Science X Newsletter Friday, Apr 29

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Here is your customized Phys.org Newsletter for April 29, 2016:

Spotlight Stories Headlines

- Autonomous quantum error correction method greatly increases qubit coherence times
- Investigative report offers statistics and opinions on Sci-Hub
- New finding on elusive brain receptor sheds light on what may kill neurons after stroke
- Mechanism discovered for plants to regulate their flowering in a warming world
- Light-powered 3-D printer creates terahertz lens
- Unique fragment from Earth's formation returns after billions of years in cold storage
- Insulating layer of air above the Greenland ice sheet reduces precipitation
- Ebola virus genome provides clues to repeated disease 'flare-ups' in Western Africa
- Pop went the weasel and down went the Large Hadron Collider
- Structure of an enzyme that pathogenic bacteria use to reduce oxygen revealed
- Theoretical tiger chases statistical sheep to probe immune system behavior
- Making precision medicine a reality: Genomics researchers unveil road map to disease origin
- Experiments show 'retweeting' can interfere with learning and memory, both online and off
- Cooling graphene-based film close to pilot-scale production
- Action recognition without mirror neurons

Astronomy & Space news

	Unique fragment from Earth's formation returns after billions of years in cold storage In a paper to be published today in the journal Science Advances, lead author Karen Meech of the University of Hawai`i's Institute for Astronomy and her colleagues conclude that C/2014 S3 (PANSTARRS) formed in the inner Solar System at the same time as the Earth itself, but was ejected at a very early stage.
	Cassini image: Criss-crossed rings At first glance, Saturn's rings appear to be intersecting themselves in an impossible way. In actuality, this view from NASA's Cassini spacecraft shows the rings in front of the planet, upon which the shadow of the rings is cast. And because rings like the A ring and Cassini Division, which appear in the foreground, are not entirely opaque, the disk of Saturn and those ring shadows can be seen directly through the rings themselves.
	Japan abandons costly X-ray satellite lost in space Japan's space agency has abandoned its efforts to restore the operations of a multimillion-dollar satellite that was to probe the mysteries of black holes using X-ray telescopes.
	Hiding in the sunshine: the search for other Earths We humans might not be the only ones to ponder our place in the universe. If intelligent aliens do roam the cosmos, they too might ask a question that has gripped humans for centuries: Are we alone? These aliens might even have giant space telescopes dedicated to studying distant planets and searching for life. Should one of those telescopes capture an image of our blue marble of a planet, evidence of forests and plentiful creatures would jump out as simple chemicals: oxygen, ozone, water and methane.
	On the road to finding other Earths Scientists are getting closer to finding worlds that resemble our own "blue marble" of a planet. NASA's Kepler mission alone has confirmed more than 1,000 planets outside our solar system—a handful of which are a bit bigger than Earth and orbit in the habitable zones of their stars, where liquid water might exist. Some astronomers think the discovery of Earth's true analogs may be around the corner. What are the next steps to search for life on these potentially habitable worlds?
	Satellites 11 and 12 join working Galileo fleet Europe's latest navigation satellites, launched last December, have been officially commissioned into the Galileo constellation, and are now broadcasting working navigation signals.
Russia delays space crew's return to Earth Russia's space agency on Friday announced that the return to Earth of three astronauts currently on the International Space Station will be delayed by nearly two weeks in June.
	Sentinel-1B first image Launched on 25 April from Europe's Spaceport in French Guiana, Sentinel-1B has produced its first images only two hours after the radar was switched on – a record time for a space radar.
	NASA image: Orion crew module for Exploration Mission-1 lifted to test stand The Orion spacecraft crew module for Exploration Mission-1 (EM-1) is lifted into a test stand for pressure testing in the Neil Armstrong Operations & Checkout Building at NASA's Kennedy Space Center in Florida. A team from NASA and Lockheed Martin is getting ready for Orion's proof pressure testing, an evaluation that will help verify the structural integrity of Orion's underlying structure known as the pressure vessel.
	Star Trak: May 2016 Mars will have its best opposition in more than a decade in May.
	LLNL biodetection system bound for space A biological detection system developed by Lawrence Livermore National Laboratory (LLNL) scientists that has found more than a dozen applications soon will be used in tests reaching a new frontier—outer space.

