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Compromise among senators eyed on border security

WASHINGTON (AP) ? After secretive talks, key senators expressed optimism Wednesday night that they were closing in on a bipartisan agreement to dramatically toughen the border security requirements in immigration legislation that also offers a path to citizenship to millions living in the country illegally.

Lawmakers and aides alike said the goal was to assure passage of the sweeping legislation by a large bipartisan vote within a matter of days.

Under the emerging compromise, the government would grant legal status to immigrants living in the United States unlawfully at the same time the additional security was being put into place at a cost of tens of billions of dollars. Green cards, which signify permanent residency status, would be withheld until the security steps were complete.

Several officials said late Wednesday the Border Patrol would roughly double in size with the addition of 20,000 agents over a decade as part of a so-called border surge. The government also would complete hundreds of miles of new fencing along the U.S.-Mexico border and purchase new surveillance drones to help apprehend would-be illegal border crossers. The cost of the additional agents alone totals $30 billion over a decade.

The officials spoke on condition of anonymity because the talks were private.

If agreed to, the change has the potential to give a powerful boost to the immigration bill that is at the top of President Barack Obama's second-term domestic agenda.

The developments came as Democrats who met with House Speaker John Boehner during the day quoted him as saying he expects the House to pass its own version of an immigration bill this summer and for Congress to have a final compromise by year's end. Boehner, R-Ohio, has already said the legislation that goes to the House in the next month or two will not include a pathway to citizenship for those in the United States illegally.

Precise details of the pending agreement in the Senate were unavailable, but Sen. John Hoeven, R-N.D., said it involved a major increase of resources to the border, including more manpower, fencing and technology. The underlying legislation already envisions more border agents; additional fencing along the U.S-Mexico border; surveillance drones; a requirement for employers to verify the legal status of potential workers; as well as a biometric system to track foreigners who enter and leave the United States at air and seaports and by land.

"Our whole effort has been to build a bipartisan group that will support the bill," said Hoeven, who has not yet stated a position on the legislation. "That's what this is all about, and it's focused on border security."

Sen. Chuck Schumer, D-N.Y., one of the bill's most prominent supporters, said discussions with Republicans "have been really productive. We've made a lot of progress in the last 24 hours. Now we have some vetting to do with our respective allies."

The potential compromise came into focus one day after the Congressional Budget Office jolted lawmakers with an estimate saying that as drafted, the legislation would fail to prevent a steady increase in the future in the number of residents living in the United States illegally.

The estimate appeared to give added credibility to Republicans who have been pressing Democrats to toughen the border security provisions already written into the bill. Schumer and Sen. Bob Menendez, D-N.J., met at midday with Hoeven, and Republican Sens. Bob Corker of Tennessee, John McCain of Arizona and Lindsey Graham of South Carolina. The Democrats, McCain and Graham are part of the so-called bipartisan Gang of Eight that drafted the bill.

If ratified, the compromise would mark concessions on both sides.

Some Republicans have been unwilling to support a bill that grants legal status to immigrants in the country illegally until the government certifies that the border security steps have achieved 90 percent effectiveness in stopping would-be border crossers.

On the other hand, Democrats have opposed Republican proposals to make legalization contingent on success in closing the border to illegal crossings. Under the legislation as drafted, legalization could begin as soon as a security plan was drafted, but a 10-year wait is required for a green card.

One plan to change that was sidetracked during the day on a vote of 61-37.

Sen. Rand Paul, R-Ky., said his proposal would require Congress to vote annually for five years on whether the border is secure. If lawmakers decide it is not, "then the processing of undocumented workers stops until" it is, he said. The decision would be made based on numerous factors, including progress toward completion of a double-layered fence along the U.S.-Mexico border and toward a goal of 95 percent capture of illegal entrants. A system to track the border comings and goings of foreigners is also required.

Only a day earlier, the CBO had cheered supporters of the bill with an estimate that it would help the economy and reduce deficits in each of the next two decades.

Now it was the skeptics' turn to crow.

"Illegality will not be stopped, but it will only be reduced by 25 percent," said Sen. Jeff Sessions, R-Ala., referring to the prediction by the non-partisan CBO.

While the public debate was taking place, lawmakers involved in the private talks expressed optimism.

"We're on the verge of doing something dramatic on the border," Graham told reporters. "What we're trying to do is put in place measures that to any reasonable person would be an overwhelming effort to secure our border. This is a key moment in the effort to pass the bill."

