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Mar. 1, 2013 ? A team led by the University of Colorado Boulder looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight -- dozens of volcanoes spewing sulfur dioxide.
The study results essentially exonerate Asia, including India and China, two countries that are estimated to have increased their industrial sulfur dioxide emissions by about 60 percent from 2000 to 2010 through coal burning, said lead study author Ryan Neely, who led the research as part of his CU-Boulder doctoral thesis. Small amounts of sulfur dioxide emissions from Earth's surface eventually rise 12 to 20 miles into the stratospheric aerosol layer of the atmosphere, where chemical reactions create sulfuric acid and water particles that reflect sunlight back to space, cooling the planet.
Neely said previous observations suggest that increases in stratospheric aerosols since 2000 have counterbalanced as much as 25 percent of the warming scientists blame on human greenhouse gas emissions. "This new study indicates it is emissions from small to moderate volcanoes that have been slowing the warming of the planet," said Neely, a researcher at the Cooperative Institute for Research in Environmental Sciences, a joint venture of CU-Boulder and the National Oceanic and Atmospheric Administration.
A paper on the subject was published online in Geophysical Research Letters, a publication of the American Geophysical Union. Co-authors include Professors Brian Toon and Jeffrey Thayer from CU-Boulder; Susan Solomon, a former NOAA scientist now at the Massachusetts Institute of Technology; Jean Paul Vernier from NASA's Langley Research Center in Hampton, Va.; Catherine Alvarez, Karen Rosenlof and John Daniel from NOAA; and Jason English, Michael Mills and Charles Bardeen from the National Center for Atmospheric Research in Boulder.
The new project was undertaken in part to resolve conflicting results of two recent studies on the origins of the sulfur dioxide in the stratosphere, including a 2009 study led by the late David Hoffman of NOAA indicating aerosol increases in the stratosphere may have come from rising emissions of sulfur dioxide from India and China. In contrast, a 2011 study led by Vernier -- who also provided essential observation data for the new GRL study -- showed moderate volcanic eruptions play a role in increasing particulates in the stratosphere, Neely said.
The new GRL study also builds on a 2011 study led by Solomon showing stratospheric aerosols offset about a quarter of the greenhouse effect warming on Earth during the past decade, said Neely, also a postdoctoral fellow in NCAR's Advanced Study Program.
The new study relies on long-term measurements of changes in the stratospheric aerosol layer's "optical depth," which is a measure of transparency, said Neely. Since 2000, the optical depth in the stratospheric aerosol layer has increased by about 4 to 7 percent, meaning it is slightly more opaque now than in previous years.
"The biggest implication here is that scientists need to pay more attention to small and moderate volcanic eruptions when trying to understand changes in Earth's climate," said Toon of CU-Boulder's Department of Atmospheric and Oceanic Sciences. "But overall these eruptions are not going to counter the greenhouse effect. Emissions of volcanic gases go up and down, helping to cool or heat the planet, while greenhouse gas emissions from human activity just continue to go up."
The key to the new results was the combined use of two sophisticated computer models, including the Whole Atmosphere Community Climate Model, or WACCM, Version 3, developed by NCAR and which is widely used around the world by scientists to study the atmosphere. The team coupled WACCM with a second model, the Community Aerosol and Radiation Model for Atmosphere, or CARMA, which allows researchers to calculate properties of specific aerosols and which has been under development by a team led by Toon for the past several decades.
Neely said the team used the Janus supercomputer on campus to conduct seven computer "runs," each simulating 10 years of atmospheric activity tied to both coal-burning activities in Asia and to emissions by volcanoes around the world. Each run took about a week of computer time using 192 processors, allowing the team to separate coal-burning pollution in Asia from aerosol contributions from moderate, global volcanic eruptions. The project would have taken a single computer processor roughly 25 years to complete, said Neely.
The scientists said 10-year climate data sets like the one gathered for the new study are not long enough to determine climate change trends. "This paper addresses a question of immediate relevance to our understanding of the human impact on climate," said Neely. "It should interest those examining the sources of decadal climate variability, the global impact of local pollution and the role of volcanoes."
While small and moderate volcanoes mask some of the human-caused warming of the planet, larger volcanoes can have a much bigger effect, said Toon. When Mount Pinatubo in the Philippines erupted in 1991, it emitted millions of tons of sulfur dioxide into the atmosphere that cooled Earth slightly for the next several years.
The research for the new study was funded in part through a NOAA/ ESRL-CIRES Graduate Fellowship to Neely. The National Science Foundation and NASA also provided funding for the research project. The Janus supercomputer is supported by NSF and CU-Boulder and is a joint effort of CU-Boulder, CU Denver and NCAR.