Technology news

	Fathom that: Neural network compute accelerator inside a stick Movidius, the company focused on low-power machine vision technology, on Thursday announced a twosome: the Fathom Neural Compute Stick, described as a deep learning acceleration module, and a Fathom deep learning software framework.
China's Baidu eyes driverless car production by 2020 Chinese search engine giant Baidu is planning to produce driverless cars by 2020, its chief executive said, as the company reported revenue climbed sharply in the first quarter.
	3D sound for the Zurich Opera House With the audio software SpatialSound Wave from Fraunhofer, sounds can be positioned freely in the room, so that visual and acoustic events coincide realistically. In the Zurich Opera House the three-dimensional sound has been in use since January. The sound technicians adjust sound effects live and enlarge spaces acoustically.
	Automatically harvesting cauliflower Machines that harvest vegetables pick everything at once – even unripe heads when harvesting cauliflower. This is why human helpers often perform this tedious job. In the future, a machine will make selective harvesting possible fully automatically. Fraunhofer researchers are developing this smart harvester together with industry partners.
New type of cement could offer environmental protection, lower cost If widely adopted, a new approach to making cement could significantly reduce greenhouse gas emissions, water consumption, help address global warming, produce a more durable concrete, and save industry time and significant costs.
	Rovi buying TiVo in $1.1B cash-and-stock deal Digital TV listing company Rovi is buying TiVo in a cash-and-stock deal valued at about $1.1 billion.
	It's the year 2020...how's your cybersecurity? What if, in 2020, wearable devices did not care about how many steps you took, and instead were concerned with your real-time emotional state? With networked devices tracking hormone levels, heart rates, facial expressions, voice tone and more, the Internet could become a vast system of "emotion readers," touching the most intimate aspects of human psychology. What if these technologies allowed people's underlying mental, emotional and physical states to be tracked – and manipulated?
	EU roaming charges drop sharply on Saturday Mobile phone roaming fees in the EU will fall sharply on Saturday, the last step before they are abolished completely for Europeans next year.
	Bringing medical products to market faster Developing medical devices takes a lot of time: large parts of the control systems can be designed and tested only once the hardware is ready. Using the hardware-in-the-loop method, which Fraunhofer researchers have transferred from automotive engineering to medical products, development times and costs can be slashed by up to 50 percent.
	Making sure that packaging is properly sealed If food packaging or drug packaging is not properly sealed when the customer buys the product, it reflects poorly on the manufacturer. In the future, a thin-film temperature sensor will allow companies to carry out fast and reliable inline detection and rejection of packaging which has been incorrectly sealed.
	Obama announces new steps to curb gun violence President Barack Obama announced new steps Friday to help curb gun violence, including by identifying the requirements that "smart guns" would have to meet for law enforcement agencies to buy and use them as well as sharing mental health records with the federal background check system.
Netherlands to hand out iodine pills in case of nuclear accident The Dutch government has ordered 15 million iodine pills to protect people living near nuclear plants in case of an accident, officials said Friday, as concerns rise over ageing reactors across the border in Belgium.

