This item will be shipped through the Global Shipping Program and includes international tracking.
Will usually ship within 1 business day of receiving cleared payment - opens in a new window or tab. By submitting your bid, you are committing to buy this item from the seller if you are the winning bidder. By clicking Confirm, you commit to buy this item from the seller if you are the winning bidder. By clicking Confirm, you are committing to buy this item from the seller if you are the winning bidder and have read and agree to the Global Shipping Program terms and conditions - opens in a new window or tab. Ce montant comprend les droits de douane, les taxes, les frais de courtage et les autres frais applicables. Adults should eat a minimum of 0.8 grams of protein for every kilogram of body weight daily — that's about 58 grams for a 160-pound adult, according to recommendations from the Institute of Medicine. If you struggle to remember names and numbers or frequently fail to follow the plot of a film, help could be at hand. Scientists say the problem is that you know too much – and you need to declutter, or spring-clean your mind. Experiments show that the memory lapses that come with age are not simply due to brain slowing down. Instead, they can be blamed on the well-used brain finding it more and more difficult to stop irrelevant information interfering with the task in hand.
A pill that keeps stress at bay could be on the horizon after scientists worked out the brain chemistry that turns a healthy dose of fear into overwhelming anxiety or depression. The breakthrough by researchers at Leicester University could lead to pills that quash such stress-related conditions before they arise.
This would be different from anti-depressants, which are prescribed after a person’s health deteriorates. The research was inspired  by the observation that while most of us experience traumatic events from bereavements  to broken hearts, only some  people descend into depression or other stress-associated psychiatric disorders. Experiments detailed in the journal Nature flagged up a protein called neuropsin, which is made in the amygdala, the brain’s ‘fear centre’. In times of stress, the brain makes more neuropsin and this triggers a series of chemical reactions that culminate in a ‘fear gene’ being switched on – and feelings of anxiety. Dr Pawlak said: ‘Studies in mice revealed that upon feeling stressed, they stayed away from zones in a maze where they felt unsafe.
Although the experiments were in mice, the researchers are optimistic that the protein also affects how the human brain copes with life’s troubles.
The researchers said: ‘Stress-related disorders affect a large percentage of the population and generate enormous personal, social and economic impact. THE SPACE DRUGS DO NOT WORK Imagine: You're a crew member aboard the first manned mission to Mars, months into transit to the Red Planet.
Despite the painkillers or antibiotics, your condition doesn't improve, resulting (at best) in prolonged bed rest, or (at worst) death.
This is a rather dramatized version of a recent finding by NASA-funded research: medicines appear to degrade rapidly when stored in space, putting a huge question mark over long-term astronaut health care. For the experiment, project leader Brian Du, of the Wyle Engineering Group and colleagues from the University of Texas, Universities Space Research Association and NASA Johnson Space Center, sent four medical kits to the International Space Station (ISS), pictured below. The ISS medical kits were flown in space for different time intervals ranging from 13 days to 28 months.
The study, published in the AAPS Journal, concluded that "the number of medications failing API [active pharmaceutical content] requirement increased as a function of time in space, independent of expiration date." In short, the longer the medication spent in space, the less effective it became. Although human space flight is suffering more than its fair share of jitters, eventually we will see astronauts venturing into deep space. Here are the details -- in case you were wondering after a hole blew out on a recent Southwest Airlines flight.
The hole that ripped through the ceiling of a commercial airplane at cruising altitude last week may, for some, have brought to mind the pilot of the TV show "Lost." In that dramatic episode, an airplane breaks in half, and passengers go flying through a gaping hole in the fuselage. For passengers on Southwest flight 812, the consequences were far milder: Soon after its takeoff from Phoenix, the plane made an emergency landing, and everyone was fine. Loss of consciousness and death would soon follow purely from oxygen deprivation to the brain, Wagner continued. In response to such extreme stress, your nervous system would go haywire, leading to potentially fatal spikes in blood pressure and heart rate. Then, there’s the danger of getting slammed into the plane on the way out, not to mention the trauma of falling.
In events like these, the sucking force originates from a difference in pressure between the cabin environment and the outdoor one. When a hole forms, a strong tendency to equalize creates a rushing tunnel of wind, like water flowing through a hose.
But air picks up speed as it approaches a fissure, said Geoffrey Landis, a physicist at NASA’s Glenn Research Center in Cleveland. The size of a hole determines how much air could rush out of a plane at once -- and how dangerous the situation will become. Of course, wind forces immediately begin working to enlarge a hole of any size -- putting extra pressure on the pilot to steer the plane downward as fast as possible. If you are unlucky enough to end up on a plane that develops a hole on it, "all is not doomed," Landis said. Parents with large broods preferentially fed UV-reflective nestlings over UV-blocked ones, suggesting that they used UV to decide which mouth to feed. A banana for breakfast, one for lunch and one in the evening would provide enough potassium to reduce the chances of suffering a blood clot on the brain by around 21 per cent. The findings, by British and Italian researchers, suggest thousands of strokes could be prevented by the consumption of other potassium-rich foods such as spinach, nuts, milk, fish and lentils. Although some previous studies have suggested bananas could be important for controlling blood pressure and preventing strokes, results have not always been consistent. In the latest research, published in the Journal of the American College of Cardiology, scientists analysed data from eleven different studies - dating back to the mid-Sixties - and pooled the results to get an overall outcome. They found a daily potassium intake of around 1,600 milligrammes, less than half the UK recommended daily amount for an adult of 3,500mg, was enough to lower stroke risk by more than a fifth.

