Monday, November 28, 2011

After five months in space, ISS astronauts land in Kazakhstan

A trio of astronauts in a Russian Soyuz capsule parachuted back to Earth Tuesday, touching down on a frigid, snowy steppe in Central Kazakhstan.?

Three astronauts inside a Russian Soyuz capsule parachuted safely back to Earth Tuesday after nearly six months on the International Space Station (ISS), the first landing since NASA retired its space shuttles this summer.

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U.S. astronaut Mike Fossum, Japan's Satoshi Furukawa and Russian cosmonaut Sergei Volkov landed at 0226 GMT, shortly before sunrise on the snowbound steppe of central Kazakhstan, NASA TV showed.

"The landing was great. Everything's good," said Volkov, flashing a thumbs-up signal after he was extracted from a Soyuz TMA-02 capsule blackened by the extreme temperatures on re-entry to the atmosphere.

The closure of NASA's shuttle program means Russian spaceships are the only way to ferry goods and crews to and from the $100-billion ISS, which is shared by 16 nations, until commercial firms develop the ability to transport crews.

Russia hopes the textbook landing will help to restore confidence in its space program after the August crash of an unmanned Russian cargo flight suspended manned spacemissions.

The returning crew have been replaced in orbit by NASA's Daniel Burbank and Russians Anton Shkaplerov and Anatoly Ivanishin, whose successful launch last week allayed fears that the station would be left empty for the first time in a decade.

But the troubles have left the space station with half the usual handover time. The new crew had only six days with the outgoing astronauts to get up to speed on the quirks of life in space and the station's operations.

NASA said the Soyuz capsule had landed on its side, not unusual in windy conditions, about 90 km (55 miles) north of the town of Arkalyk. Temperatures at the landing site were 15 degrees Celsius below zero.

The three-man crew had spent 167 days in space and their return to Earth took about three-and-a-half hours.

Volkov, huddled in a thermal blanket, is a second-generation cosmonaut and was following in the footsteps of his father, NASA said. It called him: "a rising star in the cosmonaut corps."

Fossum, second to emerge from the capsule, called his loved ones by satellite phone from the landing site. Furukawa, a 47-year-old professional surgeon, was last to emerge. An assistant mopped sweat from his brow.

After initial medical checks in an inflatable tent on site, the returning crew will be taken be helicopter to the city of Kostanai in northern Kazakhstan.

The ISS will regain full, six-person occupancy with the late December launch of U.S. astronauts Don Pettit, cosmonaut Oleg Kononenko and Andre Kuipers of the European Space Agency.

(Additional reporting by Dmitry Solovyov; Editing by Myra MacDonald)

Source: http://rss.csmonitor.com/~r/feeds/science/~3/3wyPL3HupoU/After-five-months-in-space-ISS-astronauts-land-in-Kazakhstan

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Sunday, November 27, 2011

Video: Black Friday marred by violence



>>> what was a violent start to the holiday shopping season. kristin dahlgren has the latest.

>> on youtube, pictures of the quest for door busters again turning dangerous. in porter ranch , california, police say a woman pepper sprayed fellow walmart shoppers so she could get an an xbox.

>> people were screaming and kids were on the floor.

>> 20 people were injured and police spent the day looking for a suspect. at a walmart in northern california , one man is in critical condition after a shooting. an apparent attempted robbery of his black friday bargains.

>>> is a south carolina walmart, one woman was hospitalized after another attempted robbery and shooting.

>> we heard gunshots, about five of them.

>>> in oneida county , new york, one woman was taken away.

>> they cut the thing and there's 200 people on top of my mom.

>> in a statement, walmart said overall it's been a very safe event at the walmart stores , but added they are always looking to do things better.

>>> pepper spray was used in one walmart by store security. . in buckeye, arizona, questions about excessive force on an elderly man authorities suspected of shoplifting. leaving many to wonder whether the battle for bargains was worth the cost.

Source: http://video.today.msnbc.msn.com/today/45444197/

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Environmental programs fall victim to budget cuts (AP)

BOISE, Idaho ? When lightning ignited a wildfire near Idaho's Sun Valley in 2007, environmental regulators used monitoring gear to gauge the health effects for those breathing in the Sawtooth Mountains' smoky, mile-high air.

That equipment sits idle today after the Idaho Department of Environmental Quality was hit by $4 million in spending cuts, a quarter of its budget, since the recession began. Water testing on selenium-laced streams in Idaho's phosphate mining country also has been cut back, as have mercury monitoring and hazardous waste inspections.