Medicine & Health news

	Experiments show 'retweeting' can interfere with learning and memory, both online and off In a digital world where information is at your fingertips, be prepared to hold on tight before it slips right through them. Research at Cornell University and Beijing University finds retweeting or otherwise sharing information creates a "cognitive overload" that interferes with learning and retaining what you've just seen.
	Action recognition without mirror neurons When someone stands opposite us and purposefully raises their arm to make some kind of movement, our brain asks itself whether they intend to attack us or, perhaps, simply greet us. Scientists from the Department of Human Perception, Cognition and Action at the Max Planck Institute for Biological Cybernetics in Tübingen have studied what actually goes on in our minds during action recognition in detail, and how the mirror neurons contribute to this process. To do this, the team headed by Stephan de la Rosa placed its test subjects in a virtual reality setting.
	High-fat diet starves the brain A high-fat diet of three days in mice leads to a reduction in the amount of glucose that reaches the brain. This finding was reported by a Research Group led by Jens Brüning, Director at the Max Planck Institute for Metabolism Research in Cologne. The mouse brain restored its sugar uptake after four weeks, albeit at the cost of the rest of the body.
	Too much red meat and too few vegetables may increase your body's biological age A diet containing too much red meat and not enough fruit and vegetables could increase your body's 'biological age' and contribute to health problems.
	Making precision medicine a reality: Genomics researchers unveil road map to disease origin Researchers are one step closer to understanding the genetic and biological basis of diseases like cancer, diabetes, Alzheimer's and rheumatoid arthritis - and identifying new drug targets and therapies - thanks to work by three computational biology research teams from the University of Arizona Health Sciences, University of Pennsylvania and Vanderbilt University.
	New finding on elusive brain receptor sheds light on what may kill neurons after stroke Strokes, seizures, traumatic brain injury and schizophrenia: these conditions can cause persistent, widespread acidity around neurons in the brain. But exactly how that acidity affects brain function isn't well understood.
	Ebola virus genome provides clues to repeated disease 'flare-ups' in Western Africa Ebola virus samples taken from patients in Liberia in June 2015 are strikingly similar in their genetic makeup to other Ebola virus sequences from Western Africa, according to research published online today in the journal Science Advances. The study sheds light on several aspects of the "flare-ups" that have occurred in Liberia since the country was initially declared free of Ebola virus disease.
Hospital self-harm cases have steadily risen among men in England since 2008 The number of hospital cases of self-inflicted harm, such as cutting and overdosing on prescription meds, has risen steadily since 2008 in England among men, reveals research published in the online journal BMJ Open.
	Exposure to particulate air pollutants associated with numerous cancers Researchers have found that long-term exposure to environmental pollutants was associated with increased risk of mortality for many types of cancer in an elderly Hong Kong population.
	Sleep may impact mortality in lung transplant recipients (HealthDay)—For lung transplant recipients, sleep should be assessed in order to better clarify the predictors of post-transplant mortality, according to a letter to the editor published online April 18 in the American Journal of Transplantation.
	What our gut tells us about the 'hygiene hypothesis' Over the past few decades, the healthcare community has observed an intriguing phenomenon: diseases related to the immune system—type 1 diabetes (T1D) and other autoimmune diseases, allergies, and the like—have taken hold in countries that have thriving, modern economies, while barely making a mark in the developing world. One of the best-supported theories to explain this peculiar public health pattern has been dubbed the "hygiene hypothesis." The theory is based on the premise that exposure to pathogens early in life is actually beneficial to the education and development of the human immune system and that the sanitary conditions in "westernized" countries ironically hamper our natural immunity.
Health system fails to prepare patients for reality of psoriatic arthritis In a new University of Manchester study, people with psoriatic arthritis have told researchers about the condition's deeply damaging mental effects and how healthcare services failed to prepare them for its reality.
	Selfish behavior lowers levels of happiness Cheating to get ahead is likely to reduce your level of happiness. That's according to a new study by University of California, Riverside sociology professor Jan E. Stets. The study, titled "Happiness and Identities," was published in the journal Social Science Research.
	Eating chocolate each day could reduce heart disease and diabetes risk A new study published in the British Journal of Nutrition appears to back up the adage that a little of what you fancy does you good.
New mechanism for sensing and regulating pH in the nervous system The spinal cord has its own system for sensing changes in pH, according to a study by researchers at Karolinska Institutet. The new findings, which are published in Current Biology, show that cells in the central canal of the spinal cord detect and regulate pH, if it deviates from normal levels. Such changes may in turn impair the function of the neural networks of the nervous system.
Intervention helps adults reduce sugary beverage intake, study shows While millions of adults consume several hundred calories in sugary drinks every day, most of the messages about the dangers of overconsumption of sweet beverages focus on the risks they present children. A University of Kansas researcher has co-authored a study showing an intervention aimed at educating adults about the dangers of sugary beverages and improving their health and media literacy is effective at improving their health, knowledge and helping reduce the amount of beverages they drink.
	Powerful magnet gives pediatric patients a break Rice students' idea for less-invasive ureteral stent removal may save time, pain and money.
