শুক্রবার, ২৬ জুলাই, ২০১৩

Senate panel refuses budget cuts sought by GOP

WASHINGTON (AP) -- Senate Democrats on Thursday rejected a bid by Republicans to cut back spending on transportation and housing programs to keep them in line with automatic spending cuts required under the rules set by a budget deal two years ago.

The 56-42 vote killed a move by conservative Pat Toomey, R-Pa., to cut the price tag for the huge spending bill by $9 billion to bring it in line with an austere House measure that cuts community development grants, housing subsidies and funding for Amtrak.

The huge measure combines $54 billion in so-called discretionary spending that's directly controlled by lawmakers and releases an equal amount from trust funds for highway and other infrastructure projects. It's the first appropriations bill to come to the Senate floor as a stand-alone measure in two years.

Such bills fund the day-to-day operations of government but Republicans and Democrats are in stark disagreement over how much money to devote to Cabinet budgets. Republicans are supporting a $967 billion cap for such budgets required under automatic spending cuts called for under the 2011 budget deal -- which set up a process called sequestration to enforce budget cuts if a deficit "supercommittee" failed to produce a follow-up deal. Democrats are pressing a budget that's more than $90 billion higher.

Toomey said the pending bill "puts us on a direct path to bust the caps, to break the law, to spend more than the statutory limits that we put in place just two years ago."

Just three Republicans broke with their party to support the bill as drafted but it's unclear whether it's a test vote that could signal problems next week. It typically takes 60 votes to advance legislation in the Senate and Democrats control 54.

"The transportation and housing bill could not exist at the worse-than-sequestration levels being pushed in the House," said the measure's Democratic author, Patty Murray of Washington, citing cuts to community development grants, rural air subsidies and housing for the poor.

Separately, Democrats on the Appropriations panel advanced a bill to protect the Internal Revenue Service from huge budget cuts sought by House Republicans.

Besides safeguarding the IRS against cuts, they defended the ability of the IRS to enforce President Barack Obama's health care law. The measure was adopted on a party-line vote.

The $44 billion IRS funding bill is bigger than the House version. The House bill would slash the IRS budget next year by $3 billion.

(Copyright (c) 2013 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

Source: http://www1.whdh.com/rss/read/news/articles/politics/10011250042618/

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রবিবার, ২৩ জুন, ২০১৩

Scientists clear quantum computing hurdle

Researchers have devised a new way to prevent neighboring quantum bits from interfering with each other, bringing large-scale quantum computing one step closer to reality.

By Eoin O'Carroll,?Staff / June 19, 2013

This illustration looks nothing like an actual atom. The electrons that orbit an atomic nucleus are actually in all possible places at the same time.

Illustration by Jake Turcotte

Enlarge

Large-scale quantum computing, that is, leveraging the seemingly paradoxical behavior of subatomic particles to develop blazingly fast computers, is now one step closer to reality, now that scientists have found a way to better control how these particles behave.?

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Normal computers store information in binary digits, or bits. A bit can have only one of two values, most commonly represented by a 0 or a 1. Bits can be embodied in levers, punch cards, vacuum tubes, magnetic strips, tiny pits on compact discs, electrical capacitors, or any thing that can have two distinct states. ?

Quantum computers, by contrast, use quantum bits, or qubits, which arise out of the properties of elementary particles. At the atomic and subatomic scales, the rules seem to be different from those for larger objects. An electron, for instance, exists in more than one place at the same time. The same goes for the magnitude of its angular momentum, or "spin," which can have more than one value at the same time. ??

This behavior, called quantum superposition, allows qubits to have values of 0, 1, or both, all at the same time, creating the potential for computers that can carry out incredibly complex calculations in a fraction of the time that it would take a traditional computer. One of the most promising ways to create quantum computer chips is to use electrodes to control and harness the superposed spins of electrons bound to phosphorous atoms within silicon chips.?

But researchers attempting to do this kept running into a problem: When you change the spin of one electron, you end up affecting the spin of the ones next to it. Think of it like a garage door opener that opens every garage on the street.

