Why African Rhinos Are Facing a Crisis


The body count for African rhinos killed for their horns is approaching crisis proportions, according to the latest figures released by the International Union for Conservation of Nature (IUCN).

To National Geographic reporter Peter Gwin, the dire numbers—a rhinoceros slain every 11 minutes since the beginning of 2013—don't come as a surprise. "The killing will continue as long as criminal gangs know they can expect high profits for selling horns to Asian buyers," said Gwin, who wrote about the violent and illegal trade in rhino horn in the March 2012 issue of the magazine.

The recent surge in poaching has been fueled by a thriving market in Vietnam and China for rhino horn, used as a traditional medicine believed to cure everything from hangovers to cancer. Since 2011, at least 1,700 rhinos, or 7 percent of the total population, have been killed and their horns hacked off, according to the IUCN. More than two-thirds of the casualties occurred in South Africa, home to 73 percent of the world's wild rhinos. In Africa there are currently 5,055 black rhinos, listed as critically endangered by the IUCN, and 20,405 white rhinos. (From our blog: "South African Rhino Poaching Hits New High.")

Trying to snuff out poaching by itself won't work, said Gwin. The South African government is fighting a losing battle on the ground to gangs using helicopters, dart guns, high-powered weapons—and lots of money. (National Geographic pictures: The bloody poaching battle over rhino horn [contains graphic images].)

"Every year they get tougher on poaching, but rhino killings continue to rise astronomically," said Gwin. "Somehow they have to address the demand side in a meaningful way. This means either shutting down the Asian markets for rhino horn, or controversially, finding a way to sustainably harvest rhino horns, control their legal sale, and meet what appears to be a huge demand. Either will be a formidable endeavor."

Hope and Hurdles

The signing in December of a memorandum of understanding between South Africa and Vietnam to deal with rhino poaching and other conservation issues raises hope for some concrete action. Observers say the next step is for the two governments to follow through with tangible crime-stopping efforts such as intelligence sharing and other collaboration. The highest hurdle to stopping criminal trade, though, is cultural, Gwin believes. "In Vietnam and China, a lot of people simply believe that as a traditional cure, rhino horn works." (Related: "Blood Ivory.")

The recent climb in rhino deaths threatens what had been a conservation success story. Since 1995, due to better law enforcement, monitoring, and other actions, the overall rhino numbers have steadily risen. The poaching epidemic, the IUCN warns, could dramatically slow and possibly reverse population gains.

The population growth is also being stymied by South Africa's private game farmers, who breed rhinos for sport hunting and tourism and for many years have helped rebuild rhino numbers. Many of them are getting out of the business due to the high costs of security and other risks associated with the poaching invasions.

Those who still have rhinos on their farms will often pay a veterinarian to cut the horns off—under government supervision—to dissuade poachers, but the process costs more than $2,000 and has to be repeated when the horns grow back every two years. Even then the farmers are stuck with horns that are illegal to sell—and which criminals seek to obtain.

Room for Debate

Rhino killings and the trade in their horns will be a major topic at a high-profile conference, the 16th meeting of the Conference of the Parties to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which opens in Bangkok March 3. What won't surprise Gwin is if the issue of sustainably harvesting rhino horns from live animals comes up for discussion.

"It's an idea that seems to be gaining traction among some South African politicians and law enforcement circles," he said, noting that the international conservation community strongly opposes any talk of legalizing the trade of rhino horn, sustainably harvested or not. The bottom line for all parties in the discussion is clear, said Gwin: "The slaughter has to stop if rhinos are to survive."


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Benedict Pledges 'Obedience' to New Pope












In his farewell remarks to his colleagues in the Roman Catholic Church, Pope Benedict XVI, the first pontiff to resign in 600 years, promised his "unconditional reverence and obedience" to his eventual successor.


Benedict, in a morning meeting at the Vatican, urged the cardinals to act "like an orchestra" to find "harmony" moving forward.