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This Feb. 26, 2013 photo shows businessman and TV personality Donald Trump from "The Celebrity Apprentice," at his office at Trump Tower in New York. The two-hour premiere of "All-Star Celebrity Apprentice" airs Sunday at 9 p.m. EST on NBC. (Photo by Dan Hallman/Invision/AP)
This Feb. 26, 2013 photo shows businessman and TV personality Donald Trump from "The Celebrity Apprentice," at his office at Trump Tower in New York. The two-hour premiere of "All-Star Celebrity Apprentice" airs Sunday at 9 p.m. EST on NBC. (Photo by Dan Hallman/Invision/AP)
This Feb. 26, 2013 photo shows businessman and TV personality Donald Trump from "The Celebrity Apprentice," at his office at Trump Tower in New York. The two-hour premiere of "All-Star Celebrity Apprentice" airs Sunday at 9 p.m. EST on NBC. (Photo by Dan Hallman/Invision/AP)
This Feb. 26, 2013 photo shows businessman and TV personality Donald Trump from "The Celebrity Apprentice," at his office at Trump Tower in New York. The two-hour premiere of "All-Star Celebrity Apprentice" airs Sunday at 9 p.m. EST on NBC. (Photo by Dan Hallman/Invision/AP)
NEW YORK (AP) ? There is something Donald Trump says he doesn't know.
Trump has welcomed a reporter to his 26th-floor corner office in Trump Tower to talk about "All-Star Celebrity Apprentice." And here in person, this one-of-a-kind TV star, billionaire businessman, ubiquitous brand mogul and media maestro strikes a softer pose than he has typically practiced in his decades on public display.
Relaxed behind a broad desk whose mirror sheen is mostly hidden by stacks of paper that suggest work is actually done there, Trump is pleasant, even chummy, with a my-time-is-your-time easiness greeting his guest.
He even contradicts his status as a legendary know-it-all with this surprising admission: There's a corner of the universe he doesn't understand.
The ratings woes of NBC, which airs his show, are on Trump's mind at the moment, and as he hastens to voice confidence in the network's powers-that-be ("They will absolutely get it right"), he marvels at the mysteries of the entertainment world.
"If I buy a great piece of real estate and do the right building, I'm really gonna have a success," he says. "It may be MORE successful or LESS successful, but you can sort of predict how it's gonna do. But show business is like trial and error! It's amazing!"
He loves to recall the iffy prospects for "The Apprentice" when it debuted in January 2004. With show biz, he declares, "You NEVER know what's gonna happen."
Except, of course, when you do.
"I do have an instinct," he confides. "Oftentimes, I'll see shows go on and I'll say, 'That show will never make it,' and I'm always right. And I understand talent. Does anybody ask me? No. But if they did, I would be doing them a big service. I know what people want."
So maybe he does know it all. In any case, lots of people wanted "The Apprentice." In its first season, it averaged nearly 21 million viewers each week.
And it gave Trump a signature TV platform that clinched his image as corporate royalty. He presided in a mood-lit stagecraft boardroom where celebrity subjects addressed him as "Mr. Trump" and shrank at that dismissive flick of his wrist and dreaded catchphrase, "You're fired."
The two-hour premiere of "All-Star Celebrity Apprentice" (Sunday at 9 p.m. EST) starts by rallying its 14 veteran contenders in the even more evocative setting of the 2,000-year-old Egyptian Temple of Dendur at the Metropolitan Museum of Art.
There, grandly, Trump receives such returning players as Gary Busey, Stephen Baldwin, LaToya Jackson and reality mean queen Omarosa.
Soon, teammates are chosen by team leaders Bret Michaels and Trace Adkins. Their first assignment: concoct a winning recipe for meatballs, then sell more of them than the rival team.
This is the 13th edition of the "Apprentice" franchise, which has now slipped to less than one-third its original viewership, according to Nielsen Co. figures. But even an audience matching last season's 6.26 million viewers would be pleasant news for NBC, which has recently fallen to fifth place in prime time, behind even Spanish-language Univision.
"I could probably do another show when I don't enjoy 'The Apprentice' anymore," says the 66-year-old Trump, mulling his TV future. "I have been asked by virtually every network on television to do a show for them. But there's something to sticking with what you have: This is a good formula. It works."
Years before "The Apprentice," Trump had hit on a winning formula for himself: Supercharge his business success with relentless self-promotion, putting a human face ? his! ? on the capitalist system, and embedding his persona in a feedback loop of performance and fame.
Since then, he has ruled as America's larger-than-life tycoon and its patron saint of material success. Which raises the question: Does he play a souped-up version of himself for his audience as Donald Trump, a character bigger and broader than its real-life inspiration?
He laughs, flashing something like a you-got-me smile.
"Perhaps," he replies. "Not consciously. But perhaps I do. Perhaps I do."
It began as early as 1987, when his first book, "Trump: The Art of the Deal," became a huge best-seller.
And even without a regular showcase, he was no stranger to TV. For instance, in the span of just 10 days in May 1997, Trump not only was seen on his "Miss Universe Pageant" telecast on CBS, but also made sitcom cameo appearances as himself on NBC's "Suddenly Susan" and ABC's "Drew Carey Show."
Meanwhile, as a frequent talk-show guest then (as now), he publicized his projects and pushed his brand.