The cuts to environmental programs in Idaho provide a snapshot of a national trend. Conservation programs and environmental regulations have been pared back significantly in many states that have grappled with budget deficits in recent years.

Because environmental programs are just a sliver of most state budgets, the cuts often go without much public notice. More attention is focused on larger reductions in Medicaid, public education or prisons.

A 24-state survey by the Environmental Council of States, the national association of state environmental agency leaders, showed agency budgets decreasing by an average of $12 million in 2011. The Washington, D.C.-based group also says federal grants to help states administer new federal Environmental Protection Agency rules regarding air and water quality also have waned, falling by 5.1 percent since 2004.

Regulators in many states say they are trying to maintain fundamental environmental protections required by the Clean Water Act, Clean Air Act and other federal laws.

"Hopefully, even with all the cuts in place, we're still doing a good job of protecting that," said Martin Bauer, Idaho's air quality administrator.

Yet environmentalists and some state regulators are concerned that the budget cuts imperil programs designed to safeguard public health and safety.

In Texas, Gov. Rick Perry, a Republican presidential candidate, signed a budget that cut funding for the Texas Commission for Environmental Quality more than 30 percent, from $833 million to $565 million. That included reducing air quality inspections and assessments.

Colin Meehan, of the Environmental Defense Fund in Austin, worries that Texas will struggle to meet Clean Air Act obligations.

"We see this as not just a problem from a regulatory standpoint," he said. "It's a public health issue."

While the Texas agency reduced state incentive programs to cut pollutants, those were not required by federal law, agency spokeswoman Andrea Morrow said. The reductions "are only one part of the state's overall approach" to paring emissions, she said.

In some states where conservatives control the Legislature and the governor's office, environmentalists have been critical of deep cutbacks to the programs they had fought to implement. Some suggest the severity of the cuts is due as much to a political agenda to reduce government regulations as it is to cope with state budget deficits.

Florida Gov. Rick Scott's first budget included his veto of a $500,000 water quality study on Lake Okeechobee and some $20 million in cuts to Everglades' restoration. Scott, a Republican, said the steps were necessary to balance a state budget hard hit by home foreclosures and real estate losses.

But the Republican-dominated Florida Legislature also cut $210 million from property tax revenue intended for local water-management districts that protect Florida's swamplands. Environmentalists blasted those cuts, complaining they were meant to help Scott fulfill pledge to cut taxes.

"It would have been appropriate for there to have been some level of budget reductions," Audubon of Florida advocacy director Charles Lee said. "But it's clear what happened in Tallahassee in 2011 was targeted, ideologically driven, and I would add, mean-spirited."

Scott insists his administration uncovered overly generous pension payments and questionable purchases by the local water districts. He said water resources deserve protecting, but the agencies that oversee them also must be fiscally responsible.

Budget cuts have affected high-profile programs in several other states, as well.

In South Carolina, they mean health officials will not perform a statewide study of how mercury-tainted fish affect those who eat them. Contaminated fish have been found in some 1,700 miles of the state's rivers. That state's Department of Natural Resources' budget was cut more than 50 percent, dropping to $14 million from $32 million.

The state Department of Environmental Protection in Pennsylvania has seen general fund support slip from $217 million in 2009 to $140 million, levels last seen in 1994.

"This is a silent train wreck that's happening," said David Hess, the former secretary of the Pennsylvania Department of Environmental Protection. "What these cuts do is cut the capacity and the ability of environmental agencies to do their jobs."

At best, states will know less about how their air and water quality are faring. At worst, they could become dirtier and more dangerous places to live, Hess said.

Oregon, for example, reduced air pollution monitoring, as the Department of Environmental Quality faces budget cuts through 2013. In North Carolina, lawmakers eliminated a $480,000 mapping program created after a landslide killed five people in 2004, jettisoning the jobs of six geologists who said more maps were needed to help protect Appalachian mountain residents by helping them decide where it is safe to build.

"It's very shortsighted," said DJ Gerken, senior attorney at the Southern Environmental Law Center in Ashville, N.C. "We've had 48 landslide deaths since 1916. What's changed is the appetite for building in these areas where risks are most abundant."

In some cases, it's difficult to know what effect the spending cuts will have over the long term because environmental problems often evolve over time.

