January 06, 2014 |
Supervolcano eruptions are triggered by melt buoyancy Zurich, Switzerland (SPX) Jan 06, 2014 - Supervolcanos are not usual volcanos. By effectively "exploding" as opposed to erupting, they leave a giant hole in the Earth's crust instead of a volcanic cone - a caldera, which can be up to one hundred kilometres in diameter. On average, supervolcanos are active more rarely than once every 100,000 years; since records began, none has been active. Consequently, researchers can only gain a vagu ... more | |
Reproduction matters for microbes Bristol UK (SPX) Jan 06, 2014 - Caught in the act! Researchers from the University of Bristol have observed mating for the first time in the microbes responsible for African sleeping sickness. This tropical disease is caused by trypanosomes, single-celled parasites that are found in the blood of those afflicted. The Bristol team were able to see what the trypanosomes were getting up to inside the tsetse flies that carry ... more | |
New study may aid rearing of stink bugs for biological control Annapolis, MD (SPX) Jan 06, 2014 - Many people think of stink bugs as pests, especially as the brown marmorated stink bugs spreads throughout the U.S. However, certain stink bugs are beneficial, such as Podisus nigrispinus (Dallas), a predatory stink bug that is considered an important biological control agent for various insect pests of cotton, soybean, tomato, corn, kale, and other crops. Now a new study appearing in Anna ... more | |
New Study Brings Scientists Closer to the Origin of RNA Atlanta, GA (SPX) Jan 06, 2014 - One of the biggest questions in science is how life arose from the chemical soup that existed on early Earth. One theory is that RNA, a close relative of DNA, was the first genetic molecule to arise around 4 billion years ago, but in a primitive form that later evolved into the RNA and DNA molecules that we have in life today. New research shows one way this chain of events might have started. ... more | |
Scientists explain age-related obesity: Brown fat fails Washington DC (SPX) Jan 06, 2014 - As most people resolve themselves to lose weight this New Year, here's why it seems to get easier and easier to pack on unwanted pounds: New research published in the January 2014 issue of The FASEB Journal, shows that as we age, the thermogenic activity of brown fat is reduced. Brown fat is a "good" fat located in the backs of our necks that helps burn "bad" white fat around our bellies. ... more | |
Reconstructing the New World monkey family tree Durham NC (SPX) Jan 06, 2014 - When monkeys landed in South America 37 or more million years ago, the long-isolated continent already teemed with a menagerie of 30-foot snakes, giant armadillos and strange, hoofed mammals. Over time, the monkeys forged their own niches across the New World, evolved new forms and spread as far north as the Caribbean and as far south as Patagonia. Duke University evolutionary anthropologi ... more | |
China starts fifth national desertification monitoring Beijing (XNA) Jan 06, 2014 - China launched its Fifth National Monitoring of Desertification and Sandification on Friday. The State Forestry Administration said the campaign to collect information on the status and dynamics of land will last 18 months and combine land-surface survey with satellite remote-sensing technology. The results will provide scientific bases for policy-making and help combat desertificati ... more | |
25 years of DNA on the computer Rome, Italy (SPX) Jan 06, 2014 - DNA carries out its activities "diluted" in the cell nucleus. In this state it synthesises proteins and, even though it looks like a messy tangle of thread, in actual fact its structure is governed by precise rules that are important for it to carry out its functions. Biologists have studied DNA by observing it experimentally with a variety of techniques, which have only recently been supp ... more | |
Population stability 'hope' in species' response to climate change York UK (SPX) Jan 06, 2014 - Stable population trends are a prerequisite for species' range expansion, according to new research led by scientists at the University of York. The climate in Britain has warmed over the last four decades, and many species, including butterflies, have shifted their distributions northwards. The extent of distribution changes has varied greatly among species, however, with some showing rap ... more | |
Important mutation discovered in dairy cattle Aarhus, Denmark (SPX) Jan 06, 2014 - Scientists have found a genomic deletion that affects fertility and milk yield in dairy cattle at the same time. The discovery can help explain a dilemma in dairy cattle breeding: the negative correlation between fertility and milk production. For the past many years milk yield in Scandinavian dairy cattle has gone in one clear direction: up. This has been due to targeted breeding programm ... more | |
