Thursday, January 3, 2013

Interactive: Do you look like America?

By Chris Wilson

Every few years, the Census releases its projections for how many people of every possible combination of age, sex, race and ethnicity will live in the United States over the next half century. Curious how many 35-year-old female Hispanic American Indian/Alaskan Natives there will be in 2045? I can tell you. It?s 17,632.

One might scoff at this sort of datum. How could the Census Bureau possibly know what medical advances will prolong our lives over the next 33 years? Or what geopolitical currents will shift immigration patterns? And what about the robot apocalypse? Will the robots prey on every age group with statistical uniformity?

The Census doesn?t know, of course. A projection is a portrait of what the country will look like if present trends persist exactly as they are now: if babies are born to parents of different races at the same rates, immigration is unchanged, and people?s life spans adhere precisely to the unforgiving mathematics of decline. No one, including the Census Bureau, believes this will happen.

When your mother says, ?Keep eating like that and you?ll have a heart attack when you?re 50,? she is not predicting the future. She is commenting on your present behavior. Population projections have the same effect: They don?t tell us much about the distant future, but they tell us a surprising amount about the present.

?The idea is that if all of the assumptions were to come true, that is what we would expect the population to be at that future point in time,? says Census demographer Jennifer Ortman, who led the team that produced the projections.

In the interactive below, you can track the predicted population for any demographic profile, based on the figures released last month. Each line represents people born in a single year. You can drag the sliding bar back and forth to examine individual years of birth.

If the line rises, it is due to immigration (there is no method by which people of a given age otherwise materialize from thin air). Lines tend to tick up at the end because the Census groups everyone who is 100 or older together, and there tend to be more of them than there are 99-year-olds.

If this view is too morbid for you?I?d like to think I have more than a 3-in-4 shot at being a vibrant, dashing 77-year-old in 2060?you can switch the view in the upper right-hand corner to ?by age,? which shows a different view: How many people of an exact age, race, ethnicity and sex will live in America in the next five decades? Rather than, for example, track people who are 37 right now, this tracks the number of 37-year-olds there will be each year going forward.

I find this more interesting, because it shows us waves of births and captures the rise or decline of a given slice of the population independent of time?s cruel recall. There will be twice as many 72-year-olds in 2060 as there are today, for example?a fact that starkly captures the reality of our aging population. Dragging the bar to age zero shows projected births. Dragging it to 65 shows us that, in the next several years alone, the number of newly eligible retirees will spike dramatically.

When we look at these projections, we?re visited by the Ghost of Census Future?not, perhaps, attended by the same terror as Scrooge encountered, but with the same knowledge that what we?re really seeing is the present.

Source: http://news.yahoo.com/census-projections-interactive-how-many-people-like-me-044411382.html

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This Birdhouse Tile Makes the Most of Your Roof

This charming little roof tile is designed to encourage bird populations in urban areas—but its charm lies in the way it makes the most of an often-neglected space. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/AD_ogTfs7T4/this-birdhouse-tile-makes-the-most-of-your-roof

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Wednesday, January 2, 2013

NASA's Curiosity Rover Has a Special Message for You This New Year

It's New Years. Balls will be dropped. Kisses will be kissed. Bubbly will be drunk drank drunken dranked consumed. But that's all normal. This year there's something different: a message from Mars, apparently. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/p-xY73qhCJQ/nasas-curiosity-rover-has-a-special-message-for-you-this-new-year

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NASA Releases New Photos of Saturn's Rings and Clouds

Why are so few of the Cassini pictures in color?

Creating color images is a complex task requiring much more labor and computer time than black and white images. This is because all Cassini images are recorded in black and white. The camera records the amount of light (not the color of the light) coming through a filter in front of the sensor. It is the filters that come in color.

To create color images scientists take three black and white images of the same target with the red, green, and blue (RGB) filters. In other words, one image records the amount of red light (using a red filter), another records the amount of green and one the amount of blue light (using green and blue filters respectively). Color renditions of the scene are then constructed on the ground by combining images taken with the different filters.
Unfortunately, these three images are not taken simultaneously. Consequently, intricate fitting and geometric transformations are needed to construct the color image because the spacecraft, planet, rings and moons have all moved a little during the time it takes to record the images using the different filters.

