume. Fault diagrams published online by a mining operation at Sulphur on the edge of the circular structure from the satellite photo also look like curved terraced faults in the wall of a crater.

The mining geologists who wrote papers from 1980 to 2002 had not mentioned the possibility of a crater. But they were each gathering single puzzling pieces of information. A larger image seemed to be forming when putting the pieces together. The group hopes the information will be helpful to geologists who do further work in the region.

The theory hasn’t been put to any test by professionals yet. Some responses point out that the elliptical region reported as the possible impact crater could also be the volcanic caldera that the 1980 study was looking for. If so, such a large volcanic caldera would still be a significant discovery for the region.

This will remain officially a mystery for a while until the professional geologists get to study it. There is a lot of information available online for those who are interested.

Saturday, August 6, 2005

Robin Cook, the former British foreign secretary and current Member of Parliament, has died of a suspected heart attack after collapsing on a walk with his wife on Ben Stack hill, Scotland. Cook, aged 59, was flown to a hospital in Inverness by a rescue service helicopter half an hour after collapsing.

A spokesperson for NHS Highland said that Mr. Cook arrived at hospital 90 minutes after his collapse, and was reported dead five minutes later. A postmortem examination has concluded that he died from hypertensive heart disease.

Mr. Cook was buried on August 12 at St Giles Cathedral in Edinburgh in a service attended by close family, friends and political figures from across the world. British Prime Minister Tony Blair however came under attack from Mr. Cooks friend and racing pundit John McCririck for his absence from the service.

Robin Cook served as Foreign Secretary under New Labour and was a critic of the war in Iraq. He resigned as Leader of the House of Commons in 2003 in protest against Prime Minister Blair’s foreign policies.

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, October 4, 2007

Rick Morelli is running for the NDP in the Ontario provincial election, in the Vaughan riding. Wikinews’ Nick Moreau interviewed him regarding his values, his experience, and his campaign.

Stay tuned for further interviews; every candidate from every party is eligible, and will be contacted. Expect interviews from Liberals, Progressive Conservatives, New Democratic Party members, Ontario Greens, as well as members from the Family Coalition, Freedom, Communist, Libertarian, and Confederation of Regions parties, as well as independents.

Thursday, July 3, 2008

Mongolia’s ruling People’s Revolutionary Party (MPRP) has been declared winners of the country’s legislative elections, two days after allegations of vote-rigging leveled against the ruling party sparked violent protests in the capital of Ulaanbaatar.

Preliminary results show the MPRP with 47 seats out of 76 in the State Great Khural, General Election Committee spokesman Nergui reported. The opposing Democratic Party won 26 seats, Nergui said, with the remaining seats divided between minor parties. The official results are expected to be revealed tomorrow. Nevertheless, the preliminary results indicate a decisive victory for the former communist party.

International observers say the vote was largely fair. There were some irregularities reported, but according to William Ifante, Mongolia director of The Asia Foundation, “they were in no way widespread” and the election “appeared to have been transparent and free throughout.”

This did not stop Democratic Party supporters from taking to the streets on Tuesday in protest of alleged election fraud. Rioters clashed with police, setting fire to the MPRP headquarters and a cultural center. Five people were killed in the violence, over 300 were injured, and around 700 protesters were detained. President Nambaryn Enkhbayar declared a four-day state of emergency in the capital, which will stay in effect until Saturday.

Calm has since been restored in Ulaanbaatar, although a heavy police presence remains in the city. “Life is steadily coming back to normal. Military equipment has been moved from the city and traffic restrictions have been lifted,” said Justic Minister Monkh-Orgil. Protests have been banned during the state of emergency, but Democratic Party leader Tsakhiagiyn Elbegdorj does not expect a recurrence of the violence.

However, Elbegdorj still asserts that the elections were marred by fraud, and he is demanding a recount. “I am deeply saddened that this vote was stolen,” he said. “It was stolen and there needs to be a recount. The result is false.”

Wednesday, March 3, 2010

Ford Motor Company said on Tuesday that its sales in the United States rose 43% in February compared to the same period last year, as the automaker outsold rivals Toyota and General Motors.

Ford said that total sales improved to 142,285 units, compared to 141,951 units sold by GM. Additionally, Ford said that its share of the total US car market rose to 17%, up from 14% a year ago. The increase was better than analysts had predicted, and Ford’s stock rose to a five-year high in morning trading, before declining later in the day. Ford’s sales were significantly influenced by a 74% increase in fleet sales to businesses. Rental car agencies alone accounted for around 30,000 units sold. Sales to retail consumers increased only 28%.

The increases were led by sales of two sedans, the Fusion and Taurus, which rose 166.5 and 93.3% respectively, although sales of other models such as SUVs and pickup trucks also increased. Both models were significantly redesigned last year, and analysts said that improved quality from such cars were driving the increases.

Other companies also reported February sales today, nearly all reporting sales gains as well, although none as large as those of Ford. Toyota was the sole exception to the sales gains, as their sales declined 8.7%, as the company was faced with a global recall during the month that led to a temporary stoppage of production for some models.

“The strength of our new products … are resonating with customers,” said Ken Czubay, Ford’s vice president of sales and marketing. However, he believed that traditional Toyota customers were not buying rival autos, but rather awaiting the results from the recalls.