When Washington's Legislature trimmed $30 million, or 27 percent, from the state Department of Fish and Wildlife's budget, three employees who had been diving in the Puget Sound to hunt down invasive sea squirts lost their jobs.

The gelatinous invaders, known as tunicates, form a goopy mat on the sea floor, raising fears that they will hurt the shellfish industry, as they have in eastern Canada.

"We are basically addressing tunicates on an emergency basis only," said Allen Pleus, Washington state's aquatic invasive species coordinator.

While the state's oyster growers will not rule out the potential for future problems caused by the sea squirts, they say they do not see an immediate threat to their livelihoods.

"There isn't any place I'm aware of that the tunicates are causing harm on the shellfish farms," said Bill Dewey, of Taylor Shellfish Farms in Shelton, Wash.

Elsewhere, budget cuts to invasive species programs have caused more alarm.

The Hawaii Invasive Species Council, a main player in that state's fight against non-native plants and animals, saw its budget cut by more than half to $1.8 million.

Fearing "a collapse of our inspection capacity," spokeswoman Deborah Ward said her agency redirected 40 percent of its remaining money to preserve inspections that help keep invasive pests such as brown tree snakes from hitchhiking their way into the islands from Guam. Hawaii has no native snakes, so experts fears their arrival could decimate native bird species.

As the money was shifted, however, the state cut back on field crews who targeted invasive species already on the islands. Those include pigs, wild goats and sheep that can decimate an ecosystem full of plants that evolved without natural protections, like thorns.

"They're like bonbons for pigs," Christy Martin, a spokeswoman for the Coordinating Group on Alien Pest Species in Honolulu, said of the state's native plants. "If there's nobody out there actually doing the work, you get astronomical reproduction. We have a year-round breeding season here, so everything goes crazy, and you lose ground."

___

Associated Press writers Emery P. Dalesio in Raleigh, N.C.; Jim Davenport in Columbia, S.C.; Bill Kaczor in Tallahassee, Fla.; Audrey McAvoy in Honolulu; Philip Rawls in Montgomery, Ala.; and Chris Tomlinson in Austin, Texas, contributed to this report.

Source: http://us.rd.yahoo.com/dailynews/rss/science/*http%3A//news.yahoo.com/s/ap/20111126/ap_on_re_us/us_broken_budgets_environment

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Good Reads: Pakistan summons outspoken envoy Haqqani, Kenya's Somali operation

Pakistan's envoy to the US, Ambassador Husain Haqqani, explains why Pakistan cannot simply clear out militants from its mountainous regions, while Kenya marches into Somalia to try a similar task.

Pakistan?s ambassador to the United States dropped by for breakfast with The Christian Science Monitor yesterday, and explained why Pakistan simply can?t go into its mountainous regions and clear out terrorists the way that Macy?s, for instance, can clear out its fall collection to make way for the winter.

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The reason, Ambassador Husain Haqqani told reporters at the weekly Monitor breakfast, is that launching the kinds of assaults that it previously conducted in South Waziristan and the Swat Valley tends to stir up local resentment against the government and support for Islamist militant groups like the Tehrik-i Taliban Pakistan and Gulbuddin Hekmatyar?s Hizb-i Islami.

As Monitor correspondent Howard LaFranchi writes:

Haqqani said Wednesday that US officials now understand better Pakistan?s internal constraints in confronting some groups. He listed two red lines that Pakistan has laid down with the US concerning what it will and won?t do in the battle with terrorism: Pakistan won?t act in ways that involve ?taking risks with our own internal cohesion,? he said, or that would pose ?risks to our own national security.?

The downside of that approach for Pakistan is that it virtually guarantees that the strikes by unmanned US drones will continue and even increase.

And unfortunately, the downside of speaking too frankly to reporters is that sometimes you make your bosses upset. This may or may not have happened with Mr. Haqqani, who was summoned home to Islamabad just hours after speaking at the Monitor breakfast. Pakistani officials insist this is just a routine visit.

With the US seemingly unable to clear out antigovernment militants in Afghanistan ? and Pakistan apparently unwilling to do so in Pakistan ? one wonders why a government like Kenya would want to send its troops into Somalia to carry out a very similar mission. On Oct. 16, Kenya?s military moved into neighboring Somalia after a continuing string of pirate attacks and kidnappings began to take a toll on Kenya?s foreign trade and tourism business.