	Children with mild attention problems 'fall behind their peers at school' Young children with mild attention problems can go unnoticed at primary school and fall behind their peers academically, according to new research published today.
	Menopause symptoms are associated with poor self-assessed work ability A novel study from researchers at Monash University has found that poorer work ability and women's self-assessed work ability was significantly associated with having menopausal hot flushes and night sweats.
	New non-invasive brain stimulation technique for pain management Last year, the National Institutes of Health in the United States stated that the overuse and dependence of drug treatment for chronic pain had created a 'silent epidemic' of distress and disability.
Research sheds light on chronic liver disease Cirrhosis related ascites is a common and complex medical condition associated with increased morbidity, mortality, healthcare utilisation, and reduced quality of life. It is estimated that up to 0.5 per cent of the general population have cirrhosis and according to the World Health Organisation it is the 6th leading cause of death worldwide.
	Five fast things you should know about stroke You don't need superpowers to be a hero when it comes to stroke, you just need to pay attention to the risk factors and know the warning signs.
Hormone and neurotransmitter systems disturbed in alcoholics' brains The brain tissue of persons with alcohol dependence shows a variety of changes compared to non-alcoholic control persons. All alcoholics' brains share some characteristics, but some are exclusive to the brain tissue of anxiety-prone type 1 alcoholics or impulsive type 2 alcoholics, according to a recent study from the University of Eastern Finland.
Salt-inducible kinases may have therapeutic potential for autoimmune diseases A new research report appearing in the May 2016 issue of the Journal of Leukocyte Biology, suggests that specific enzymes, called "salt-inducible kinases," may be able to help curb runaway inflammation associated with autoimmune diseases like Crohn's disease, arthritis, and psoriasis. In particular, Swiss researchers found that by inhibiting the effects of salt-inducible kinases, they were able to significantly limit the production of inflammatory molecules by certain types of human immune cells. This validates the therapeutic concept of increasing local levels of anti-inflammatory IL-10 by the human immune cells and combining it with reduction of proinflammatory cytokines.
	Many manly men avoid needed health care (HealthDay)—Macho men are less likely than women to visit a doctor, and more likely to request male physicians when they do make an appointment, researchers say.
	Pain most frequent cause of ER visits post ureteroscopy (HealthDay)—Most patients who present to the emergency department after undergoing elective ureteroscopy complain of pain alone, according to a study published in the May issue of The Journal of Urology.
	Article discusses workplace violence in health care (HealthDay)—There is a lack of data relating to the prevalence of workplace violence in health care and how to address it, according to a review article published in the April 28 issue of the New England Journal of Medicine.
	Shared decision-making should be encouraged in ICU (HealthDay)—Shared decision-making should be implemented in the intensive care unit (ICU) as a collaborative process involving patients (or their surrogates) and clinicians, according to a policy statement published online April 20 in the American Journal of Respiratory and Critical Care Medicine.
New literature review assesses benefits of stem cells for treating spinal cord injuries Stem cell therapy is a rapidly evolving and promising treatment for spinal-cord injuries. According to a new literature review, published in the April issue of the Journal of the American Academy of Orthopedic Surgeons (JAAOS), different types of stem cells vary in their ability to help restore function, and an ideal treatment protocol remains unclear pending further clinical research.
	FDA reconsiders training requirements for painkillers The Food and Drug Administration is reconsidering whether doctors who prescribe painkillers like OxyContin should be required to take safety training courses, according to federal documents.
	HPV infection can be identified in self-collected vaginal swabs High risk, potentially cancer causing human papillomavirus infections are common among women in Papua New Guinea. But self sampling with vaginal swabs may provide materials that screen as accurately as the more labor-intensive approach using cervical samples obtained by clinicians. This finding is critical to developing same day screening and treatment, which is key to ensuring that women with precancerous lesions are treated in this largely unconnected (electronically) country, and in others like it. The research appeared online April 13, 2016 in the Journal of Clinical Microbiology, which is published by the American Society for Microbiology.
Screening method uncovers drugs that may combat deadly antibiotic-resistant bacteria In recent years, hospitals have reported dramatic increases in the number of cases of the highly contagious, difficult-to-treat, and often deadly antibiotic-resistant bacteria carbapenem-resistant Enterobacteriaceae (CRE). Now, investigators at Beth Israel Deaconess Medical Center (BIDMC) have developed a promising method of identifying new antimicrobials that target these organisms. The research is published in April issue of the journal ASSAY and Drug Development Technologies.
	First widely available Zika test OK'd for emergency use The first commercial test for the Zika virus has been cleared for emergency use in the U.S. and could be available by next week.
	Are you ready to replace your moisturizer with a pill? The makeup industry is trying to convince women that looking good on the outside starts from within—but it's unclear whether the products they're trying to hawk are safe and effective.
	To avoid food poisoning, there's an app for that (HealthDay)—There are apps for maps, restaurants and calorie-counting. Now, there's even one from the U.S. government for reducing your risk of foodborne illness.
	Diagnostic yield of brugada syndrome up with modified leads (HealthDay)—Use of V1 and V2 leads recorded in the second and third intercostal spaces (High-ICS) increases the diagnostic yield for Brugada syndrome (BrS), according to a study published online April 21 in the Journal of Cardiovascular Electrophysiology.
	Percutaneous needle-based OCT differentiates renal masses (HealthDay)—Percutaneous needle-based optical coherence tomography (OCT) can differentiate renal masses, according to a study published in the May issue of The Journal of Urology.
