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Tuesday, December 8, 2009

State media reported earlier today that a stampede in a school in China has killed at least eight people and injured an additional 26.

The accident occurred at 21:10 local time at the Yucai Middle School, a privately-run institution in city of Xiangxiang, located in the Hunan Province. Reports say that several students were leaving their studies when one fell down a staircase, causing others to lose their balance and tumble down as well.

Those hurt in the incident were treated at three hospitals in the town, and eight other students were being observed by medical personnel despite appearing not to have been hurt.

Chinese officials are investigating the incident and have been questioning the city educational bureau and local school authorities, according to the Xinhua news agency.

Friday, May 11, 2007

Internet TV came one step closer to reality as startup web broadcaster Joost recently announced that it signed a deal with Warner Brothers to host some of its WBTV-branded content. This deal, along with content deals with other television providers, lately Time Warner and Sony Pictures Television, makes Joost (pronounced “juiced”) the sweetheart aggregator and provider in the coming on-demand, freely distributed online TV broadcasts.

Joost bills itself as an online community where viewers, “can watch what you want, when you want, in full-screen eye-quality proper TV.” The service currently provides about 150 channels, although the availability of some channels varies by country or region due to copyright restrictions. Viewers can navigate screen menus to make programming choices, and then use “widgets” from drop-down menus that allow users to interact with the programming.

“Widgets include a clock, integration of instant messaging, RSS/News feeds and a chat room for the particular channel being viewed on the screen. Users have the ability to opt out of the widgets during viewing or can easily access them from the mouse-activated menus,” according to John P. Gamboa of the Dailey Aztec.

The development efforts at Joost are backed by technology-savvy web entrepreneurs Niklas Zennström and Janus Friis. The two used Internet peer-to-peer networking to create Kazaa, and then later Skype. The cutting-edge music file sharing and telephony implementations of these two applications, some say bleeding edge, appear to have had an affect on the approach being used now by the two at Joost along with co-developers. The copyright infringement-plagued Kazaa was sold to Sharman Networks in 2002. Skype was sold to eBay in October 2005 for $2.6 billion. In July last year, Kazaa settled with music record labels by making a $100 million payment as reparations for illegal file sharing activities employed by users of the application that enabled the distribution of copyright-infringed music files.

Kazaa became a copyright bust. Skype became a jaw-dropping hit, and a hit in the jaw of telcom carriers whose management of voice transmission became undermined by the sub-set of Internet users with broadband connectivity and peer-to-peer web awareness. The evolution is distinctively one-way. Online broadband peer-to-peer connectivity is here to stay after a nasty birth.

“People are looking for increased choice and flexibility in their TV experience, while the entertainment industry needs to retain control over their content,” said Joost chief executive officer Fredrik de Wahl. “We’ve married that consumer desire with the industry’s interests.”

The “marriage” of TV content to “consumer desire” is the hot-spot that media conglomerates are still seemingly trying to figure out as they dispense their less valuable content for Internet consumption. Joost has managed to secure some rights to webcast programming, but the content is not the highest quality broadcasted TV programming currently available through established subscription cable and satellite distribution channels, or even free airwave TV.

Underlying the concept of Internet TV is the distribution of content in a way that is more efficient than the existing model. Peer-to-peer networking over the Internet makes programming available when a user asks for it. The ‘on-demand’ feature of this approach frees up space in the distribution pipeline and provides feedback to the aggregator to know exactly what is in demand. It gives a middle-man the leverage to negotiate with media conglomerates and then manage a pipeline flooded with unviewed content, thereby conserving bandwidth. It also lets viewers opt for free online TV programming through content arrangements made by the web broadcaster, who acts as a gateway to the programs. However, it is not an advertising-free service.

The Joost hoopla is partly spurred on by its expansionist decision on May 1 to allow users of the Beta version to distribute 99 invitations to other people who could become Beta users.