In the current issue of the journal Nature Communications, scientists at the University of New South Wales in Sydney, Australia, working with theorists at Sandia National Laboratories in New Mexico say they have found a way around this inadvertent quantum jostling.?

?It is a daunting challenge to rotate the spin of each qubit individually,? says Holger B?ch, a UNSW doctoral candidate and lead author of the new study, in a press release.

Mr.?B?ch and his colleagues found that, if each electron is bound to a different number of phosphorous atoms than its neighbor, each will respond differently to a tuned electromagnetic frequency, allowing each qubit to be distinguished from the ones around it.

?This is an elegant and satisfying piece of work,? said UNSW Professor Michelle Simmons, B?ch's Ph.D advisor. "This first demonstration that we can maintain long spin lifetimes of electrons on multi-donor systems is very powerful. It offers a new method for addressing individual qubits, putting us one step closer to realising a practical, large-scale quantum computer."

Source: http://rss.csmonitor.com/~r/feeds/science/~3/9WGoA7aEm5Y/Scientists-clear-quantum-computing-hurdle

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FOR KIDS: Cool Jobs ? Moved by life

Biologically inspired robots travel ? naturally

By Sharon Oosthoek

Web edition: June 21, 2013

Enlarge

Do the locomotion

A robot built to mimic the movements of a shark relative, the cownose ray, takes a dip.

Credit: Norm Shafer

Meet three researchers who study animal locomotion. Each of the critters they work with has perfected a style of movement over millions of years. Their moves have inspired these engineers to build robots that can do important and useful jobs ? ones that people can?t do. Known as biomimicry,?it's the design of new technologies based on nature.

Visit the new?Science News for Kids?website and read the full story:??Cool Jobs ? Moved by life

Source: http://www.sciencenews.org/view/generic/id/351179/title/FOR_KIDS_Cool_Jobs__Moved_by_life

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শনিবার, ২২ জুন, ২০১৩

Taliban offer adds urgency to Idaho POW rally

HAILEY, Idaho (AP) ? The father and mother of the only known U.S. prisoner of war plan to speak on Saturday afternoon to a big crowd in their central Idaho hometown just days after his Taliban captors announced they want to exchange him for prisoners being held at Guantanamo Bay.

Bob and Jani Bergdahl were already on a list of speakers at the "Bring Bowe Back" celebration in Hailey, Idaho, when the Taliban proposed the prisoner swap on Thursday.

Organizer Stefanie O'Neill said the parents of U.S. Army Sgt. Bowe Bergdahl, captured four years ago June 30, haven't wavered in their pledge to address those who gather, a group that will include as many as 1,000 POW-MIA activists aboard motorcycles riding into town.

Though yellow ribbons on Main Street trees and "Bring Bowe Home" placards in Hailey shop windows are a constant reminder of the 27-year-old Bergdahl's captivity, O'Neill said the Taliban offer has lent an addition element of urgency ? and hope ? to the event.

"We're not a community without Bowe," O'Neill said. "We're doing our best, but we need him back."

Bob Bergdahl plans to ride his son's dirt bike as part of the motorcycle procession that will travel north on Idaho State Highway 75 to Hailey's Hop Porter Park. That's where young four Norway maples have been planted overlooking the children's playground to commemorate each of the four years Bowe Bergdahl been held captive following his June 30, 2009 capture in Afghanistan.

He's believed held somewhere in Pakistan, but the Taliban said they would free him in exchange for five of their most senior operatives at Guantanamo Bay, the American installation on the southeastern tip of Cuba that's housed suspected terrorists following the Sept. 11 attacks.

The militant group's proposition came just days ahead of possible talks between a U.S. delegation and Taliban members in Qatar.

The discussions would be the first U.S.-Taliban talks in nearly 1 1/2 years, and the prospect that they could include discussions over Bergdahl have raised his family's spirits in Hailey, according to Donna Thibedeau-Eddy, a family friend.

The discussions are just the latest good news Bob and Jani Bergdahl have received in recent weeks. On June 6, they announced they had received a letter in Bowe's handwriting, the first since he was taken prisoner, shuttled through the International Committee of the Red Cross.

