Thursday, April 11, 2013

New teaching standards delve more deeply into climate change

The politically touchy topic of climate change will be taught more deeply to students under proposed new national science standards released Tuesday.

The Next Generation Science Standards, developed over the last 18 months by California and 25 other states in conjunction with several scientific organizations, represent the first national effort since 1996 to transform the way science is taught in thousands of classrooms. The multi-state consortium is proposing that students learn fewer concepts more deeply and not merely memorize facts but understand how scientists actually investigate and gather information.

"What's important here is that the standards will give students a deep understanding of how science and scientists actually work," said Phil Lafontaine, a California Department of Education official who helped create the proposed standards. "It's not just what we know but how we came to know it."

Each state will decide on its own whether to adopt the benchmarks, which are based on a 2011 framework by the National Research Council. In California, they will be reviewed by a panel of science experts, with public hearings set to begin later this month in Sacramento, Santa Clara and Riverside. The state Board of Education is expected to vote on them in the fall, with partial implementation scheduled for 2014-15.

The new standards come amid widespread concern that American students are falling behind global counterparts in their mastery of science and math, which are seen as critical fields for future economic growth.

"In the next decade, the number of jobs requiring highly technical skills is expected to outpace other occupations," state Supt. of Public Instruction Tom Torlakson said in a statement. The new approach "will help students achieve real-world practical skills so they can help maintain California's economic and technological leadership in the world."

A recent U.S. Department of Commerce study found that over the past decade, job growth in science, technology, engineering and mathematics was three times greater than that in other fields.

For the first time, the proposed education standards identify climate change as a core concept for science classes with a focus on the relationship between that change and human activity. According to the Oakland-based National Center for Science Education, two-thirds of U.S. students in a 2011 survey said they are not learning much about the topic.

Among high school students, 86% take biology, and more than 50% take chemistry but fewer than 20% take earth sciences ? the course that would cover climate change, said Frank Niepold, a climate education coordinator with the U.S. National Oceanic and Atmospheric Administration.

"The current state of climate change education is poor at best," said Mark McCaffrey, the Oakland center's program and policy director.

In California, climate and weather are covered in earth science standards. But the proposed new standards will more explicitly direct students to examine the scientific evidence for how and why the climate is changing and its impact.

Middle school students, for instance, will be taught that human activities, including the use of fossil fuels and the subsequent release of greenhouse gases, are "major factors" in global warming. A proposed high school standard requires students to explain, based on evidence, how climate change has affected human activities through such phenomena as altered sea levels, patterns of temperature and precipitation and the impact on crops and livestock.

Lafontaine said the deeper look at climate change is being prompted by heightened public concern about the issue. Other topics set for more thorough study include genetic engineering and its real-world impact on food and medicine.

Although legislators in Tennessee, Alabama, Louisiana and other states have proposed or passed bills to require teachers to include different views on climate change or mandate teaching the topic as a "controversial theory," the new national standards have not sparked any major political flaps so far.

James Taylor of the Heartland Institute, a Chicago-based conservative think tank, said the standards aren't perfect ? some positive impacts of climate change should have been included, he said. But they are better than most others, he said.

"They are more balanced and fair than most educational guides I have seen put out by advocacy groups or self-professed science groups," Taylor said.

McCaffrey, of the Oakland group, said approving the standards would only be the first step toward better science education. Massive teacher training is also needed, he said.

A new environmental curriculum, including climate change, is being tested among thousands of California teachers in an initiative involving the state, National Geographic Society and Google, among others, but launching it statewide will require significant funding, McCaffrey said.

"There are enormous and daunting challenges ahead of us," he said.

teresa.watanabe@latimes.com

Source: http://feeds.latimes.com/~r/latimes/news/science/~3/SzIv_y-cptk/la-me-0410-schools-science-20130410,0,7955084.story

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Smart solutions to a worsening water crisis

Apr. 10, 2013 ? Innovative policies and new technologies that reduce water waste are helping countries across the Middle East and North Africa deal with chronic water shortages.