Across the Capitol, House Republican leaders sought to present a friendlier face to Hispanics ? a group that gave Obama more than 70 percent support in last year's presidential election.

Boehner met with the Democratic-dominated Congressional Hispanic Caucus, while rank and file members of his party reviewed areas of agreement with faith-based Latino leaders.

"It's a conversation Republicans want to have," Rep. Cathy McMorris Rodgers, R-Wash., said later at a news conference outside the Capitol.

At the same time, though, anti-immigration protesters moved across the Capitol plaza into range of television cameras, raising signs that said, "Do Not Reward Criminals" and "No Amnesty for Illegal Aliens."

Separately, the House Judiciary Committee worked on legislation creating a program allowing farm workers to come to the United States to take temporary jobs in the United States.

The measure is one of several that the panel is considering in the final weeks of June as part of a piece-by-piece approach to immigration rather than the all-in-one bill that Senate is considering.

In addition to border security measures and a pathway to citizenship for millions of immigrants in the country illegally, the Senate bill provides more visas for highly-skilled workers prized by the technology industry, a guest worker farm program and a new program for lower-skilled workers to come to the United States.

___

Associated Press writer Laurie Kellman contributed to this report.

Source: http://news.yahoo.com/compromise-among-senators-eyed-border-security-225125834.html

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'Hoff' crab's oceanic 'road trip'

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'Hoff' crab's oceanic 'road trip'
A hairy crab named after US actor David Hasselhoff hitched a ride on an ocean "super-highway" to colonise deep sea vents in the Atlantic.

Source: BBC News
Posted on: Wednesday, Jun 19, 2013, 8:58am
Views: 12

Source: http://www.labspaces.net/128700/_Hoff__crab_s_oceanic__road_trip_

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Freiman's 18th-inning single lifts A's over Yanks

OAKLAND, Calif. (AP) ? Maybe a game-winning, broken-bat hit against baseball's career saves leader in the 18th inning will get Nate Freiman in a nice groove again.

Freiman singled home the winning run against Mariano Rivera, lifting the Oakland Athletics to a 3-2 victory over the New York Yankees on Thursday for a three-game sweep.

"It was his deal," Freiman said of the cut fastball he saw. "That one he always throws."

As a day game after a night game turned into a night game after a day game, John Jaso singled off Preston Claiborne (0-1) to start the decisive rally and went to third on Seth Smith's soft single to shallow left field against Rivera.

Rivera issued only the 39th intentional walk of his 19-year career to Jed Lowrie before Freiman ended the 5-hour, 35-minute game on New York's getaway day to Anaheim for a weekend series with the Angels.

"A little broken-bat blooper over the third baseman, and the other one the same place," Rivera said. "You can't do anything about it."

Freiman knew he had it, raising his right arm in triumph.

"I knew that was not getting to the left fielder. I knew it was falling," he said.

Moments later, Freiman received a celebratory whipped cream pie in the face following his first career game-ending hit ? and Oakland's fifth of 2013 after compiling a major league-best 14 walk-off wins last year. He had entered the game in the top of the 16th.

The AL West-leading A's (41-27) won their 11th in a row at home, 21st in 26 overall, and moved a season-best 14 games above .500 to extend their best start since 1990. They became the first American League team to play two 18-inning games in one season since Oakland and the Washington Senators did so in 1971.

Freiman's wife, LPGA golfer Amanda Blumenherst, quickly congratulated her husband on Twitter: "Ahhh!! Nate just ended the 18 inning game! Bases loaded, single!! Pie in the face! Athletics win!"

Each team used seven pitchers and threw 255 pitches. In all, 137 batters came to the plate ? short of the season high of 156 during Oakland's 19-inning win over the Angels in April and also the 20-inning game between the Marlins and Mets last Saturday.

"It was very taxing even winning the game. To lose could have been demoralizing," A's manager Bob Melvin said. "These are awful games to lose."

New York made a dramatic play in the bottom of the 15th to keep the game going.

Pinch-hitter Coco Crisp singled to left with one out and Vernon Wells made a perfect throw to catcher Chris Stewart, who blocked the plate and absorbed a collision to prevent Brandon Moss from scoring the winning run.

The A's had already begun streaming out of the dugout to celebrate.