Benedict, 85, is spending a quiet final day as pope bidding farewell to his colleagues and moving on to a secluded life of prayer, far from the grueling demands of the papacy and the scandals that have recently plagued the church.


His first order of business was a morning meeting with the cardinals in the Clementine Hall, a room in the Apostolic Palace. Despite the historical nature of Benedict's resignation, not all cardinals attended the event. With their first working meeting not until Monday, only around 100 cardinals were set to attend, the Vatican press office said Wednesday. Those who are there for Benedict's departure will be greeted by seniority. Angelo Sodano, the dean of the College of Cardinals, thanked Benedict for his service to the church during the eight years he has spent as pontiff.


Pope Benedict XVI Delivers Farewell Address










In the evening, at 5:00 p.m. local time, Benedict will leave the Vatican palace for the last time to head to Castel Gandolfo, the papal summer residence outside of Rome. Before his departure the German-born theologian will say some goodbyes in the Courtyard of San Damaso, inside the Vatican, first to his Secretary of State Cardinal Tarcisio Bertone and then to the Swiss Guards who have protected him as pontiff.


9 Men Who Could Replace Pope Benedict XVI


From there it is a short drive to a heliport for the 15-minute flight via helicopter to Castel Gandolfo, just south of the city. Benedict will not be alone on his journey, accompanied by members of the Pontifical Household such as two private secretaries, the head of protocol, his personal physician and his butler.


Once Benedict lands in the gardens at Castel Gandolfo, a group of dignitaries, such as the governor of the Vatican City state Giovanni Bertello, two bishops, the director of the pontifical villas, and the mayor and parish priest. Off the helicopter and into a car, Benedict will head to the palace that he will call home for the coming months. From a window of the palace, Benedict will make one final wave to the crowd at the papal retreat.


It is there, at 8:00 p.m., that Benedict's resignation will take effect once and for all. Once the gates to the residence close, the Swiss Guards will leave Benedict's side for the last time, their time protecting the pontiff completed.


Pope Benedict's Last Sunday Prayer Service


For some American Catholics in Rome for the historic occasion, Benedict's departure is bittersweet. Christopher Kerzich, a Chicago resident studying at the Pontifical North American College of Rome, said Wednesday he is sad to see Benedict leave, but excited to see what comes next.


"Many Catholics have come to love this pontiff, this very humble man," Kerzich said. "He is a man who's really fought this and prayed this through and has peace in his heart. I take comfort in that and I think a lot of Catholics should take comfort in that."






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We need a piece of Mars to continue search for life


































THERE'S no need to cry over spilt chemicals. Thanks to an accident inside one of its instruments, NASA's Curiosity rover has detected the presence of a substance called perchlorate in Martian soil (see "Curiosity's spills add thrills to the Mars life hunt").












Not exactly earth-shattering, you might think. But it adds a new twist to the most controversial chapter in Martian history: did the Viking landers detect life?













This is a question that has divided the Viking missions' researchers for almost three decades. One group has resolutely stuck to its guns that the landers detected signs of life. Equally adamant is a second group who say they absolutely did not – a view that has always been the official version of events.












The unexpected discovery of perchlorate supplies a legitimate reason to reopen the debate. Perchlorate is an oxidising agent that destroys organic molecules. Its presence could finally explain the disputed results.












The episode highlights another important issue. Curiosity is a sophisticated machine, but there is only so much soil chemistry we can do from millions of kilometres away. A sample return mission must be a priority.












This article appeared in print under the headline "We need a piece of Mars"


















































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China overtakes Japan on IT spending: German trade body






BERLIN: China has overtaken Japan in terms of its share of global IT spending, German IT industry organisation BITKOM said on Wednesday, ahead of the CeBIT, the world's biggest high-tech trade fair.

Global IT spending is poised to rise by 5.1 per cent to 2.7 trillion euros (US$3.5 trillion), said BITKOM in a new survey, with India (+13.9 per cent), Brazil (+9.6 per cent) and China (+8.9 per cent) the biggest growth markets.