Those advances spring from the simple idea that preventing water loss is effectively the same as giving parched countries new sources of water. This view gained widespread credibility in the wake of an IDRC-supported research program designed to assess how the so-called "water demand management" approach could ease the region's water crisis.

"The idea of using water more efficiently is now on the top of the policy agenda in the Middle East," says former IDRC program officer Lamia El-Fattal. "Our work provided the intellectual backbone that made it possible for people to move with confidence in that direction."

Scaled-down approach

Earlier, governments had seen big, costly projects such as dams, canals, and salt-water desalination plants as the solution to water scarcity. By the mid-1990s, the megaproject approach was widely viewed as a poor response to a water crisis worsened by population growth and climate change. However, the "demand management" alternative to developing new supplies of water -- for example, reducing the amount of water used, wasted, or even needed -- remained unproven.

Enter WaDImena. Between 2004 and 2009, the IDRC-supported program brought together researchers, policymakers, farmers, and community groups to share successes and assess new ideas.

The research was wide-ranging. For example, WaDImena contributors refined the treatment of wastewater to ensure that "greywater" -- non-sewage waste -- could safely be used for certain types of agriculture. They also examined how watering crops at night (to minimize evaporation) and using technologies such as drip-irrigation could reduce agricultural water demand.

Efficiency plus equity

Many of WaDImena's inquiries focused on the dual concerns of enhancing efficiency and distributing water more equitably. A delegation of Syrians to Tunisia, for instance, considered how to replicate the successes of that country's water users associations. These groups empower small farmers to enforce their own methods of fairer and less wasteful water distribution. They are based on the idea that "the best way to manage water is to give power to the people who are using it," says El-Fattal.

Researchers also pondered how fees for water delivery could provide incentives to save water without penalizing the poor. Cultural taboos against charging for water had meant that "the paradox of this region was that water was very scarce but also cheap," explains IDRC program officer and former WaDImena project manager Hammou Laamrani.

The solution since adopted in several countries is to have meters on wells that allow some water to be drawn for free, ensuring fair access for poor farmers. At the same time, distribution fees are imposed for greater use, providing an incentive to conserve water.

Influencing policy

New ideas have led to policy changes at many levels. In Jordan, for example, building codes have been changed to require waste-water recycling to be incorporated into new construction.

In Morocco, government subsidies for efficient drip-irrigation technologies are also used as a lever to encourage farmers to grow value-added crops that make better use of scarce water.

Water demand management, concludes El-Fattal, "has gone from an idea to practical solutions that people are committed to."

-

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The above story is reprinted from materials provided by International Development Research Centre (IDRC). The original article was written by Stephen Dale.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/F13zlbalvyM/130410114120.htm

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Wednesday, April 10, 2013

The 5 greatest shots at the Masters

FILE - In this April 13, 1986, file photo, Jack Nicklaus watches his putt drop for a birdie on the 17th hole at Augusta National during the Masters golf tournament in Augusta, Ga. Nicklaus went on to win his sixth Masters title. Nicklaus loves absolutely everything about Augusta. Nicklaus sat in the interview room at the Masters for an hour Tuesday, April 9, 2013, and had more than enough material for two. (AP Photo/Phil Sandlin, File)

FILE - In this April 13, 1986, file photo, Jack Nicklaus watches his putt drop for a birdie on the 17th hole at Augusta National during the Masters golf tournament in Augusta, Ga. Nicklaus went on to win his sixth Masters title. Nicklaus loves absolutely everything about Augusta. Nicklaus sat in the interview room at the Masters for an hour Tuesday, April 9, 2013, and had more than enough material for two. (AP Photo/Phil Sandlin, File)

Tiger Woods tees off on the first hole during a practice round for the Masters golf tournament Tuesday, April 9, 2013, in Augusta, Ga. (AP Photo/Charlie Riedel)

Bubba Watson points to the tee from the first fairway during a practice round for the Masters golf tournament Tuesday, April 9, 2013, in Augusta, Ga. (AP Photo/Darron Cummings)

(AP) ? No other major championship has a greater collection of signature shots than the Masters, mainly because it's the only major held on the same course. And it helps that Augusta National is such a course that allows for such big moments.