The Yankees had runners in scoring position in each of the extra innings through 14, stranding 11 baserunners. They left 13 on base in all while dropping their seventh in a row at the Oakland Coliseum.

Pitching for the first time in eight days, Jesse Chavez (1-0) struck out seven in 5 2-3 scoreless innings.

Chavez fanned Kevin Youkilis and Wells with two on to end the 13th, then Travis Hafner and Wells in the 15th.

Jerry Blevins escaped a bases-loaded jam in the top of the 11th with two strikeouts. Pat Neshek worked out of trouble with runners on first and second in the 12th.

Robinson Cano hit a two-run homer in the first as New York ended a season-long five-game stretch without a long ball, but the Yankees didn't score again on another day of missed opportunities.

"I think it's probably a little more frustrating because you can look at how you had an opportunity here and an opportunity there," manager Joe Girardi said. "A lot of guys probably look at that, but it doesn't change the result."

It was the longest day game in Coliseum history.

Neither A' starter Jarrod Parker nor New York counterpart Hiroki Kuroda got a decision after a nice pitchers' duel hours before the game ended.

After Smith's tying, two-out double in the third, Oakland didn't reach base again until Jaso's bloop single leading off the ninth.

Oakland won the season series 5-1 for its second-best mark against the Yankees in franchise history. The 1990 club went 12-0.

The A's tied it at 2 in the third on a close play at the plate. Smith doubled off the wall in right and the relay throw was on target to Stewart, who tagged Jaso with his glove but had the ball in his bare hand.

Jaso was called safe by plate umpire CB Bucknor, drawing an argument from Girardi.

Earlier in the inning, Derek Norris' RBI groundout scored Chris Young, who drew a leadoff walk. Eric Sogard followed with a single before the A's pulled off a double steal.

Parker, riding a three-start winning streak, was helped by a pair of double plays in the first four innings.

Kuroda's winless stretch reached five starts since he beat Toronto on May 17. He became the third Japanese-born pitcher with 1,000 innings in the majors, joining Hideo Nomo and Tomo Ohka.

Girardi bumped Jayson Nix up to the No. 2 spot in the batting order from eighth a night earlier to shake things up and get the Yankees going, but Nix went 1 for 5 with a strikeout to end the 12th.

NOTES: Yankees captain Derek Jeter had his surgically repaired left ankle examined by Dr. Robert Anderson in Charlotte, N.C., and was cleared to resume baseball activities and running. ... Crisp (bruised heel) and LF Yoenis Cespedes (tight left hamstring) were held out of the starting lineup. ... Rivera received a surfboard and a bottle of white wine from Napa Valley from the A's in a pregame ceremony, along with a $10,042 donation to his foundation. ... The A's are 7-0-2 in their last nine series. ... New York agreed to contract terms with Notre Dame 3B Eric Jagielo, who signed for $1,839,400. He was the 26th overall pick in last week's draft and one of three first-round selections by the Yankees.

Source: http://news.yahoo.com/freimans-18th-inning-single-lifts-over-yanks-012542842.html

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Detecting homemade explosives, not toothpaste

June 14, 2013 ? Sandia National Laboratories researchers want airports, border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens to contain peroxide.

That's part of the challenge faced in developing a portable sensor to detect a common homemade explosive called a FOx (fuel/oxidizer) mixture, made by mixing hydrogen peroxide with fuels, said Chris Brotherton, principal investigator for a Sandia research project on chemiresponsive sensors. The detector must be able to spot hydrogen peroxide in concentrations that don't also raise suspicions about common peroxide-containing products.

"Hydrogen peroxide explosives are a challenge because they are dangerous, but there are so many personal hygiene products that have hydrogen peroxide in them that the false positive rate is very high," Brotherton said.

Hydrogen peroxide is found in everyday products ranging from soap, toothpaste and hair color to laundry bleach, carpet cleaners and stain removers.

Brotherton's Early Career Laboratory Directed Research and Development (LDRD) project proved a sensor could identify relatively high concentrations of hydrogen peroxide and differentiate that from a common interfering substance such as water, he said. The next step, Brotherton said, would be to work with an industrial partner to design an overall system that works faster and can be mass produced.

His work is built on field-structured chemiresistor technology developed at Sandia more than a decade ago by researchers James Martin and Doug Read. Chemiresistors are resistance-based sensors for volatile organic compounds, and the material developed by Martin and Read, who published several papers on their work, allows users to tailor the sensors' response range and sensitivity.