The average banana contains around 500 milligrammes of potassium, which helps to lower blood pressure and controls the balance of fluids in the body. Too little potassium can lead to an irregular heartbeat, irritability, nausea and diarrhoea.
Researchers from the University of Warwick and the University of Naples said potassium intake in most countries is well below the recommended daily amount. But if consumers ate more potassium-rich foods and also reduced their salt intake, the annual global death toll from strokes could be cut by more than a million a year.
Strokes, which are usually caused when a clot forms and blocks the blood supply to the brain, kill around 200 people every day in the UK. Many more are left disabled and in danger of a second or even third attack which could kill them. Treating and looking after the 100,000 people affected by strokes each year in the UK costs the NHS an estimated ?2.3 billion. Cars made from pineapples and bananas could be on the roads in as little as two years, claim scientists.
In what promises to be the ultimate green development, researchers in Brazil have used fibres from the plants to create a new generation of super-strong car bodies.
They believe the material may in future not only be used to build car bodies, but also engine parts. The plastics, which are strengthened by the fruit fibres, are already being tested by manufacturers who believe they could be used in cars within two years. Dr Alcides Leao, from Sao Paulo State University, said reinforcing plastic with microscopic fibres from delicate fruits such as pineapples and bananas made them super-strong. Some of the fibres were almost as stiff as Kevlar, the super-strong material used to make bullet-proof vests and lightweight armour, he said.
The fibre-reinforced plastics are also more impervious to heat, spilled petrol, water and oxygen than ordinary automotive plastics. These ultra-thin fibres can be used to strengthen other materials in the same way that glass fibre is produced by embedding fine strands of glass in plastic.
Dr Leao has been working with unusual plant fibres to make plastics that are stronger, lighter and more eco-friendly than those now in use. Among the most promising raw materials are pineapple leaves and stems, and curaua, a plant related to the pineapple that is cultivated in South America. Other good sources of nano-cellulose were bananas, coir fibres found in coconut shells, sisal fibres from the agave plant, and fique, another plant related to pineapples.
Although the process is costly, it takes just one pound of nano-cellulose to produce 100lb of super-strong, lightweight plastic, said the scientists. Scientists at Qatar University claim to have developed artificial clouds to provide shade for stadia and training grounds at the 2022 World Cup.
The fierce summer heat in the Gulf has led to concerns about conditions for players and fans at the tournament. Qatar were announced as hosts in December, and Fifa president Sepp Blatter initially said he expected the 2022 competition to be moved to winter.
But Blatter has since stated that he feels the tournament will go ahead as planned in the summer months. Qatar plan to air condition their World Cup stadia via solar power, and now scientists have designed the 'clouds', which can be produced at a cost of $500,000 (about ?310,000) each. Saud Abdul Ghani, head of the mechanical and industrial engineering department at the university, said the 'clouds' are made from a lightweight carbon structure, and carry a giant envelope of material containing helium gas. Qatari president of the Asian Football Confederation Mohammed Bin Hammam, who will stand against Blatter for the Fifa presidency in June, has said his country is "well equipped to challenge the summer heat". But global players' football union FIFPro backed a switch to winter, saying the Gulf country "does not provide suitable conditions for a festival of football such as the World Cup". Qatar beat Australia, Japan, South Korea and the United States to host the tournament in the vote held by Fifa's executive committee on 2 December 2010 in Zurich.
The earliest rocks to form in the Solar System more resembled candy floss than the hard rock that we know today, scientists have claimed. Researchers made the discovery after highly detailed analysis of a meteorite fragment from the asteroid belt between Jupiter and Mars.
The 'carbonaceous chondrite' fragment was originally formed in the early Solar System when microscopic dust motes gathered around larger one millimetre grain particles.
In the days of King Arthur, Merlin, the famous enchanter, was out on a journey, and stopped one day at the cottage of an honest ploughman to ask for refreshment.  The ploughman’s wife brought him some milk in a wooden bowl, and some brown bread on a wooden platter. Soon afterwards a spider, taking poor Tom for a big fly, made a spring at him.  Tom drew his sword and fought valiantly, but the spider’s poisonous breath overcame him. King Thunstone and his whole court went into mourning for little Tom Thumb.  They buried him under a rose-bush, and raised a nice, white marble monument over his grave. Top of FormBottom of FormThis idea of faux trees has taken root in Massachusetts with an urban tree competition called Boston Treepods 2011. Sponsored Links Composed of recycled plastic bottles, the treepods utilize a carbon dioxide-removal technique called "humidity swing" that helps clean the air.These air-filtering faux trees look like giant futuristic urban lamps that light up at night in multiple colors. This brilliant Brit's career as a theoretical physicist has focused on solving one doozy of a mystery. Apple's CEO and co-founder helped change the way we listen to music, enjoy movies and share information.