There was the "shot heard 'round the world" and a shot right out of "Bubba golf." There has been an eagle made on every hole except for the par 5s, where there has been an albatross on all of those, with Louis Oosthuizen finally get a "2'' on the par-5 second hole last year.

According to an Associated Press story from 1935, there were only about 2,000 people in the gallery when Gene Sarazen holed out his 4-wood on the par-5 15th hole in 1935. Thousands more later claimed to witness the historic shot.

Here's one list of the five greatest shots in Masters history:

___

5. JACK NICKLAUS IN 1986

No list of great shots at Augusta National should exclude Jack Nicklaus, a six-time champion. His 30 on the back nine in 1986, which carried him to his sixth green jacket, was the most famous charge of all. If there was a signature moment, it happened on the par-3 16th.

Nicklaus was coming off an eagle when he walked over to the 16th tee, which was playing about 175 yards. He hit a 5-iron, and as the ball was still climbing, Nicklaus stooped over and picked up the tee ? partly because he couldn't see so well, partly because he knew he hit it how he wanted.

His son, Jackie, was caddying for him that week and said, "Be right."

Nicklaus replied, "It is."

And it was.

The ball landed right of the pin and trickled down, narrowly missing a hole-in-one and leaving him a short birdie putt that he converted on his way to victory.

___

4. SANDY LYLE IN 1988

Sandy Lyle had the lead going into the final round of the 1988 Masters, but found himself in a tight battle with Mark Calcavecchia on the back nine. He was tied for the lead going to the last hole, knowing he would need a birdie to win.

Hitting a 1-iron into the first of two bunkers down the left side of the fairway was probably not the best way to make birdie.

That's when Lyle delivered one of the greatest shots on the closing hole at Augusta. He hit a 7-iron just over the tall lip of the bunker, and the shot covered the flag and landed beyond the pin, rolling back to 10 feet.

Lyle made the birdie putt to become the first British player in a green jacket.

___

3. TIGER WOODS IN 2005

Tiger Woods found himself in a surprising duel along the back nine in 2005 with Chris DiMarco. Woods had a one-shot lead with three holes to play, and he looked to be in trouble when he went long on the par-3 16th hole, and DiMarco had a 15-foot birdie putt.

The pin was in its traditional Sunday position, and Woods was in the wrong spot. He had to play the chip away from the flag and catch the slope just right, hopefully without too much speed that it would run by the hole and leave himself a tough putt for par. After measuring the shot for the longest time, he sent his pitch up the slope, and it slowly made a U-turn toward the hole.

The ball broke gently to the left and looked like it might go in, except that it was slowing to a stop. One last turn moved it an inch from the hole. Another turn left it on the on the edge of the cup. And after 2 full seconds, gravity took over and the ball disappeared for birdie.

Despite such a dramatic moment for a two-shot lead, Woods bogeyed the next two holes and had to make one last birdie in a playoff to win.

___

2. BUBBA WATSON IN 2012

The final round of the 2012 Masters produced the rarest shot in golf when Louis Oosthuizen holed out a 4-iron on the par-5 second hole for an albatross. At the end of the day, Bubba Watson hit a shot that was rare in its own right. It was a shot only Bubba could hit.

Watson and Oosthuizen headed to the 10th hole for the second playoff hole, and Watson was in trouble. He hit driver deep into the woods to the right of the fairway. Watson hung his head for a moment, figuring he would have to scramble for any chance of par. He always tells his caddie, "If I have a swing, I have a shot."