A major challenge was distinguishing between hydrogen peroxide and water, which exhibit similar behavior in chemiresistors. The key was choosing certain molecules in a polymer matrix, suggested by Brotherton's Sandia technical mentor, polymer chemistry expert David Wheeler. When exposed to peroxide, those molecules react in a different way than when exposed to water.

The idea is to engineer the polymer to be as similar to the target material as possible, relying on the undergraduate rule that like dissolves like. For example, Wheeler said, if the target is a substance that's not very polar, you'd choose a polymer with nonpolar groups. If the target has a lot of polarity, like water does, you'd develop polymers that could hydrogen-bond with water.

The tiny sensor incorporates the polymer and chains of miniscule conductive metal beads. The polymer reacts when it's exposed to the substance being analyzed.

"We tried to include specific molecules that would react with the peroxides," Brotherton said.

Exposure to water also changes the polymer, but it returns to its previous state once the water is removed. Exposing the polymer to concentrated hydrogen peroxide, however, is irreversible.

"So once you've done this to the polymer you've permanently changed it," Brotherton said. "Instead of being a reusable sensor, it's more of a disposable dosimeter."

It's also a detector that doesn't react to toothpaste and other common peroxide products, he said.

Manager Paul Smith said the sensor has other potential uses, such as monitoring underground water, looking for plumes of contamination or monitoring industrial processes.

The sensor isn't a silver bullet, but Brotherton said the technology has shown good results.

"It has some challenges that have to be overcome, but we think it's worth pursuing to the next level," he said.

Researchers need to reduce the chemical reaction time so the sensor doesn't take too long to be useful at a checkpoint, he said. The detector also must be incorporated into a larger unit that includes equipment to gather a sample for analysis.

The sensor doesn't need a significant amount of electronic processing or power supplies, Brotherton said. "This technology would be easier to integrate into other detection technologies without impacting them too significantly," he said.

It wouldn't have to be a large unit. Various detectors on the market today are about the size of a small, handheld vacuum cleaner, Smith said.

The support equipment would suck up a sample of air and the detector would test it.

"You'd need to know where the fumes were coming from," Brotherton said. "It's not enough to open up the whole room and suck in all the air and say, 'There are peroxides somewhere in here, watch out.' What we'd like to do is go up and down luggage, or be next to some sort of industrial process so we know this is most likely the source and it's above a level we care about."

Although a detector package could target a single type of vapor, a manufacturer could add it to a unit that detects several substances. That way, a checkpoint could have one sensing system rather than separate units for every material of concern, Brotherton suggested.

"Maybe it's a suite of sensors to try to hedge our bets," he said. "We've focused on a very specific application, but there's no reason you couldn't take this concept and use different polymers and look at multiple substances at the same time."

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/dm-zT6fkCBk/130614100715.htm

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মঙ্গলবার, ২১ মে, ২০১৩

North Korea fires short-range missiles for two days in a row

By Jane Chung

SEOUL (Reuters) - North Korea fired a short-range missile from its east coast on Sunday, a day after launching three of these missiles, a South Korean news agency said, ignoring calls for restraint from Western powers.

Launches by the North of short-range missiles are not uncommon but, after recent warnings from the communist state of impending nuclear war, such actions have raised concerns about the region's security.

"North Korea fired a short-range missile as it did yesterday into its east sea in the afternoon, " South Korea's news agency Yonhap reported, citing a military official.

A South Korean defense ministry official confirmed the Yonhap report, but did not provide any details.

U.N. Secretary General Ban Ki-moon said he was concerned about North Korea's launch of short-range missiles, urging Pyonyang to refrain from further launches and return to stalled nuclear talks with world powers.

Ban, who spoke to Russian state news agency RIA Novosti during a visit to Moscow, called Saturday's launch a "provocative action".

Tension on the Korean peninsula has subsided in the past month, having run high for several weeks after the United Nations Security Council imposed tougher sanctions against Pyongyang following its third nuclear test in February.

The North had for weeks issued nearly daily warnings of impending nuclear war with the South and the United States.

South Korea's Unification Ministry criticized the missile tests as deplorable and urged the North to lower tensions and hold talks over a suspended inter-Korean industrial park in the North's border city of Kaesong.