	Picture-guided cards can help chaplains provide spiritual care (HealthDay)—Picture-guided spiritual care is feasible among mechanically ventilated adults and may reduce their anxiety, according to a study published online April 20 in the Annals of the American Thoracic Society.
	Acute diverticulitis no worse in younger patients (HealthDay)—Younger patients do not have worse clinical presentation of acute diverticulitis, according to a study published online April 23 in the Journal of Digestive Diseases.
	New six-item scale predicts sleep apnea in children (HealthDay)—A newly developed six-question scale has good predictive utility for identifying obstructive sleep apnea (OSA) in children, according to a study published online April 25 in Pediatric Anesthesia.
	Wide variation in health care costs across the U.S. (HealthDay)—Health care prices vary widely across the United States, even within the same state, according to a study published in the April issue of Health Affairs.
Proper foot hygiene is key for 'Happy Feet' this summer As warmer temperatures approach, in the midst of getting your beach body ready, don't forget to take care of your feet, said Dr. Ronald Lepow, a podiatrist and assistant professor of orthopedic surgery at Baylor College of Medicine.
	Patients may benefit from 'cool' research Research led by Western neurosurgeon Dr. Stephen Lownie looks to offer fellow doctors precious time when saving a life – perhaps doubling or tripling treatment time for patients who suffered an aneurysm or stroke.
	Turning science fiction into science fact Joints that can be reconstructed. New tissues or entire organs to replace those damaged in injury or disease. A transplant of healthy beta cells so a diabetic never needs an insulin injection again.
	Controversial research looks at perpetrator views on domestic violence New Flinders University research on domestic violence has taken the approach of interviewing both male perpetrators and women in the hope of understanding how to successfully intervene and keep women safe.
Novo Nordisk says US launch 'encouraging' as profit drops The world's largest maker of diabetes treatments, Novo Nordisk, said on Friday that the US launch of ultra-long acting insulin Tresiba had been "encouraging" as it reported a drop in first quarter profit.
	Gonorrhoea cases continue to rise in Norway In Norway, the number of notified gonorrhoea cases are now the highest for 25 years. Reported cases of syphilis declined slightly but are still high compared to a few years ago, according to 2015 figures released by the Norwegian Institute of Public Health.
How two neurologists conceived a revolutionary new textbook of hospital neurology It was on the sidelines of a national educational summit in 2012 that the idea to overhaul the traditional neurology textbook was conceived.
	Researchers identify a new signaling mechanism implicated in congenital aortic valve disease Researchers at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) have demonstrated the crucial role of the NOTCH signaling pathway in the development of a fundamental heart structure, the heart valves. These valves ensure unidirectional bloodflow with each heartbeat, and open and close millions of times during a person's lifetime. The results, published in Circulation Research, could help to improve the genetic diagnosis and treatment of patients with a bicuspid aortic valve (BAV), a highly prevalent condition (affecting 1-2% of the population) that seriously compromises cardiovascular health.
French drug giant Sanofi vows hostile bid for US prey (Update) French pharmaceutical giant Sanofi vowed to open a hostile takeover battle Friday after its $9.3 billion (8.2 million-euro) offer for US cancer drug maker Medivation was dismissed for being too cheap.
	Families, doctors, advocates urgently seeking answers in epilepsy deaths One in 26 Americans will develop epilepsy over the course of a lifetime. In advance of the June 23-26 Partners Against Mortality in Epilepsy (PAME) Conference, epilepsy experts and people who face seizures are sounding the alarm on a greatly underestimated problem - epilepsy-related deaths. Although epilepsy affects 3 million Americans, communication and understanding around the risk of mortality remains low, creating a blind spot for caregivers that can prove devastating.
Lower weight, diabetes, and heart disease can worsen quality of life for frail older women Researchers writing in the Journal of the American Geriatrics Society recently learned that older women who are frail, and who have six or more chronic health conditions, are twice as likely to have a lower quality of life compared to women with less than three risk factors.
In older adults, frailty and depression symptoms are linked and can affect spouses Frailty, a condition that affects 10 percent of people aged 65 and older, can make older adults more prone to disability, falls, hospitalization and a shorter lifespan. Recently, researchers writing in the Journal of the American Geriatrics Society examined the effects of frailty and depression on married couples. Although we know much about the effects of frailty and depression on individuals, up until now, little has been uncovered about how these two conditions may be connected within couples.
	Norovirus sickens 159 on cruise ship docked in Norfolk Passengers on a cruise ship docked in Virginia have been sickened with norovirus.
First US Zika-related death in Puerto Rico (Update) The first death related to the mosquito-borne Zika virus infection on US soil was reported Friday in the US territory of Puerto Rico, health officials said.
NIH creates Atlas of Human Malformation Syndromes in Diverse Populations Researchers with the National Human Genome Research Institute (NHGRI), part of the National Institutes of Health, have collaborated with physicians and medical geneticists around the world to create the Atlas of Human Malformation Syndromes in Diverse Populations. Health care providers can use the new atlas to diagnose diverse patients with inherited diseases by comparing physical traits (called phenotypes) and written descriptions of their symptoms with photos and descriptions of people with the same condition and ancestry. Previously, the only available diagnostic atlas featured photos of patients with northern European ancestry, which often does not represent the characteristics of these diseases in patients from other parts of the world. The free electronic atlas was announced online in Genetics in Medicine.