No one could have drawn this one up. He hit a 40-yard hook with a sand wedge, low to get under the trees, then rising to get onto the elevated green. The ball somehow landed on the green with enough side spin to turn up the hill and settle about 10 feet away. Two putts later, Watson had his par ? and a green jacket.

___

1. GENE SARAZEN IN 1935

Gene Sarazen was about the only player who didn't think the second edition of the Masters was over. Craig Wood was in the clubhouse at 6-under 282. Sarazen was in the fairway on the par-5 15th hole, three shots behind while playing with Walter Hagen.

Sarazen had a 4-wood that he called his "Dodo" club, and while he didn't have a great lie, thought he should go for the green from 235 yards away. He tried to play it slightly off the toe to get a little extra distance, and the shot came off perfectly.

The ball bounced just short of the green, hopped on and rolled into the cup for an albatross. Sarazen closed with three pars to force a playoff, and he beat Wood over 36 holes the next day.

It remains the most important shot in tournament history because it put the Masters on the map.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-04-10-GLF-Masters-Five-Greatest-Hits/id-5a5916909f9e46ab9724f2611f9adcef

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Small business confidence slips after 3 months of gains

Small-business owners' confidence fell in March ? halting a three-month winning streak, as entrepreneurs still aren't feeling optimistic about business or making substantial hiring plans.

That's the finding of a monthly survey by the National Federation of Independent Business. The group said Tuesday that its small-business optimism index edged down 1.3 points to 89.5 from 90.8 points in February.

"Virtually no owners think the current period is a good time to expand," said NFIB chief economist Bill Dunkelberg in a prepared statement. Plus, "over 75 percent think that business conditions in 6 months will be no better or worse than they currently are," he said.

Although housing and the energy sectors are forecast to add jobs, Main Street collectively has no plans to create new employment in the coming months, according to the monthly sentiment report.

The sentiment reading had ticked higher in December, January and February. But to describe that as a " 'run' is an exaggeration," Dunkelberg said.

Bottom line: As the recovery tries to gain traction, there may be only modest support from new Main Street jobs?a traditional driver of past recoveries.

Plans to create small-business jobs tumbled in March, falling 4 points to a net zero percent of small employers, who plan to increase total employment, according to NFIB data.

Turns out what's happening in the broader U.S. economy?an anemic employment picture?is playing out among mom and pops. Private sector job creation was considerably less than forecast for March. That report was released jointly by ADP and Moody's Analytics last Wednesday.

The report was a preview to Friday's nonfarm payrolls report, also weak. Job creation slowed to a crawl during March, with the U.S. economy adding just 88,000 positions though the unemployment rate fell to 7.6 percent. The number was a sharp decline from February's upwardly revised 268,000.

"Overall, it appears that there will be little growth coming from the small business half of the economy and as the world economy slows, maybe even less from big business," Dunkelberg said.

A factor in the jobs drag is mandatory federal spending cuts. "One reason is the sequester. I think that will start to kick in," Moody's economist Mark Zandi said last week on CNBC. "I think that will start to show up in jobs in the next few months. The other thing is health care."

For employers, there has been a heavy cloud of uncertainty about anticipated spending cuts and costs associated with Obamacare that go into effect in 2014.

But unlike larger private sector businesses, smaller employers usually don't have buffers such as large cash reserves to ride out federal budget cuts. Most smaller firms also can't quickly pivot business strategies to ride out a rough patch. So their strategy has largely been staying in a holding pattern?including hiring decisions.

Fred Deluca, the founder of privately held Subway Restaurants, said the government is simply out of touch with small-business owners. Policies including Obamacare discourage entrepreneurship and the American dream of owning your own business, Deluca told CNBC's "Squawk on the Street" in February.

Added NFIB's Dunkelberg, "For the sector that produces half the private GDP and employs half the private sector workforce?the fact that they are not growing, not hiring, not borrowing and not expanding like they should be, is evidence enough that uncertainty is slowing the economy."