Source: http://news.yahoo.com/taliban-offer-adds-urgency-idaho-pow-rally-081600377.html

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PFT: Ex-Niner Coffee enlisted in Army

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The Dolphins gritted their teeth and celebrated the success of the local NBA franchise that makes the local NFL franchise even less relevant locally.? And nationally.

There will be more cops at Bills games this year.? (Fans would prefer more points.)

The University of Florida connection isn?t working out for the Patriots.

Get to know Jets S Josh Bush.

Browns S T.J. Ward likes Ray Horton?s aggressive style; ?It?s an attack style, all downhill. We?re really getting after the guys. That?s what I?m most excited about,? Ward said, proving that the point can be conveyed without using terms like ?kill? or ?hurt? or ?inflict mild bruising.?

The Ravens last 2013 draft pick, CB Marc Anthony, hopes to win a job with ?physicality and versatility.?

Former Steelers K Jeff Reed did a little bragging recently about his ownership of two Super Bowl rings.

Bengals single-game tickets go on sale June 29; pre-registration was required for visits from the Steelers and the Packers.

Texans WR Andre Johnson and S Ed Reed made it to the teens on NFL Network?s Top 100 countdown.

Colts DL Ricky Jean Francois still gets advice from Donald Heaven, who played OT at Florida State when Jean Francois arrived in 2002.

Titans G Chance Warmack is trying to stay positive as he makes the transition from college to the NFL.

The enhancements to the Jaguars stadium will start after the 2013 season and are expected to be ready by the start of the 2014 season.

Chargers FB Le?Ron McClain is holding a free football camp for kids in Alabama on Saturday.

Ditto for Chiefs RB Jamaal Charles, who started his fourth annual free camp for 175 kids on Friday in Texas.

Whatever Broncos WR Wes Welker got paid this week to talk repeatedly about his hair plugs, it wasn?t nearly enough.

When news broke that actor James Gandolfini has passed, some fans thought Raiders assistant Tony Sparano had died.

Cowboys QB Tony Romo didn?t earn a spot on NFLN?s Top 100 list, after coming in at No. 91 in 2012 and No. 72 in 2011.

The Associated Press style book would seem to suggest that any publication adhering to it should not use the term Redskins.

A New Jersey accountant who allegedly scammed the state out of nearly $700,000 in false unemployment claims used the money to buy, among other things, Giants season tickets.

Kyle Shurmur, the son of Eagles offensive coordinator Pat Shurmur, is 6-4 and slated to play quarterback for La Salle High School.

The Packers have reduced from nine night training-camp practices in 2012 to zero in 2013.

Retired Bears LB Brian Urlacher is playing a lot of golf; ?The first thing on my mind when I wake up isn?t working out anymore,? Urlacher said.? ?So that?s a good thing.?

Vikings CB Xavier Rhodes arrived at Florida State as a receiver, and when he was moved to defense he initially wanted to transfer.

LB Jon Morgan is trying to win a spot on the Lions roster as an undrafted free agent.

Saints WE Marques Colston is hosting a receivers camp on Saturday for kids 10 to 18 years old.

50 sacks may be a bit unrealistic, but Panthers LB Greg Hardy could be in for a big year.

A 150-year-old church in Atlanta wants $24.5 million to move from the footprint of the Change Purse; the city has offered $15.5 million.

The Buccaneers? ?Rookie Club? spent time this week with local kids in Tampa.

So how can players like 49ers WR Michael Crabtree recover so quickly from a torn Achilles tendon?

Cardinals running backs coach Stump Mitchell is helping rookie RB Stepfan Taylor catch up after missing the offseason program due to the ridiculous, outdated, and unfair rule that prevents first-year players from working until the students at the college the players no longer attend have taken their final exams.

Seahawks DE Michael Bennett told the Real Rob Report that he?s never seen a pace like the one at Seahawks practices.

35 first-year Rams stuck around for ?Rookie Week,? an up-close introduction to St. Louis.? (Which for most of them will be completely irrelevant by September.)