Thanks to the 26-year-old creator and CEO of Facebook, people all around the world have gotten connected, and the company is now worth billions. This British computer scientist is credited with inventing the World Wide Web and continues to oversee its expansion. This is the price (excluding shipping and handling fees) this seller has provided at which the seller has sold the same item, or one that is virtually identical to it, in the recent past. This item will be posted through the Global Shipping Program and includes international tracking.
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Defective items MUST BE reported and returned to us within the warranty period (and in the original packaging, if possible). You have read and agree to the Global Shipping Program terms and conditions - opens in a new window or tab. Import charges previously quoted are subject to change if you increase you maximum bid amount. The hope was that if the monkeys lived longer, healthier lives by eating a lot less, then maybe people, their evolutionary cousins, would, too.
Much of the earlier research on aspirin focused on colon cancer.“This is another piece of evidence suggesting aspirin does seem to have this effect against cancer across different body sites,” said Dr. The researchers are optimistic that the protein also affects how the human brain copes with life’s troubles. Another four identical kits were stored at NASA Johnson Space Center to act as the control. The authors of the study point to repackaging of drugs during pre-flight that could cause issues with humidity and oxygen variations (increasing the effect of oxidation).
Obviously, to ensure mission success, a huge amount of research will need to go into the effects of prolonged human exposure to microgravity and high-radiation environments. And that raises an important, if gruesome question: What would happen to you if you were sucked into the atmosphere at 30,000 feet? At the same time, temperatures of -70 degrees Fahrenheit (-57 degrees Celsius) -- made even colder by the chill of 500 mile-per-hour (805 kilometer-per-hour) winds -- would lead to rapid freezing, beginning with the skin, eyes and other surface tissues. And the sudden change in air pressure would lead to a nasty case of the bends, as if you were scuba diving and came up too fast.
Holes most often appear in military aircraft that have been struck by bullets or explosives, though there have been civilian examples. Aircraft are generally kept at an air pressure similar to what you’d find between 6,000 and 8,000 feet above sea level.
In sections of the plane that are far from the hole, winds might be mild enough to simply whisk papers around.
According to Landis’ calculations, it would take about 100 seconds for pressure to equalize through a one square-foot hole in the body of a 747. In many cases, skilled pilots can react quickly enough to land the plane safely, as in the recent Southwest incident. To find out, Jesus Aviles at the Arid Zone Research Station in Almeria, Spain, examined European rollers (Coracias garrulus) and found that the foreheads of heavier chicks reflect less UV than weaklings. They applied either a jelly containing a UV blocking agent or just jelly to the foreheads of the chicks. But recently scientists have discovered that intensive processing of wood releases ultra-small 'nano' cellulose fibres so small that 50,000 could fit across the width of a single human hair.
The cook was resolved to keep him safely this time, so clapped him into a mouse-trap.  There he was shut up for a whole week, when the King sent for him, forgave him for throwing down the furmenty, and ordered him new clothes, gave him a spirited mouse for a hunter, and knighted him. As they were riding by a farmhouse one day, a cat jumped from behind the door, seized the mouse and little Tom, ran off with them both, and was just going to devour the mouse when Tom boldly drew his sword and attacked the cat with great spirit.  The King and his nobles, seeing Tom in danger, went to his assistance, and one of the lords bravely saved him just in time, but poor Tom was sadly scratched by the claws of the cat. They can also generate energy via solar panels as well as kinetic energy created by young and old sitting on interactive seesaws attached to the base of the trees.Purists might object to the idea of creating artificial trees, saying that all we need to do is plant more trees.
His work in the field of physics -- including groundbreaking theory -- has made his name synonymous with the word "genius". Zuckerberg has become prime Hollywood fodder and has the clout to earn a presidential private audience.
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Some scientists, anticipating such benefits, began severely restricting their own diets.????? ??? ???? ?? ?? ??? ?? ??? ???? ??? ?????? ? ???? ????????? ?? ???? ????? ??? ?? ?? ?? ?????? ???? ??? ???? ??? ??? ???? ?????? ?????? ???? ?? ?? ???? ????? ?????? ?? ????? ?????? ?? ?? ?? ???? ??? ?? ????? ?????? ????? ??? ???? ?????.
But by far the biggest impact is most likely the higher-than-normal radiation levels in orbit when compared to the ground.
Likewise, as this study shows, we can't take modern medicine for granted; it is as vulnerable to the ravages of space as the men and women it is designed to protect and cure.
In 1988, for example, Aloha Airlines flight 243 lost a large section if its roof at 24,000 feet.
At a cruising altitude of 30,000 feet, pressure outside of the plane is about two and a half times lower than what passengers experience on the inside. People sitting next to a hole this size would face a half a ton of force barreling against them in the direction of the hole. At least these treepods would be up and running, so to speak, long before new trees can provide the same amount of oxygen to a geographic location.SHIFTboston is aiming to "plant" the prototype treepod by early 2012. And, Wagner suggested, if the hole is caused by something small like a bullet, slap a book or airline magazine over it.

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