? 2013 CNBC LLC. All Rights Reserved

Source: http://feeds.nbcnews.com/c/35002/f/653351/s/2a82bb0d/l/0L0Snbcnews0N0Cbusiness0Ceconomywatch0Csmall0Ebusiness0Econfidence0Eslips0Eafter0E30Emonths0Egains0E1C9277186/story01.htm

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Emma Watson Vs. Seth Rogen: Who's Blazed More Trails?

Watson will receive the MTV Trailblazer Award at Sunday's MTV Movie Awards, an honor her 'This Is the End' co-star dubs 'impressive.'
By Jocelyn Vena, with reporting by Josh Horowitz


Emma Watson in "The Perks of Being a Wallflower"
Photo: Summit Entertainment

Source: http://www.mtv.com/news/articles/1705253/emma-watson-seth-rogen-trailblazers-2013-mtv-movie-awards.jhtml

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India gets premium boost in bikes | Your Daily Update Blog

Just few months after German bike giant BMW Motorrad held talks with Venu Srinivasan-led TVS Motors for an India entry rival KTM bought a synchronous brand Husqvarna and announced its India launch plans.

Austria-based KTM, which overtook BMW to become the largest bike maker in Europe last year, is planning to roll out Husqvarna motorcycles from the Chakan, Pune-based plant of partner Bajaj Auto.

For BMW, India is the key for the future as matured bike markets, which are also its traditional markets including Europe, USA and Canada are grappling with weakening demand.

Emerging markets such as India, South East Asia and Latin America will power growth for even niche brands such as BMW, say automotive market experts as demand smaller performance superbikes is expected to hit new highs

Both Chennai-based TVS Motors and BMW Motorrad will cooperate in a new series of motorcycles having engine capacity below 500cc. The partnership will benefit BMW in pulling down their entry price level, which is too high at the moment.

BMW has been selling premium bikes in India since early 2011, however, they are fully imported directly from Germany with most being imported only as per order and are priced upwards of Rs 1,800,000.

KTM, along with Rajiv Bajaj-led Bajaj Auto, is planning to roll out Husqvarna motorcycles in 2015. The bikes will be designed and developed by Bajaj and will be made locally to achieve pricing advantage.

Like KTM Husqvarna, which is headquartered in Sweden, too is primarily into off-road motorcycles. The Austrian company, in which Bajaj Auto holds nearly 48 % stake, bought controlling stake in Husqvarna from BMW in February this year.

KTM aims to position Husqvarna bikes above the Pulsar brand of Bajaj but on par with its own range which presently includes the Duke 200, priced at around Rs 120,000. One of the models planned for the Swedish brand for India includes a touring bike powered by the same engine used by the Duke 200 and the Pulsar 200NS.

In an exclusive interview to Business Standard earlier, Stefan Pierer, chief executive, KTM, said, ?For the small displacements it could be that Huskys be made at Chakan. We are also thinking and analyzing which displacement makes sense, a 200cc and a touring version for something like the emerging markets; so in the mid-term for sure Huskys can come from the Chakan plant.?

KTM and Bajaj have moved beyond the Duke 200 and will shortly roll out the Duke 390 followed by a watered down version of the RC8 superbike. Moving forward the two companies will share engines, platforms and components for all the brands made in India.

?It will take two years time for the roll out of Huskys from here although the engine in ready, to develop a bike which is a part of other activities, it will take two years. Huskys will be made by Bajaj Auto just like other small displacement KTMs. It could be that the Pulsar, Duke and a Husqvarna be using the same platform?, added Pierer.

However BMW, KTM and Husqvarna are not alone. At least three more premium international bike brands are aggressively targeting the Indian buyers.

UK?s century old iconic bike brand Triumph is building a new assembly factory in Karnataka, its only third global plant after the UK and Thailand. A new 250cc model is also being reportedly developed for the emerging markets.