Source: http://rss.csmonitor.com/~r/csmonitor/globalnews/~3/4vwZ31EJvj0/Good-Reads-Pakistan-summons-outspoken-envoy-Haqqani-Kenya-s-Somali-operation

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Saturday, November 26, 2011

Morocco Islamists poised to win parliamentary vote (Reuters)

RABAT (Reuters) ? Morocco's moderate Islamist PJD party is on course to win a parliamentary election, partial results showed on Saturday, in what would be the second victory for Islamists in the region in the wake of the "Arab Spring" uprisings.

Incomplete results from Friday's vote indicate that the PJD will lead a coalition government in partnership with the secularist party of the outgoing prime minister and two other groups.

Tunisia, birth-place of the Arab Spring, sent ripples through the Middle East last month when a moderate Islamist movement won the country's first democratic election.

Morocco has not had a revolution of the kind seen elsewhere in the region, with its ruler, King Mohammed, still firmly in charge.

But he has pushed through limited reforms to head off a revolt, and the PJD has benefited from a resurgence for Islamists sweeping the region.

The party has said it will promote Islamic finance though it will steer clear of imposing a strict moral code on society and is loyal to the monarch.

Announcing the partial count from Friday's election, Interior Minister Taib Cherkaoui told a news conference the PJD was on course to be the biggest contingent in parliament.

With results known for 288 seats in the 395-seat parliament, the PJD had 80 seats, said Cherkaoui, whose ministry organized the election. The Istiqlal party, headed by outgoing prime minister Abbas Al Fassi, was in second place with 45 seats, he said.

Asked if his party was willing to form a coalition with the PJD, Al Fassi told reporters: "Yes, yes. The PJD's victory is a victory for democracy."

The partial count gives the PJD, Istiqlal and two smaller parties -- which said before the election they would govern as a coalition if they won -- a total of 170 seats in parliament, just short of a majority.

Their rivals, a grouping of eight liberal parties with close ties to the royal palace, lagged behind with about 112 seats, according to the partial vote.

"TEMPLATE" FOR ARAB MONARCHIES

Under new rules introduced earlier this year as part of a package of constitutional reforms backed by the king, the biggest party in parliament nominates the prime minister.

Morocco's election is being closely watched by other Arab monarchies for clues on how to respond to the "Arab Spring" without relinquishing their hold on power.

Morocco says it can serve as a template for a gradual approach to reform, instead of the convulsions seen in countries like Libya and Syria.

Since his enthronement in 1999, King Mohammed has won international praise for his effort to repair a dark legacy of human rights abuses under the 38-year rule of his father King Hassan. The reform drive of his earlier years in power has lost momentum in the last few years.

When demonstrations inspired by the Arab Spring flared in February, he revived the reform process with constitutional amendments that took much momentum out of the protest movement.

He ceded some of his powers to elected officials, while keeping the final say on issues of defense, national security and religion.

But there remains a vocal minority who say his reforms are not enough. Thousands of people joined protests in several cities last weekend to back calls for a boycott of the election.

(Writing by Christian Lowe and Souhail Karam; Editing by David Cowell)

Source: http://us.rd.yahoo.com/dailynews/rss/africa/*http%3A//news.yahoo.com/s/nm/20111126/wl_nm/us_morocco_election_islamists

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PFT: Packers' Walden arrested for assault

Detroit Lions v Miami DolphinsGetty Images

Criticism of Lions defensive tackle Ndamukong Suh is coming from all corners, including a college teammate of Suh?s who says it?s time for a suspension.

Jets guard Matt Slauson, who played with Suh at Nebraska, told Bart Hubbuch of the New York Post that the NFL should suspend Suh because fines haven?t curtailed his on-field misbehavior and, Slauson says, ?he?s out of control.?

?Somebody needs to get him under control, because he?s trying to hurt people,? Slauson said. ?It?s one thing to be an incredibly physical player and a tenacious player, but it?s another thing to set out to end that guy?s career.?

Suh and Slauson lined up against each other in practice, and Nebraska practices frequently featured problems related to Suh?s temper getting the best of him, Slauson told Hubbuch.

Although Suh was one of the best defensive tackles in college football history ? being named Associated Press College Football Player of the Year and winning the Bronko Nagurski Trophy, Chuck Bednarik Award, Lombardi Award and Outland Trophy in addition to being a finalist for the Heisman Trophy ? Slauson says his teammates didn?t like him. And he says people at Nebraska like Suh even less now that he?s making the football program look bad with his tactics in the NFL, including stepping on an opponent on Thanksgiving, resulting in an ejection.