Saturday, March 14, 2009

Rico Daniels is a British TV presenter living in France who is known for his two television series — The Salvager — whilst he still lived in the UK and then Le Salvager after he moved to France. Rico has been in a variety of jobs but his passion is now his profession – he turns unwanted ‘junk’ into unusual pieces of furniture. Rico’s creations and the methods used to fabricate them are the subject of the Salvager shows.

Rico spoke to Wikinews in January about his inspiration and early life, future plans, other hobbies and more. Read on for the full exclusive interview, published for the first time:

Sunday, March 22, 2009

After an early morning fire began, four out of the nine people living at the Riverview Individual Residential Alternative group home located in Wells, New York were killed by the blaze. The Sunmount Developmental Disabilities Services Office, which supervises the home, told the media that the fire started at approximately 5:30 AM Eastern Daylight Time. Two staff members were at the home at the time, who safely evacuated four of the five survivors.

The names of the residents killed in the fire were not able to be released due to New York’s Mental Hygiene Law, but are able to be identified as two adult men, aged 32 and 52, and two adult women, aged 43 and 60. A 71-year-old male was injured in the fire, and was taken to a hospital in Utica, a nearby city. The other four residents have been relocated to an unnamed group home. Both staff members are also being examined at the hospital.

“On behalf of all New Yorkers, I wish to extend my heartfelt condolences to the families, loved ones and friends of the four victims and to continue to pray for the full recovery of those five people and two staff members who survived this incident. I also want to express my thanks and appreciation for the first responders and volunteers who worked swiftly and diligently to respond to this tragedy,” David Patterson, the governor of New York, said to the media.

The exact cause of the fire has yet to be determined. However, the New York Civil Liberties Union stated that “the blaze appears to have been an electrical fire and the sprinkler system was knocked out immediately.” They also called for “an immediate investigation into the causes of and contributing factors of the fire.”

The New York State Department of State Office of Fire Prevention and Control is currently investigating the causes of the blaze, with help from New York State Police Bureau of Criminal Investigation and the New York State Commission on Quality of Care and Advocacy for Persons with Disabilities.

Wednesday, July 16, 2008

The James Bond film series is one of the most popular and successful, having grossed over US$4 billion worldwide. The suave, sophisticated secret agent has secured his place in popular culture as the definitive action hero that has appeared in twenty-three films between 1954 and 2006.

Daniel Craig was announced as the seventh actor to portray 007 in late 2005, making his debut in the 2006 smash hit Casino Royale. While fans await Craig’s second outing in Quantum of Solace, due later this year, they have been able to watch Shamelady, a fan film made by the French film production company Constellation Studios.

Shamelady is a tribute to Ian Fleming, the author of the James Bond novels on which many of the films are based, and EON Productions, the makers of the official 007 films. The film was first released in 2007 and runs just under an hour long. It can be downloaded from Constellation’s website or viewed on YouTube.

Legally, the filmmakers cannot profit from Shamelady, but they didn’t make it for the money, rather the thrill of creating an original Bond film. The plot is fairly simple, and reminiscent of Casino Royale. Bond is sent to a casino to nab a vicious crime lord, but gets betrayed by a fellow agent in the process. Viewer reaction to the film was positive for the most part, and Constellation Studios has now planned a sequel to Shamelady, which director Eric Saussine speaks of in the interview below.

Wednesday, January 9, 2019

Planetary scientist Vlada Stamenkovi? of the NASA Jet Propulsion Laboratory and colleagues have developed a new chemical model of how oxygen dissolves in Martian conditions, which raises the possibility of oxygen-rich brines; enough, the work suggests, to support simple animals such as sponges. The model was published in Nature on October 22. Wikinews caught up with him in an email interview to find out more about his team’s research and their plans for the future.

The atmosphere of Mars is far too thin for humans to breathe or for lungs like ours to extract any oxygen at all. It has on average only around 0.6% of the pressure of Earth’s atmosphere, and this is mainly carbon dioxide; only 0.145% of the thin Martian atmosphere is oxygen. The new model indicated these minute traces of oxygen should be able to enter salty seeps of water on or near the planet’s surface at levels high enough to support life forms comparable to Earth’s microbes, possibly even simple sponges. Some life forms can survive without oxygen, but oxygen permits more energy-intensive metabolism. Almost all complex multicellular life on Earth depends on oxygen.