Source: http://profootballtalk.nbcsports.com/2013/06/20/glen-coffee-slated-to-graduate-from-u-s-army-airborne-school/related/

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Vietnam province earmarks $21 mln for English teaching ...

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address. This status code is commonly used when the server does not wish to reveal exactly why the request has been refused, or when no other response is applicable.

Source: http://talkvietnam.com/2013/06/vietnam-province-earmarks-21-mln-for-english-teaching-2/

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Chlamydia promotes gene mutations

June 20, 2013 ? Chlamydia trachomatis is a human pathogen that is the leading cause of bacterial sexually transmitted disease worldwide with more than 90 million new cases of genital infections occurring each year. About 70 percent of women infected with Chlamydia remain asymptomatic and these bacteria can establish chronic infections for months, or even years. Even when it causes no symptoms, Chlamydia can damage a woman's reproductive organs. In addition, standard antibacterial drugs are proving increasingly ineffective in complete eradication, as Chlamydia goes in to persistent mode, leading to asymptomatic chronic infection.

Researchers at the Max Planck Institute for Infection Biology in Berlin (MPIIB) now show that Chlamydia infections can cause mutations in the host DNA by overriding the normal mechanisms by which their host prevents unregulated growth of genetically damaged cells that pave the way for the development of cancer.

Owing to their intracellular lifestyle Chlamydia depend on various host cell functions for their survival. Chlamydia manipulates the host cell mechanism to favour its growth, however the consequences of such alterations on the fate of host cells remains enigmatic. Even more worrying is mounting epidemiological evidence which links Chlamydia infections with the development of cervical and ovarian cancer. Cindrilla Chumduri, Rajendra Kumar Gurumurthy and Thomas F. Meyer, researchers at the Max Planck Institute for Infection Biology in Berlin, have now discovered that Chlamydia induces long-lasting effects on the genome and epi-genome of their host cells. Such changes are increasingly implicated in the development of a range of cancers.

The team found increased levels of DNA breaks in Chlamydia-infected cells. In normal cells, depending on the extent of damage, cells either "commit suicide" or activate repair by special protein complexes in a process called the DNA Damage Response, which reseals the broken strands of DNA and makes sure the sequence of the genetic code has not been changed. Crucially, in Chlamydia-infected cells the DNA Damage Response was impaired, leading to an error-prone repair of the DNA breaks- a potential cause of mutations. Strikingly, despite the presence of extensive DNA damage, Chlamydia infected cells continued to proliferate, facilitated by additional pro-survival signals activated in the host cells by Chlamydia. The flip-side of this forced survival of damaged cells is an increased tendency to evade the normal mechanisms that eliminate cells carrying mutations that could lead to cancer. The team believe that this could be the first step on the path to carcinogenesis of the infected cells, due to uncontrolled cell growth in the presence of accumulating DNA damage -- the hallmark of cancer.

The identification of infections as the origin of human cancers is important since it would allow early prevention of cancerogenesis by means of vaccination or antibiotic treatment. Such preventive strategies are currently successfully pursued against the cancer-inducing agents Human Papiloma Virus (HPV) and Helicobacter pylori, the etiological agents of cervical and gastric cancer, respectively. However, many infection-based cancer etiologies have not been firmly established and therefore cancer treatment is usually restricted to patients at an advanced stage and with an established cancer diagnosis. The department of Professor Meyer at MPIIB therefore vigorously pursues several lines of research to unequivocally assess the linkage between bacterial infections and cancer, apart from the well-known carcinogenic role of H. pylori. The current paper by Chumduri et al. constitutes one important mosaic piece, corroborating a potential link between female ascending Chlamydia infections and ovarian cancer in particular.

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The above story is reprinted from materials provided by Max-Planck-Gesellschaft.

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


Journal Reference:

  1. Cindrilla Chumduri, Rajendra Kumar Gurumurthy, Piotr K. Zadora, Yang Mi, and Thomas F. Meyer. Chlamydia infection promotes host DNA damage and proliferation but impairs the DNA damage response. Cell Host & Microbe, 2013

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

Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/genes/~3/COwUTZALG0g/130620132223.htm

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