"I'll be on that show for 20 or 30 or 60 minutes, and it costs me nothing," he notes. "When you have an opportunity for promotion, take it! It's free."
No one has ever accused Trump of hiding his light under a bushel. But his promotional drive (or naked craving for attention) has taken him to extremes that conventional wisdom warns against: saying and doing things that might hurt your bottom line.
Item: Trump's noisy, even race-baiting challenge to President Barack Obama to prove his American citizenship. This crusade has earned Trump the title from one editorialist as "birther blowhard."
For an industrialist and entertainer, where's the profit in voicing political views that could tick off a segment of your market or your audience?
"It's a great question, and a hard question to answer, because you happen to be right," Trump begins. "The fact is, some people love me, and some people the-opposite-of-love me, because of what I do and because of what I say. But I'm a very truthful person. By speaking out, it's probably not a good thing for me personally, but I feel I have an obligation to do it."
But isn't he being divisive with some of his pronouncements?
"I think 'divisive' would be a fair word in some cases, not in all cases," he replies. "But I think 'truthful' is another word."
The publicity he got from his political activism reached a fever pitch during his months-long, media-blitzed flirtation with running for president that seemed conveniently to dovetail with the Spring 2011 season of his TV show.
That May, he announced he would not run. For some, it was the final scene of nothing more than political theatrics.
"They weren't," Trump says quietly. "I was very seriously considering running. It was a race that the Republicans should have won. I made a mistake in not running, because I think I would have won."
He says he has no designs on this year's race for mayor of New York. But his politicizing continues apace. In his Twitter feed, with 2 million followers, he continues to bash China and rant about Washington. He phones in to Fox News Channel's "Fox & Friends" each Monday morning to vent his spleen.
"I believe in speaking my mind," he says, "and I don't mind controversy, as you probably noticed. I think sometimes controversy is a good thing, not a bad thing."
Last summer saw the opening in Aberdeen, Scotland, of Trump International Golf Links after a bitter, yearslong fight waged by environmentalists and local residents against government leaders and, of course, Trump.
A man for whom it seems no publicity is bad publicity, Trump insists the controversy helped the project.
"If there wasn't controversy surrounding it, I don't think anybody would even know it exists," he says, laying out the alternative: "I could take an ad: 'Golf course opening.'"
Trump even seems to profit from the harsh attention focused on his hair.
"I get killed on my hair!" he says, with no trace of remorse. But he wants everyone to know, "It's not a wig!" Nor is it an elaborately engineered coif to hide a hairline in retreat, as many Trump-watchers imagine.
To prove it, Trump does a remarkable thing: He lifts the flaxen locks that flop above his forehead to reveal, plain as day, a normal hairline.
"I wash my hair, I comb it, I set it and I spray it," he says. "That's it. I could comb it back and I'd look OK. But I've combed it this way for my whole life. It's become almost a trademark. And I think NBC would be very unhappy if I combed it back, 'cause ? you know what? ? maybe I wouldn't get as high a rating."
___
Online:
www.nbc.com
___
Frazier Moore is a national television columnist for The Associated Press. He can be reached at fmoore(at)ap.org and at http://www.twitter.com/tvfrazier
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Feb. 28, 2013 ? Here's another reason why a healthy diet during pregnancy is critical to the future health of your children: New research published in the March 2013 issue of The FASEB Journal, suggests that pregnant mothers who consume junk food actually cause changes in the development of the opioid signaling pathway in the brains of their unborn children. This change results in the babies being less sensitive to opioids, which are released upon consumption of foods that are high in fat and sugar. In turn, these children, born with a higher "tolerance" to junk food need to eat more of it to achieve a "feel good" response.
"The results of this research will ultimately allow us to better inform pregnant women about the lasting effect their diet has on the development of their child's lifelong good preferences and risk of metabolic disease," said Beverly Muhlhausler, Ph.D., a researcher involved in the work from the FOODplus Research Centre at the School of Agriculture Food and Wine at The University of Adelaide in Adelaide, Australia. "Hopefully, this will encourage mothers to make healthier diet choices which will lead to healthier children."
To make this discovery, Muhlausler and colleagues studied the pups of two groups of rats, one of which had been fed a normal rat food and the other which had been fed a range of human "junk foods" during pregnancy and lactation. After weaning, the pups were given daily injections of an opioid receptor blocker, which blocks opioid signaling. Blocking opioid signaling lowers the intake of fat and sugar by preventing the release of dopamine. Results showed that the opioid receptor blocker was less effective at reducing fat and sugar intake in the pups of the junk food fed mothers, suggesting that the opioid signaling pathway in these offspring is less sensitive than for pups whose mothers are eating a standard rat feed.
"This study shows that addiction to junk food is true addiction." said Gerald Weissmann, M.D., Editor-in-Chief of The FASEB Journal. "Junk food engages the same body chemistry as opium, morphine or heroin. Sad to say, junk food during pregnancy turns the kids into junk food junkies."
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