South Korean racing specialist Hyosung is keen to expand its product portfolio in India. Partner DSK Motowheels is investing Rs 300-400 crore into a new plant in Maharashtra which will produce 250cc and above motorcycles.

US-based cruiser brand Victory Motorcycles will also launch its bike range in India by the end of this year. The company?s high engine capacity products are built for leisure riding activities.

Source:http://www.business-standard.com/article/companies/india-gets-premium-boost-in-bikes-113040800223_1.html

Source: http://yourdailyupdateblog.com/archives/36323

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Tuesday, April 9, 2013

Hot and cold senses interact: Cold perception is enhanced when nerve circuitry for heat is inactivated

Apr. 8, 2013 ? A study from the University of North Carolina School of Medicine offers new insights into how the nervous system processes hot and cold temperatures. The research led by neuroscientist Mark J. Zylka, PhD, associate professor of cell biology and physiology, found an interaction between the neural circuits that detect hot and cold stimuli: cold perception is enhanced when nerve circuitry for heat is inactivated.

"This discovery has implications for how we perceive hot and cold temperatures and for why people with certain forms of chronic pain, such as neuropathic pain, or pain arising as direct consequence of a nervous system injury or disease, experience heightened responses to cold temperatures," says Zylka, a member of the UNC Neuroscience Center.

The study also has implications for why a promising new class of pain relief drugs known as TRPV1 antagonists (they block a neuron receptor protein) cause many patients to shiver and "feel cold" prior to the onset of hyperthermia, an abnormally elevated body temperature. Enhanced cold followed by hyperthermia is a major side effect that has limited the use of these drugs in patients with chronic pain associated with multiple sclerosis, cancer, and osteoarthritis.

Zylka's research sheds new light on how the neural circuits that regulate temperature sensation bring about these responses, and could suggest ways of reducing such side-effects associated with TRPV1 antagonists and related drugs.

The research was selected by the journal Neuron as cover story for the April 10, 2013 print edition and was available in the April 4, 2013 advanced online edition.

This new study used cutting edge cell ablation technology to delete the nerve circuit that encodes heat and some forms of itch while preserving the circuitry that sense cold temperatures. This manipulation results in animals that were practically "blind" to heat, meaning they could no longer detect hot temperatures, Zylka explains. "Just like removing heat from a room makes us feel cold (such as with an air conditioner), removing the circuit that animals use to sense heat made them hypersensitive to cold. Physiological studies indicated that these distinct circuits regulate one another in the spinal cord."

TRPV1 is a receptor for heat and is found in the primary sensory nerve circuit that Zylka studied. TRPV1 antagonists make patients temporarily blind to heat, which Zylka speculates is analogous to what happened when his lab deleted the animals' circuit that detects heat: cold hypersensitivity.

Zylka emphasizes that future studies will be needed to confirm that TRPV1 antagonists affect cold responses in a manner similar to what his lab found with nerve circuit deletion.

The study was conducted in the Zylka lab by postdoctoral scientists Eric S. McCoy, Sarah E. Street, and Jihong Zheng and by research associates Bonnie Taylor-Blake and Alaine Pribisco. Funding for the research came from the Searle Scholars Program, The Klingenstein Foundation, The Rita Allen Foundation, the National Institute of Neurological Disorders and Stroke (NINDS) and the National Institute of Child Health and Human Development (NICHD).

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The above story is reprinted from materials provided by University of North Carolina School of Medicine.

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Journal Reference:

  1. Eric?S. McCoy, Bonnie Taylor-Blake, Sarah?E. Street, Alaine?L. Pribisko, Jihong Zheng, Mark?J. Zylka. Peptidergic CGRP? Primary Sensory Neurons Encode Heat and Itch and Tonically Suppress Sensitivity to Cold. Neuron, 2013; DOI: 10.1016/j.neuron.2013.01.030

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/oRZSJx7ec2g/130408172243.htm

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