Ground-breaking work sheds new light on volcanic activity Bristol UK (SPX) Jan 06, 2014 - Factors determining the frequency and magnitude of volcanic phenomena have been uncovered by an international team of researchers. Experts from the Universities of Geneva, Bristol and Savoie carried out over 1.2 million simulations to establish the conditions in which volcanic eruptions of different sizes occur. The team used numerical modelling and statistical techniques to identify ... more | |
Amber fossil reveals ancient reproduction in flowering plants Corvallis, OR (SPX) Jan 06, 2014 - A 100-million-year old piece of amber has been discovered which reveals the oldest evidence of sexual reproduction in a flowering plant - a cluster of 18 tiny flowers from the Cretaceous Period - with one of them in the process of making some new seeds for the next generation. The perfectly-preserved scene, in a plant now extinct, is part of a portrait created in the mid-Cretaceous when fl ... more | |
Man dies as storms continue to batter Britain London (AFP) Jan 05, 2014 - A man died after his mobility scooter fell into the River Thames on Sunday, police said, as dozens of flood warnings remained in place across Britain. The 47-year-old was pulled from the river near Oxford, south England, after he fell in while trying to avoid a flooded pathway. Police are treating his death as unexplained. More than 200 homes along the west coast of Britain have bee ... more | |
Arctic blast takes aim at frigid US New York (AFP) Jan 05, 2014 - Millions of people hunkered down Sunday in America in anticipation of brutal weather from a dangerous Arctic blast that could send US temperatures plummeting to their coldest in 20 years. The northeast of the country and parts of Canada have been in the grip of crippling heavy snow and deadly sub-zero conditions since the turn of the year and the deep freeze is now ripping through the US Mid ... more | |
Senegal to fine Russian ship for 'fishing illegally' Dakar (AFP) Jan 05, 2014 - Senegal plans to slap a fine of about 600,000 euros on a Russian ship for repeatedly fishing illegally in its waters, its fisheries minister said Sunday. The trawler arrived in Dakar overnight Saturday under military escort after the Senegalese navy boarded the vessel off the Atlantic coast. "The Oleg Naydenov, this big fishing boat which you see behind me and which is 120 metres long .. ... more | |
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Turkey PM says 'favours' retrial of coup plot officers Ankara (AFP) Jan 05, 2014 - Turkey's embattled Prime Minister Recep Tayyip Erdogan said Sunday he would favour retrials for hundreds of military officers jailed for coup-plotting. In the latest sign of the turmoil that has gripped Turkish politics since the government was hit a huge corruption scandal last month, Erdogan appeared ready to reach out to the generals he once hounded. "Our position on a retrial is a fa ... more | |
Cardinal, bishops plea for aid in Italy 'Triangle of Death' Rome (AFP) Jan 04, 2014 - A cardinal and bishops in Italy's so-called "Triangle of Death" have called for urgent action to tackle toxic mafia dumps blamed for rising cancer rates near Naples. "Act quickly. We urge the authorities to intervene and be decisive, to stop the spread of worry, fears and ills," Cardinal Crescenzio Sepe, Archbishop of Naples, wrote in an open appeal to Italian President Giorgio Napolitano, a ... more | |
US icebreaker heads to Antarctic to help stuck ships Sydney (AFP) Jan 05, 2014 - A US icebreaker was dispatched Sunday to assist an icebound Russian research ship and Chinese vessel trapped during a rescue bid in Antarctica, as the leader of a group airlifted to safety rejected criticism of their expedition. The US Coast Guard's Polar Star accepted an Australian request to go to the aid of the marooned Russian ship Akademik Shokalskiy which has been beset by ice since De ... more | |
Typhoon brings unexpected medical relief to Philippine town Basey, Philippines (AFP) Jan 05, 2014 - A devastating typhoon that killed thousands of people in the Philippines has unexpectedly given young traffic accident victim Mario Renos hope that he could one day walk again. Hit by a motorcycle while walking to school months before Super Typhoon Haiyan struck the central islands, the 13-year-old's shrivelled legs are taking their first steps to recovery at a Red Cross tent hospital put up ... more | |
Four die in Swiss Alps avalanches Geneva (AFP) Jan 05, 2014 - Four skiers were killed and another was in a critical condition after a series of avalanches hit the Alps in southern Switzerland Sunday, Swiss media reported. Three of the victims, including a guide, died when a wall of snow bore down on a group of cross-country skiers in the canton of Valais, critically wounding another, public broadcaster RTS reported. A fourth, a 34-year-old Swiss ma ... more | |
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