"There is a shift in the 2013 country ranking: China has overtaken Japan and is for the first time the second biggest national market," said BITKOM president Dieter Kempf.

China holds 9.5 per cent of the global IT market, now ahead of Japan with 8.3 per cent. Both Asian giants are still comfortably behind the United States, which enjoys a 26.8-per cent share of the world's technology market.

When the 27 countries of the European Union are lumped together, they represent 21.8 per cent of the global market share but will grow at a mere 0.9 per cent in 2013, according to the BITKOM survey.

"Given the current economic situation, an EU-wide growth of around one per cent is a pleasing outlook for the coming year and the CeBIT," judged Kempf.

The CeBIT, in the northern German city of Hanover, is the world's top trade fair for the IT sector, showcasing the latest gadgets and inventions. It runs from March 5 to 9.

- AFP/xq



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Dropbox clears 1 billion file uploads per day



Dropbox CEO Drew Houston speaks at Mobile World Congress 2013.

Dropbox CEO Drew Houston speaks at Mobile World Congress 2013.



(Credit:
Stephen Shankland/CNET)



BARCELONA, Spain--People save 1 billion files every day to Dropbox's online storage service, Chief Executive Drew Houston said today at the Mobile World Congress show here.


In addition, the company's 100 million users tap into the service with 500 million devices, he said. The statistics shows major growth for a company founded in 2007 when today's high-end smartphones only just were emerging.


When the company started, Dropbox could synchronize people's data among PCs, but now of course it helps bridge the gaps to smartphones,
tablets, and presumably other Internet-connected devices of the future. The company has been gradually expanding the abilities of its software to make it more of a central hub for people's data with features such as graphics viewers and automatic photo uploads from phones.


Houston said the lavishly funded company plans more features. Among them are better tools to deal with people who use Dropbox for both work and personal tasks and family plans.




His speech was essentially a sales pitch to the mobile network operators and device manufacturers that dominate the show, Houston made the case that they should consider partnerships.


There's "untapped opportunity" for carriers that could sign up with Dropbox, mentioning the family plan possibility as an example. "We can tie a family together in a way that's broader than just a billing relationship," Houston said.


He also tried to nudge handset makers into partnerships, touting Dropbox's Samsung deal as an example. Samsung was initially leery of dumping its own cloud-based storage plan for a cross-platform service like Dropbox, but they found a way to stand out.


"The way they differentiate is by building Dropbox onto all these core features on the phone," Houston said.


Dropbox expects its users to link up another 150 million devices to the service in 2013.


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A History of Balloon Crashes


A hot-air balloon exploded in Egypt yesterday as it carried 19 people over ancient ruins near Luxor. The cause is believed to be a torn gas hose. In Egypt as in many other countries, balloon rides are a popular way to sightsee. (Read about unmanned flight in National Geographic magazine.)

The sport of hot-air ballooning dates to 1783, when a French balloon took to the skies with a sheep, a rooster, and a duck. Apparently, they landed safely. But throughout the history of the sport, there have been tragedies like the one in Egypt. (See pictures of personal-flight technology.)

1785: Pioneering balloonist Jean-Francois Pilatre de Rozier and pilot Pierre Romain died when their balloon caught fire, possibly from a stray spark, and crashed during an attempt to cross the English Channel. They were the first to die in a balloon crash.

1923: Five balloonists participating in the Gordon Bennett Cup, a multi-day race that dates to 1906, were killed when lightning struck their balloons.

1924: Meteorologist C. LeRoy Meisinger and U.S. Army balloonist James T. Neely died after a lightning strike. They had set off from Scott Field in Illinois during a storm to study air pressure. Popular Mechanics dubbed them "martyrs of science."

1995: Tragedy strikes the Gordon Bennett Cup again. Belarusian forces shot down one of three balloons that drifted into their airspace from Poland. The two Americans on board died. The other balloonists were detained and fined for entering Belarus without a visa. (Read about modern explorers who take to the skies.)