Biology news

	Mechanism discovered for plants to regulate their flowering in a warming world Monash researchers have discovered a new mechanism that enables plants to regulate their flowering in response to raised temperatures.
	More tigers poached so far this year than in 2015: census More tigers have been killed in India already this year than in the whole of 2015, a census showed Friday, raising doubts about the country's anti-poaching efforts.
	Researchers use viral particles to trap intact mammalian protein complexes Belgian scientists from VIB and UGent developed Virotrap, a viral particle sorting approach for purifying protein complexes under native conditions. This method catches a bait protein together with its associated protein partners in virus-like particles that are budded from human cells. Like this, cell lysis is not needed and protein complexes are preserved during purification. The development and application of this pioneering technique are described in a paper published this week in Nature Communications.
	Entomologists shed light on bizarre mating mechanisms of native twisted-winged parasites Twisted-winged parasites of the species Stylops ovinae reproduce using so-called traumatic insemination. Entomologists of the Friedrich Schiller University Jena and the Christian Albrechts University of Kiel published on this phenomenon in the new edition of the science magazine Scientific Reports. To inseminate the eggs, the males injure the endoparasitic females with their hook-shaped penis and inject the seminal fluid directly into their body cavity.
Million people urge Bayer to stop bee-killer pesticides German agrochemicals and pharmaceuticals giant Bayer was presented Friday with a petition of more than one million signatures urging it to stop manufacturing pesticides that are blamed for the decline in the world's bee populations.
	Scientists discover oral sexual encounters in spiders Researchers from Slovenia have discovered oral sexual encounters in a spider, and have published their findings on April 29, 2016 in the journal Scientific Reports. Spiders are known for their unusual sexual behaviors, notably sexual cannibalism, but oral sexual encounters have not been well documented.
	Rare N.Z. parrot not dead, just pining for fiords: minister The world's rarest parrot has enjoyed a bumper breeding season in New Zealand, raising hopes it can eventually be reintroduced to its native Fiordland, conservationists said Friday.
	Save London's bees Nature lovers and green-fingered enthusiasts are urged to plant bee-friendly flowers to help ailing pollinator populations and to attract one of the many hundreds of bees due to be released later this summer from the rooftops of Queen Mary University of London (QMUL) in a competition launched by the London Pollinator Project.
	33 rescued lions to fly from Peru to S. Africa A total of 33 lions rescued from abuse in Peruvian and Colombian circuses will be taken by plane on Friday to South Africa, in what campaigners are calling the largest-ever airlift of big cats.
	Kenya demands total ivory ban to stop elephant slaughter Kenyan President Uhuru Kenyatta on Friday demanded a total ban on trade in ivory to end trafficking and prevent the extinction of elephants in the wild.

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