“We were absolutely flabbergasted […] I went back to recalculate everything like five different times to make sure it’s a real thing,” Stamenkovi? told National Geographic.

“Our work is calling for a complete revision for how we think about the potential for life on Mars, and the work oxygen can do,” he told Scientific American, “implying that if life ever existed on Mars it might have been breathing oxygen”.

Stamenkovi? et al cite research from 2014 showing some simple sponges can survive with only 0.002 moles of oxygen per cubic meter (0.064 mg per liter). Some microbes that need oxygen can survive with as little as a millionth of a mole per cubic meter (0.000032 mg per liter). In their model, they found there can be enough oxygen for microbes throughout Mars, and enough for simple sponges in oases near the poles.

In 2014, also suggesting multicellular life could exist on Mars, de Vera et al, using the facilities at the German Aerospace Center (DLR), studied some lichens, including Pleopsidium chlorophanum, which can grow high up in Antarctic mountain ranges. They showed those lichens can also survive and even grow in Mars simulation chambers. The lichens can do this because their algal component is able to produce the oxygen needed by the fungal component. Stamenkovi? et al’s research provides a way for oxygen to get into the Martian brines without algae or photosynthesis.

Stamenkovi? et al found oxygen levels throughout Mars would be high enough for the least demanding aerobic (oxygen-using) microbes, for all the brines they considered, and all the methods of calculation. They published a detailed map^[3] of the distributions of solubility for calcium perchlorates for their more optimistic calculations, which they reckoned were closer to the true case, with and without supercooling. The lowest concentrations were shown in the tropical southern uplands. Brine in regions poleward of about 67.5° to the north and about 72.5° to the south could have oxygen concentrations high enough for simple sponges. Closer to the poles, concentrations could go higher, approaching levels typical of sea water on Earth, 0.2 moles per cubic meter (6.4 mg per liter), for calcium perchlorates. On Earth, worms and clams that live in the muddy sea beds require 1 mg per liter, bottom feeders such as crabs and oysters 3 mg per liter, and spawning migratory fish 6 mg per liter, all within 0.2 moles per cubic meter, 6.4 mg per liter.

((Wikinews)) Does your paper’s value of up to 0.2 moles of oxygen per cubic meter, the same as Earth’s sea water, mean that there could potentially be life on Mars as active as our sea worms or even fish?

Stamenkovi?: Mars is such a different place than the Earth and we still need to do so much more work before we can even start to speculate.

Stamenkovi? et al studied magnesium and calcium perchlorates, common on Mars. They found the highest oxygen concentrations occur when the water is colder, which happens most in polar regions.

((WN)) The temperatures for the highest levels of oxygen are really low, -133 °C, so, is the idea that this oxygen would be retained when the brines warm up to more habitable temperatures during the day or seasonally? Or would the oxygen be lost as it warms up? Or — is the idea that it has to be some exotic biochemistry that works only at ultra low temperatures like Dirk Schulze-Makuch’s life based on hydrogen peroxide and perchlorates internal to the cells as antifreeze?

Stamenkovi?: The options are both: first, cool oxygen-rich environments do not need to be habitats. They could be reservoirs packed with a necessary nutrient that can be accessed from a deeper and warmer region. Second, the major reason for limiting life at low temperature is ice nucleation, which would not occur in the type of brines that we study.

Stamenkovi? et al’s paper is theoretical and is based on a simplified general circulation model of the Mars atmosphere — it ignores distinctions of seasons and the day / night cycle. Stamenkovi?’s team combined it with a chemical model of how oxygen would dissolve in the brines and used this to predict oxygen levels in such brines at various locations on Mars.

When asked about plans for a future model that might include seasonal timescales, Stamenkovi? told Wikinews, “Yes, we are now exploring the kinetics part and want to see what happens on shorter timescales.”

Stamenkovi? et al’s model also takes account of the tilt of the Mars axis, which varies much more than Earth’s does.