1989: Two hot air balloons collided during a sightseeing trip near Alice Springs, Australia. One balloon crashed to the ground killing all 13 people on board. The pilot of the other balloon was sentenced to a two-year prison term for "committing a dangerous act." Until today, this was considered the most deadly balloon accident.

2012: A balloon hit a power line and caught fire in New Zealand, killing all 11 on board. Investigators later determined that the pilot was not licensed to fly and had not taken  proper safety measures during the crash, like triggering the balloon's parachute and deflation system.

2012: A sightseeing balloon carrying 32 people crashed and caught fire during a thunderstorm in the Ljubljana Marshes in Slovenia. Six died; many other passengers were injured.


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What's Next for Pope Benedict XVI?












The party for the world's most prominent soon-to-be retiree began today when Pope Benedict XVI hosted his final audience as pontiff in St. Peter's Square.


More than 50,000 tickets were requested for the event, according to the Vatican, while the city of Rome planned for 250,000 people to flood the streets.


FULL COVERAGE: Pope Benedict XVI Resignation


With his belongings packed up, Pope Benedict XVI will spend the night, his final one as pope, in the Apostolic Palace.


The pontiff, 85, who is an avid writer, will be able to take his personal notes with him. However, all official documents relating to his papacy will be sent to the Vatican archives.


On Thursday, Pope Benedict XVI will take his last meeting as pontiff with various dignitaries and the cardinals, said the Rev. Federico Lombardi, director of the Vatican Press Office.



INTERACTIVE: Key Dates in the Life of Pope Benedict XVI


While not all of the cardinals are in Rome, it is possible that among the princes of the church saying farewell to the pope could be the man who will succeed him.


"I think the overall tone is going to be gratitude. From the cardinals' perspective, it'll be like the retirement party for your favorite professor," said Christopher Bellitto, a professor at Kean University in New Jersey who has written nine books on the history of the church.






AP Photo/Andrew Medichini











The Conclave: Secret World of Picking the Pope Watch Video











Papal Appearance: Faithful Flock to Saint Peter's Square Watch Video





RELATED: Cardinal Resigns Amid Sexual Misconduct Allegations


Pope Benedict XVI will depart the Vatican walls in the afternoon, taking a 15-minute helicopter ride to Castel Gandolfo, the papal retreat just outside of Rome, where he will live while his new Vatican quarters undergo a renovation.


Around sunset, the pontiff is expected to greet the public from his window in the palace, which overlooks the small town square, for the last time as pope.


At 8 p.m. local time, the papal throne will be vacated. The man known as Pope Benedict XVI for the past eight years will take on a new title: Pope Emeritus.


What Lies Ahead for the Pope Emeritus


The announcement that Benedict XVI would be the first pope to resign in 600 years shocked the world and left the Vatican with the task of creating new rules for an event that was unprecedented in the modern church.


"Even for the historical life of the church, some of this is brand new territory," said Matthew Bunson, general editor of the "Catholic Almanac" and author of "We Have a Pope! Benedict XVI."


"The Vatican took a great deal of care in sorting through this," he said. "This is establishing a precedent."


Along with Benedict's new title, he will still be allowed to wear white, a color traditionally reserved for the pope.


He'll still be called Your Holiness. However, the Swiss Guards, who are tasked with protecting the pope, will symbolically leave his side at 8 p.m. Thursday.


His Ring of the Fisherman, kissed by thousands of the faithful over the years, will be crushed, according to tradition.


Not much is known about the pope's health.


In his resignation statement, the pontiff said his physical strength has deteriorated in the past few months because of "an advanced age."


He also mentioned the "strength of mind and body" necessary to lead the more-than-1-billion Catholics worldwide.


If he is able to, Bellitto believes the pope will keep writing, perhaps on the Holy Trinity, a topic of great interest to him.



RELATED: Papal Conclave 2013 Not Politics as Usual


As the pope emeritus settles into the final chapter of his life, experts have said it is likely he will stay out of the public realm.