What controls when a picture is taken?

The scientists determine this when they do the observation designs. The path of Cassini is known, as are the paths of the Saturn's moons, so it's a matter of looking at the varying geometry with time and selecting the camera pointing directions and shuttering times that will gather the most scientifically interesting images. These commands are then built into sequences that are sent to the spacecraft from days to weeks in advance of the observations.

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/cEjcEd87Ex8/story01.htm

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Coaching The Coach > Free Business Ebook - Free-Ebooks-Canada

Free Business ebook ?Coaching The Coach? covers Coaching Basics, Build Your Own Confidence First, Choosing A Niche, Do You Need Certification, Setting Fees, Getting Clients, Using A Trial Session and Teaching Others To Be A Coach. Personal Use. Click ?Coaching The Coach? to download (383 KB pdf) or view this free Business ebook.

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Source: http://free-ebooks-canada.com/?p=6307

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Tuesday, January 1, 2013

Brazil debates treatment options in crack epidemic

In this photo taken Dec. 21, 2012, former soldier Bobo sits on an armchair after collecting recyclables at a slum in Rio de Janeiro, Brazil. Bobo spends his day sorting through trash for recyclables to sell. At night, he turns the day's profit into crack. With a boom in crack use over the past decade, Brazilian authorities are struggling to help such users and stop the drug's spread, sparking a debate over the legality and efficiency of forcibly interning users. (AP Photo/Felipe Dana)

In this photo taken Dec. 21, 2012, former soldier Bobo sits on an armchair after collecting recyclables at a slum in Rio de Janeiro, Brazil. Bobo spends his day sorting through trash for recyclables to sell. At night, he turns the day's profit into crack. With a boom in crack use over the past decade, Brazilian authorities are struggling to help such users and stop the drug's spread, sparking a debate over the legality and efficiency of forcibly interning users. (AP Photo/Felipe Dana)

In this photo taken Dec. 8, 2012, a man hold narcotics at a drug selling point in a slum of western Rio de Janeiro, Brazil. The South American country began experiencing a public health emergency in recent years as demand for crack boomed and open-air ?cracolandias,? or crack lands, popped up in the sprawling urban centers of Rio and Sao Paulo, with hundreds of users gathering to smoke the drug. The federal government announced in early 2012 that more than $2 billion would be spent to fight the epidemic, with the money spent to train local health care workers, purchase thousands of hospital and shelter beds for emergency treatment, and create transitional centers for recovering users. (AP Photo/Felipe Dana)

In this photo taken Dec. 21, 2012, former soldier Bobo smokes crack in his home at a slum in western Rio de Janeiro, Brazil. Bobo spends his day sorting through trash for recyclables to sell. At night, he turns the day's profit into crack. With a boom in crack use over the past decade, Brazilian authorities are struggling to help such users and stop the drug's spread, sparking a debate over the legality and efficiency of forcibly interning users. (AP Photo/Felipe Dana)

In this photo taken Dec. 21, 2012, former soldier Bobo leans against a wall after smoking crack in his home at a slum in western Rio de Janeiro, Brazil. Bobo spends his day sorting through trash for recyclables to sell. At night, he turns the day's profit into crack. With a boom in crack use over the past decade, Brazilian authorities are struggling to help such users and stop the drug's spread, sparking a debate over the legality and efficiency of forcibly interning users. (AP Photo/Felipe Dana)

In this photo taken Nov. 22, 2012, an alleged crack addict checks an out-of-commission laptop in Rio de Janeiro, Brazil. The South American country began experiencing a public health emergency in recent years as demand for crack boomed and open-air "cracolandias," or crack lands, popped up in the sprawling urban centers of Rio and Sao Paulo, with hundreds of users gathering to smoke the drug. The federal government announced in early 2012 that more than $2 billion would be spent to fight the epidemic, with the money spent to train local health care workers, purchase thousands of hospital and shelter beds for emergency treatment, and create transitional centers for recovering users. (AP Photo/Felipe Dana)

(AP) ? Bobo has a method: Cocaine gets him through the day, when he cruises with a wheelbarrow around a slum on Rio's west side, sorting through trash for recyclables to sell. At night, he turns the day's profit into crack.