Wikinews asked Stamenkovi? if he had any ideas about whether and how sponges could survive through times when the tilt was higher and less oxygen would be available:

((WN)) I notice from your figure^[4] that there is enough oxygen for sponges only at tilts of about 45 degrees or less. Do you have any thoughts about how sponges could survive periods of time in the distant past when the Mars axial tilt exceeds 45 degrees, for instance, might there be subsurface oxygen-rich oases in caves that recolonize the surface? Also what is the exact figure for the tilt at which oxygen levels sufficient for sponges become possible? (It looks like about 45 degrees from the figure but the paper doesn’t seem to give a figure for this.)

Stamenkovi?: 45 deg is approx. the correct degree. We were also tempted to speculate about this temporal driver but realized that we still know so little about the potential for life on Mars/principles of life that anything related to this question would be pure speculation, unfortunately.

((WN)) How quickly would the oxygen get into the brines — did you investigate the timescale?

Stamenkovi?: No, we did not yet study the dynamics. We first needed to show that the potential is there. We are now studying the timescales and processes.

((WN)) Could the brines that Nilton Renno and his teams simulated, forming on salt/ice interfaces within minutes in Mars simulation conditions, get oxygenated in the process of formation? If not, how long would it take for them to get oxygenated to levels sufficient for aerobic microbes? For instance could the Phoenix leg droplets have taken up enough oxygen for aerobic respiration by microbes?

Stamenkovi?: Just like the answer above. Dynamics is still to be explored. (But this is a really good question ?).

Wikinews also asked Stamenkovi? how their research is linked to the recent discovery of possible large subglacial lake below the Martian South Pole found through radar mapping.

((WN)) Some news stories coupled your research with the subglacial lakes announcement earlier this year. Could the oxygen get through ice into layers of brines such as the possible subglacial lakes at a depth of 1.5 km?

Stamenkovi?: There are other ways to create oxygen. Radiolysis of water molecules into hydrogen and oxygen can liberate oxygen in the deep and that O₂ could be dissolved in deep groundwater. The radiolytic power for this would come from radionuclides naturally contained in rocks, something we observe in diverse regions on Earth.

((WN)) And I’d also like to know about your experiment you want to send to Mars to help with the search for these oxygenated brines.

Stamenkovi?: We are now developing at “NASA/JPL-California Institute of Technology” a small tool, called TH2OR (Transmissive H2O Reconnaissance) that might one day fly with a yet-to-be-determined mission. It will use low frequency sounding techniques, capable of detecting groundwater at depths down to ideally a few km under the Martian surface, thanks to the high electric conductivity of only slightly salty water and Faraday’s law of induction. Most likely, such a small and affordable instrument could be placed stationary on the planet’s surface or be carried passively or actively on mobile surface assets; TH2OR might be also used in combination with existing orbiting assets to increase its sounding depth. Next to determining the depth of groundwater, we should also be able to estimate its salinity and indirectly its potential chemistry, which is critical information for astrobiology and ISRU (in situ resource utilization).

((WN)) Does your TH2OR use TDEM like the Mars 94 mission — and will it use natural ULF sources such as solar wind, diurnal variations in ionosphere heating and lightning?

Stamenkovi?: The physical principle it uses is the same and this has been used for groundwater detection on the Earth for many decades; it’s Faraday’s law of induction in media that are electrically conducting (as slightly saline water is).

Stamenkovi?: However, we will focus on creating our own signal as we do not know whether the EM fields needed for such measurements exist on Mars. However, we will also account for the possibility of already existing fields.

See the discussion page for instructions on adding schools to this list and for an alphabetically arranged listing of schools.

Due to the damage by Hurricane Katrina and subsequent flooding, a number of colleges and universities in the New Orleans metropolitan area will not be able to hold classes for the fall 2005 semester. It is estimated that 75,000 to 100,000 students have been displaced. [1]. In response, institutions across the United States and Canada are offering late registration for displaced students so that their academic progress is not unduly delayed. Some are offering free or reduced admission to displaced students. At some universities, especially state universities, this offer is limited to residents of the area.