"[Pope Benedict XVI] has moved very deliberately in this process," Bunson said, "with an eye toward making the transition as smooth, as regal, as careful as possible for the election of his successor."



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Happy, snappy tweets gain the most Twitter followers









































Want to be popular on Twitter? There are plenty of people who claim they can help, but their tips rarely work and many of them are scammers. Now scientists have joined in, boiling down half a million tweets to a few simple rules for gaining a following.












C.J. Hutto (@cjhutto on Twitter) and colleagues at the Georgia Institute of Technology in Atlanta examined the content and retweeting fate of tweets sent by 500 non-celebrities over a 15-month period. They looked for 2800 terms that convey positive and negative emotions, including slang and swear words, a set of emoticons and common acronyms, like LOL.












By giving each term a score on a sliding scale of positivity they were able to assess whether Twitter users who used each term gained or lost followers. The keys to success, they found, were to tweet positive messages, write clearly and retweet interesting titbits of news.












People who tweeted mostly about themselves didn't fare so well. "Twitter is used quite heavily as a news medium," Hutto says. "My weak connections on Twitter care less about what I had for breakfast than they do about this neat bit of news I discovered."











Know your audience













Previous studies had suggested that following "important" people like celebrities and getting them to follow you back, alongside the frequency and timing of tweets were key factors in upping your number of followers. But the team's study suggests it's what's in your tweets, rather than who you follow, that has the biggest impact on the size of your Twitter audience.












How engaged people are with their followers also matters. "Twitter users who engage with their existing followers via mentions, replies and favouriting had positive follower growth, while users who mostly broadcast to no one in particular had dramatically suppressed growth rates," says Hutto.












Readability was also key. The team constructed a "Tweet Reading Difficulty Index" to measure how understandable the tweets were. Those whose tweets scored higher on the index had more followers.












"When deciding whether or not to follow a virtual stranger, we found Twitter users seek out well-written over poorly written content," says Hutto. "People rely on linguistic cues like spelling and vocabulary to compensate for the lack of traditional contextual cues available in face-to-face settings."












The researchers will present their findings at the Conference on Human Factors in Computing Systems in Paris, France, in April.


















































If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.




































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Fatah-linked militants claim Gaza rocket after inmate death






GAZA CITY, Palestinian Territories: Gaza militants from Fatah's Al-Aqsa Martyrs Brigades fired a rocket at Israel on Tuesday as a "preliminary response" after one of its members died in an Israeli jail.

It was the first time a Gaza rocket had struck southern Israel in more than three months, and stoked fears that the mass protests in the West Bank over the fate of prisoners held in Israeli jails could spread to the Hamas-run territory.

Following weeks of anger in support of four prisoners on long-term hunger strike, the issue came to head on Saturday with news that a 30-year-old prisoner who had been interrogated for throwing stones, had died in custody.

Arafat Jaradat was arrested on February 18 and interrogated by Israel's Shin Bet internal security services on suspicion of involvement in a "stone-throwing terror attack" in November. Five days later, he died in Megiddo prison.

His death sparked angry demonstrations across the West Bank, with Palestinian prisoner affairs minister Issa Qaraqaa saying preliminary results from his autopsy showed he had died "as a result of torture".

At his funeral near the southern city of Hebron on Monday, militants from Al-Aqsa Brigades, an armed offshoot of Palestinian president Mahmud Abbas's Fatah party, vowed revenge, with the group claiming Tuesday's rocket as a first response.

"In a preliminary response to the killing of our hero the prisoner Arafat Jaradat, we claim responsibility for firing a Grad rocket on Ashkelon at 6:00 am (0400 GMT)," the Gaza branch said in a statement.

The rocket struck a road just south of the Israeli port city, causing damage but no injuries, police said.

It was the first such attack since the end of an eight-day confrontation in November during which militants fired more than a thousand rockets at Israel and the air force hit back with a major bombing campaign.

The violence, which killed 177 Palestinians and six Israelis, ended with a truce deal on November 21.