South Korea pulled out all of its workers from the industrial zone early this month after North Korea withdrew its 53,000 workers as tensions mounted.

(Additional reporting by Alissa de Carbonnel in MOSCOW; Editing by Sanjeev Miglani)

Source: http://news.yahoo.com/north-korea-fires-short-range-missiles-two-days-101918143.html

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NYPD to increase presence after bias killing

NEW YORK (AP) ? A spate of anti-gay attacks in New York City is prompting police to increase their presence in some gay-friendly neighborhoods heading into what's usually a time for celebration.

City Council Speaker Christine Quinn said Monday that the NYPD has pledged to station command vehicles in Greenwich Village, Chelsea and Hell's Kitchen through the end of June, which is Gay Pride Month.

The decision comes after a man walking with a companion was shot dead Saturday. Police say the gunman made homophobic remarks.

The killing happened in Greenwich Village, where the gay rights movement crystallized in the 1960s.

Several other gay bashings have been reported in Manhattan recently.

Quinn and Schools Chancellor Dennis Walcott also say public schools will soon have assemblies or other discussions on bullying and hate crimes.

Source: http://news.yahoo.com/nypd-increase-presence-bias-killing-180717050.html

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Very Fine Art: 6 Stunningly Beautiful Nanoscale Sculptures [Slide Show]

Researchers coax self-assembling materials into flowers, corals and other complex shapes


nanosculptured flora, nanoscale sculptures

Image: Wim L. Noorduin, Harvard School of Engineering and Applied Sciences

  • Showcasing more than fifty of the most provocative, original, and significant online essays from 2011, The Best Science Writing Online 2012 will change the way...

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Artists and material scientists alike bend, melt and mold materials into useful and aesthetically pleasing forms. But nothing human hands have made can match the intricacy of convoluted corals or the delicate and unique geometry of a snowflake. In a study published yesterday in Science researchers exploited nature?s sculpting methods to create visually stunning 3-D structures that may change the way nano- and micro-materials are made.

Organisms alter their growth patterns in response to changes in their environments. For example, a seashell may switch from a spotted to a striped pattern if there is a change in the temperature, acidity or carbon dioxide level of the water. Wim L. Noorduin, a materials science engineer at the Harvard School of Engineering and Applied Sciences (SEAS), used the same concept to coax self-assembling materials to ripple, spiral and bend into structures that resemble leaves, stems, flowers, vases and corals.

The fantastic micro-bouquets showcased in this slide show are not sculpted, but rather grown by design. Noorduin and his colleagues built these crystal structures in a stepwise fashion: first grow the vase, then the stems and finally the petals. The original images are black and white but the researchers false-colored each structure according to the sequence in which it was formed.

? View the Nanosculptured Flora Slide Show

Many nanostructures such as silicon memory cells are etched using lithography, a precise but expensive and labor-intensive technique that can only be used on flat surfaces. ?There is nothing now to create 3-D structures,? says professor of material science at SEAS, Joanna Aizenberg, who is principal investigator of the study and a pioneer in biomimetics (the use of biological systems as templates for creating materials or designing machines). The new technique is the first that can design and build 3-D structures. It is simple, cheap and efficient, as a whole forest of micro-flowers can assemble themselves simultaneously.

Although the structures created in this study are just for show, the technique has potential for future applications. The folds of these 3-D microstructures pack a large amount of surface area into a tiny space?an important consideration for the production of chemicals that depend on catalysts, substances that speed up chemical reactions. The more surface area available, the more catalysts you can add?and the more efficient the reaction.

The process can also be used to make nonsymmetrical (chiral) structures that may be useful for microcircuits, because chirality plays a role in conductivity.

? View the Nanosculptured Flora Slide Show

The technique still needs to be refined before it can be used in these types of applications. The team has developed a mathematical model that maps how the structures evolve, which is important for designing new shapes. Noorduin says they are now working on devices that will allow them to very precisely control the environmental conditions in order to standardize shapes and sizes. They will also need to figure out how to maintain the same level of control for other materials such as carbon, which is used for nanotubes.

Three years after having initiated the project, Noorduin says he still goes back to admire some of his favorite samples. He sits in front of the scanning electron microscope and peers through the lens: ?It feels like diving into a strange coral reef,? Noorduin says. ?You can spend hours looking at them.?

Source: http://rss.sciam.com/click.phdo?i=a901b72df7e56c42c557e243b80ee50e

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