"Sometimes I don't sleep at all; I'm up 24 hours," says Bobo, a former soldier who doesn't use his given name for safety reasons. "I work to support my addiction, but I only use crack at night. That drug takes my mind away. I lose all notion of what I'm doing."

Bobo says balancing crack with cocaine keeps him working and sane. On the shantytown's streets, life can be hell: Addicts unable to strike Bobo's precarious balance use crack day and night, begging, stealing, prostituting themselves, and picking through trash to make enough for the next hit. For them, there's no going home, no job, nothing but the drug.

With a boom in crack use over the past decade, Brazilian authorities are struggling to stop the drug's spread, sparking a debate over the legality and efficiency of forcibly interning users. Brazil today is the world's largest consumer of both cocaine and its crack derivative, according to the Federal University of Sao Paolo. About 6 million adults, or 3 percent of Brazilians, have tried cocaine in some form.

Rio de Janeiro has taken the lead in trying to help the burgeoning number of users with an approach that city leaders call proactive, but critics pan as unnecessarily aggressive. As of May 2011, users living in the streets have been scooped up in pre-dawn raids by teams led by the city's welfare department in conjunction with police and health care workers. By Dec. 5, 582 people had been picked up, including 734 children.

The sight is gut-wrenching. While some people go meekly, many fight, cry, scream out in desperation in their altered states. Once they're gone, their ratty mattresses, pans, sweaters and few other possessions are swept up by a garbage removal company.

Adults can't be forced to stay in treatment, and most leave the shelters within three days. But children are kept in treatment against their will or returned to parents if they have a family. In December, 119 children were being held in specialized treatment units.

Demand for crack has boomed in recent years and open-air "cracolandias," or "crack lands," popped up in the urban centers of Rio and Sao Paulo, with hundreds of users gathering to smoke the drug. The federal government announced in early 2012 that more than $2 billion would be spent to fight the epidemic, allotting money to train health care workers, buy thousands of hospital and shelter beds, and create transitional centers for recovering users.

Mobile street units stationed near cracolandias are among the most important and visible aspects of the government's approach. The units, housed in metal containers, bring doctors, nurses, therapists and social workers to the areas where users concentrate. Slowly, by offering health care and other help, the units' workers gain the trust of users and refer them to treatment centers.

Studies suggest the approach can work: 47 percent of the crack users surveyed in Sao Paulo said they'd welcome treatment, according to the Federal University of Sao Paulo study.

Ethel Vieira, a psychologist on the raid team, thinks their persistence is paying off.

"Initially, they'd run away, react aggressively, throw rocks," she said of users. "Now most of them understand our intention is to help, to give them a chance to leave the street and to connect with the public health network."

Human rights groups object to the forced commitment of children, saying treatment delivered against the will of patients is ineffective. They also oppose the sweeps, which they describe as violent.

"There are legal procedures that must be followed and that are not being followed. This goes against the law and is unconstitutional," Margarida Pressburguer, head of the Human Rights Commission for Brazil's Association of Attorneys, said during a debate last year.

Rio Mayor Eduardo Paes suggested in October that the city would start forcing adults into treatment. "A crack addict isn't capable of making decisions," Paes said from the Jacarezinho shantytown in the week after police stormed the area and seized control of what was then Rio's largest cracolandia.

The Rio state Attorney General's Office responded by telling city officials "the compulsory removal of adults living in the streets has no legal foundation." It said adults can be committed only when they become a danger to themselves or others and outpatient treatment options have run out.

"They give us a place to sleep, food, clothes, everything," said Bobo. "I've been picked up by the city and I liked it. They are doing this for our good."

But even as Bobo endorsed the city's approach, a friend was stepping over to the drug stand for more cocaine. Bobo asked for $5 worth of drugs ? cocaine for now, crack for later. Then he rolled up a bill and dumped a small mound of white powder in his palm for snorting.

With a nose full of cocaine, he set off, ready for another day.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2012-12-31-Brazil-Crack%20Epidemic-Photo%20Pkg/id-f64e5f5cccea4f4387bb5313ac079961

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U.S. House aims to split Sandy aid bill into two parts (reuters)

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