Meanwhile Palestinian police were Tuesday preventing demonstrators from reaching an area near Jalame checkpoint in the northern West Bank where several mass protests have erupted into violence in the past 10 days, an AFP correspondent said.

Earlier, Abbas had instructed the security forces to "maintain the calm" in the West Bank, following a demand from Israel at the weekend that he act to cool the situation.

Washington also sent a "clear message" to both sides calling for calm, a State Department spokesman said, indicating it expected "all parties to consider the results of the autopsy calmly and without inflammatory rhetoric".

And the United Nations said there must be an independent inquiry into Jaradat's death.

"The United Nations expects the autopsy to be followed by an independent and transparent investigation into the circumstances of Mr Jaradat's death, the results of which should be made public as soon as possible," UN Middle East envoy Robert Serry said late on Monday.

The Palestinians also called for an independent inquiry in a letter from their UN ambassador Riyad Mansour to the UN Security Council in which it said the autopsy showed Jaradat "was subjected to severe beatings, abuse and medical negligence during his captivity, possibly amounting to torture."

According to the letter, the autopsy showed Jaradat had six broken bones in his neck, spine, arms and legs, as well as other injuries.

Israel has said the prisoner could have suffered broken bones during the attempts by the emergency services to resuscitate him.

It said the preliminary findings were "not sufficient to determine the cause of death" which could only be known with the results of microscopic and toxicological, which are reportedly due back on 10 days.

-AFP/fl



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Ford EcoSport heads to Europe, Spotify voice-control in tow (hands-on)



BARCELONA, Spain--Mobile World Congress is usually more about smart phones and tablets than full-blooded vehicles, but that hasn't stopped Ford from using the show to announce its newest motor, the Ford EcoSport, which boasts Spotify voice control and a host of other futuristic features.


Technically the EcoSport isn't a new
car, as it's already on sale in South America. This is the first model that gets to melt some rubber to European roads however, when it goes on sale in Europe in late 2013.



The EcoSport is equipped with Ford's 'Ford Sync' technology, including AppLink, which lets you control smart phone apps by barking orders at the car's voice-recognition software. Streaming music service Spotify is the latest app to land on the AppLink service, filling the EcoSport's cabin with your carefully crafted playlists


iPhones connect to the car via a USB cable located just below the handbrake, while
Android and BlackBerry mobiles can link up wirelessly. There's currently no support for Windows Phone devices, unfortunately.


Once connected, you press a voice control button that's built into the right of the EcoSport's steering wheel. The first voice command you'll need is "mobile apps" followed by "Spotify". Once the car has connected to the app, you can use the voice control to do things like turn shuffle on or off or select specific playlists. Nifty.


The voice recognition tech works quite well, though as with most systems of this type, you'll spend longer than you want listening to the robotic in-car system telling you your options, or asking you try speaking again. You'll feel a little self-conscious shouting at your dashboard if there are other folks in the car with you, so I imagine this feature is something you'll mainly use when it's just you and the road.


Hearing playlists read out by the robotic voice sounds a little odd, and you might have to strain to make out exactly what your options are. The temptation will be to pick up your phone and just use the app itself, but thankfully this isn't possible -- when your mobile is connected to the car all you can access a Ford-branded lock-screen, which stops you distracting yourself from the road.


Spotify AppLink lock screen

The lock screen stops you from using the smart phone interface while driving.



(Credit:
Luke Westaway/CNET)


Another Ford Sync safety measure is that if you crash, the car will automatically contact emergency services with your GPS co-ordinates.

Thrumming away beneath the EcoSport's bright orange exterior is Ford's one litre, three-cylinder EcoBoost engine, which Ford reckons will boost fuel economy while slashing greenhouse emissions. The body isn't as chunky as some SUVs, and I imagine this surprisingly-small car will fit in well on Europe's narrow, winding roads.


Are you keen on the EcoSport? Would you use in-car voice control? Let me know in the comments, and be sure the check out all our coverage from Mobile World Congress.


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