This isn?t the first time Slauson has indicated he didn?t particularly enjoy being Suh?s teammate. Asked about the then-rookie for the Lions a year ago, Slauson said, ?I wouldn?t say me and Suh were best friends. There were times we got in fights during spring ball, during camp. Emotions go, you get tired and Suh just happened to be the guy I was going against.?

It seems that pretty much everyone is fed up with Suh right now. The next question is whether Roger Goodell is so fed up that Suh is suspended.

Source: http://profootballtalk.nbcsports.com/2011/11/25/packers-linebacker-erik-walden-arrested/related

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Friday, November 25, 2011

A Taste of Science for Turkey Day

It?s Thanksgiving, and the Time Lord and I have repaired to Las Vegas for our annual holiday tradition of poker, spa treatments, shopping, and dining ? including the obligatory Thai meal at Lotus of Siam. (Yeah, okay, mostly I hole up in the room and write whatever fun stuff I never have time to work on normally. Color me a workaholic.)

But let?s jump into the WayBack Machine to my salad days as a young 20-something freshly arrived in New York City. It was the first Thanksgiving away from family not just for me, but several of my fellow transplants. We decided to make our very own traditional Thanksgiving meal, complete with candied yams, pumpkin pie, and a delicious roast turkey.

There was just one catch: none of us had ever cooked a turkey before. And at the time, Google did not exist. (Gasp! I know, right?) But really, how hard could it be?? Famous last words. This is what our combined efforts to cook that darned turkey looked like after just the first hour:

We ended up ordering Chinese (actually something of a NYC tradition for both Thanksgiving and Christmas). Perhaps you, too, are facing the challenge of preparing a full traditional Thanksgiving dinner, and you?re still haunted by the disastrous attempts of yesteryear. Fear not! Science can help answer the pressing question of how best to cook a turkey to achieve the highest degree of yumminess.

For instance, celebrity chef Alton Brown has his own unique approach to turkey preparation: deep fry the sucker! All you need is a big enough vat of grease, and a special contraption to ensure you can lower the entire turkey into the vat from a safe distance. This is particularly critical if said turkey happens to be frozen at the time. When Brown did this for his TV show, fire ensued. But it did result (eventually) in a delicious meal. Here?s Brown recapping that experiment for a rapt audience at Google:

That?s one spectacular method of turkey preparation, but it?s not for everyone ? certainly William Shatner loves his, but advocates safety first.

Most of us prefer the standard gas or electric oven method. But even then, there are some science-based secrets to bringing out the best in your bird. Brown mentions brining at the start of his video. It just so happens that brining is key to a moist, succulent bird (it?s less critical for the Tofurkey favored by your local vegetarian). A couple of years ago, physicist Diandra Leslie Pelecky (a former co-blogger) put together a nice little video about salts and the underlying science of brining:

Diandra also included the following tips:

If you?re going to try brining, I recommend the original Martha Stewart recipe that got me started.? The ingredients sound a little odd, but believe me, they turn out a really tasty bird.? Pay attention to the concentration of salt and sugar in the water, though!

One hint I forgot to add in the video: It?s really important to let the brine cool before you dunk in your birds, so I like to use about 1/4 of the water to heat and dissolve the salt/sugar in, and then make up the other 3/4 of the water with ice, so the liquid cools down and you can start with the brining faster.

I recommend the scanning electron micrograph images at the Internet Microscope for Schools site for looking at the different types of salt a little closer.The Salt Institute, for everything else you ever wanted to know about salt.

Okay, so you?ve got the whole brining thing down. How long do you actually cook the turkey? Symmetry Breaking suggests you use (I kid you not) this equation from SLAC Director Emeritus Pief Panofsky: t = W(2/3)/1.5, where t is the cooking time in hours and W is the weight of the stuffed turkey, in pounds. ?The constant 1.5 was determined empirically,? Symmetry Breaking claims, and also adds this intriguing bit of trivia:

The food industry uses particle accelerators to produce the sturdy, heat-shrinkable film that Butterballs come wrapped in. When a beam of electrons from a particle accelerator hits the plastic wrapping, it causes a chemical reaction that makes the film super strong and heat resistant. The food industry purchases the treated shrink wrap from plastic manufacturers in the form of bags or rolls. A turkey gets placed inside, and voila, a fresh meal will soon grace your Thanksgiving table.

All this assumes you?re using a conventional oven, of course. Cooking for Geeks offers an intriguing option: hacking a slow cooker to prepare a turkey sous vide. Sous vide cooking is basically slow cooking at lower than usual temperatures over an extended period of time, in a vacuum. Foods are seasoned, sealed in vacuum pouches, and slowly heated in a water bath whose temperature is well below boiling, often for around 24 hours.

Maybe you?re just not game for hacking a slow cooker this holiday. Or perhaps you?re intrigued by the notion of a more environmentally friendly means of turkey preparation. If you have world enough and time, live in a region with copious sunlight, there?s always solar cookers. There?s different models, and the maximum temperatures attainable in the kind of cooker you have varies a bit.

A single-reflector solar cooker, for instance, has top temperatures of about 300 degrees F, although food usually cooks just fine at temperatures in the 200 degree F range, according to the fine folks at Solar Cooking. The higher temperatures just mean you can cook more food a little faster. The nice thing about slower cooking in a single-reflector box is that the food won?t burn after it?s done, so you can put the food in, go about your day, and come back when you?re ready to eat and find it done and kept nicely warm for your consumption. It?s like a sunlight-powered crockpot.

A more patient, thinking-ahead approach is probably a good idea, since it takes, in general, twice as long to cook something in a solar cooker than it takes in a conventional oven. Just make sure you haven?t inadvertently bought a parabolic cooker. The parabolic shape is great at focusing sunlight, hence the legend about how Archimedes used an array of mirrors in the shape of a parabola to set fire to invading Roman ships intent on conquering Syracuse. (As brilliant as Archimedes was, when the Mythbusters and a team from MIT tried this, it proved incredibly difficult.) So food cooked in a parabolic solar cooker might cook faster, but needs to be stirred and watched carefully. Which kind of defeats the purpose of just being able to put the food items in and walk away.

My personal favorite recipe for turkey preparation can be found on Cooking for Engineers: Smoked Beer Can Turkey. Our engineer chef adapted the recipe from a similar one for chicken, although a turkey is a much larger bird, and hence a standard 12-oz beer can wouldn?t suffice. What does work is a ?24-oz microkeg shaped can of Heineken.?

There?s a bunch of preparatory steps outlined in the recipe, but the idea is that inserting a beer can into the turkey?s derriere provides flavored steam to the inside of the bird as it cooks, keeping it moist and delicious.

Our friendly cooking engineer is skeptical that the beer adds flavor to the meat during the cooking process: ?If the beer is giving off steam, then most of that steam is just going to be water? most of the beer flavor will just be concentrating in the can.? Nonetheless, he included the beer, along with some crushed herbs (six chopped bay leaves and two teaspoons of dried thyme), because hey, it?s all about the principle of the thing. (Emeril, BTW, has demonstrated beer-brined chicken on his cooking show, which combines beer-can chicken with the brining process, and in that case the beer really does impart flavor to the bird.)

So there you have it: some fine science to help you prepare the best Thanksgiving turkey you can ? or at least have a lot of fun during the preparation process. And if you feel incredibly sleepy after said feast, don?t blame the tryptophan. This is an amino acid present in turkey (and various other meats and proteins) that allegedly causes drowsiness because the body uses it to make seratonin, a neutrotransmitter that has been experimentally shown to put flies to sleep.

All of which is true as far as it goes, but the reality is a bit more complicated than that. See, tryptophan is just one of several amino acids found in turkey and other protein-rich foods, all of which are competing for the shame ?shuttles? (special transport proteins) for transport beyond the blood-brain barrier. Tryptophan isn?t even the most abundant of those amino acids, so the likelihood of a significant amount of the stuff getting to your brain and making you sleepy by increasing serotonin levels are pretty slim.

Unless ? you happen to follow the turkey with a nice helping of pumpkin pie, liquid nitrogen ice cream and a hefty dollop of fresh whipped cream. A massive infusion of carbohydrates also increases serotonin in the brain, without any need for tryptophan. Dessert causes the pancreas to secrete more insulin, which helps the body?s tissues absorb glucose and most amino acids ? but not tryptophan.

This has the effect of winnowing out the competition for those protein transports to the brain, meaning more tryptophan is likely to get there, increase the synthesis and serotonin, and voila! You fall into a satisfied state of drowsiness. At which point, you may as well give in and relax with a dose of The Muppet Show. Happy Thanksgiving, everyone!

Source: http://rss.sciam.com/click.phdo?i=68f56f5cd703f2dba1c8bb2bbfcc9e69

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