Friday, June 8, 2012

Plants may be able to 'hear' others

THEY can "smell" chemicals and respond to light, but can plants hear sounds? It seems chilli seeds can sense neighbouring plants even if those neighbours are sealed in a box, suggesting plants have a hitherto-unrecognised sense.

Plants are known to have many of the senses we do: they can sense changes in light level, "smell" chemicals in the air and "taste" them in the soil (New Scientist, 26 September 1998, p 24). They even have a sense of touch that detects buffeting from strong winds.

The most controversial claim is that plants can hear, an idea that dates back to the 19th century. Since then a few studies have suggested that plants respond to sound, prompting somewhat spurious suggestions that talking to plants can help them grow.

A team led by Monica Gagliano at the University of Western Australia in Crawley placed the seeds of chilli peppers (Capsicum annuum) into eight Petri dishes arranged in a circle around a potted sweet fennel plant (Foeniculum vulgare).

Sweet fennel releases chemicals into the air and soil that slow other plants' growth. In some set-ups the fennel was enclosed in a box, blocking its chemicals from reaching the seeds. Other experiments had the box, but no fennel plant inside. In each case, the entire set-up was sealed in a soundproof box to prevent outside signals from interfering.

As expected, chilli seeds exposed to the fennel germinated more slowly than when there was no fennel. The surprise came when the fennel was present but sealed away: those seeds sprouted fastest of all.

Gagliano repeated the experiment with 2400 chilli seeds in 15 boxes and consistently got the same result, suggesting the seeds were responding to a signal of some sort (PLoS One, DOI: 10.1371/journal.pone.0037382). She believes this signal makes the chilli seeds anticipate the arrival of chemicals that slow their growth. In preparation, they undergo a growth spurt. The box surrounding the fennel would have blocked chemical signals, and Gagliano suggests sound may be involved.

In a separate experiment, chilli seeds growing next to a sealed-off chilli plant also consistently grew differently to seeds growing on their own, suggesting some form of signalling between the two.

Though the research is at an early stage, the results are worth pursuing, says Richard Karban of the University of California-Davis. They do suggest that plants have an as-yet-unidentified means of communication, he says, though it is not clear what that might be.

The key question is whether the boxes around the fennel plants really block all known signals, says Susan Dudley of McMaster University in Hamilton, Ontario, Canada. She concedes that plants make faint noises when water columns in their stems are disrupted, and that hearing functions in much the same way as the sense of touch - which plants have - but wants to see the results replicated before she is convinced that plants can hear. The study, she says, comes as a challenge to botanists to either refute or confirm.

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U.N. monitors try to verify new Syria massacre

BEIRUT (Reuters) - U.N. monitors tried on Thursday to check reports of a massacre of at least 78 villagers by forces loyal to President Bashar al-Assad - killings that prompted another U.S. demand for the Syrian leader to cede power and leave the country.

Opposition activists said up to 40 women and children were among the dead in Mazraat al-Qubeir, near Hama, on Wednesday, posting film on the Internet of bloodied or charred bodies.

Confirmation will pile pressure on world powers to act, but they have been paralyzed by rifts pitting Western and most Arab states against Assad's defenders in Russia, China and Iran.

Syria's pro-government Addounia TV said U.N. observers had arrived in Mazraat al-Qubeir. The chief of the U.N. mission said earlier that Syrian troops and civilians had barred them.

"They are being stopped at Syrian army checkpoints and in some cases turned back," General Robert Mood, the head of the U.N. observer mission, said in a statement. "Some of our patrols are being stopped by civilians in the area."

U.S. Secretary of State Hillary Clinton described the latest reported massacre, which follows one in which 108 people were slain in the Syrian town of Houla on May 25, as unconscionable.

"We are disgusted by what we are seeing (in Syria)," she told a news conference during a visit to Istanbul.

YEMEN-STYLE TRANSITION?

Clinton said the United States was willing to work with all U.N. Security Council members, which include Russia, on a conference on Syria's political future. But it would have to start with the premise that Assad and his government give way to a democratic government, she said.

Kofi Annan, the U.N.-Arab League envoy for Syria, was due to brief the U.N. Security Council in New York later on Thursday.

A senior Russian diplomat said Moscow would accept a Yemen-style power transition in Syria if were decided by the people, referring to a deal under which Yemeni leader Ali Abdullah Saleh stepped down in February after a year of unrest.

"The Yemen scenario was discussed by the Yemenis themselves. If this scenario is discussed by Syrians themselves and is adopted by them, we are not against it," Deputy Foreign Minister Mikhail Bogdanov said, according to the Interfax news agency.

A Syrian official in Hama denied reports from Mazraat al-Qubeir, telling the state news agency that residents had asked security forces for help after a "terrorist group committed ... a monstrous crime", killing nine women and children.

U.N. observers sent to Syria to verify what has proved to be a non-existent truce brokered by Annan investigated the Houla massacre, which the chief U.N. peacekeeper said was probably the work of Syrian troops and "shabbiha" militia.

Activists say pro-Assad gunmen also perpetrated the killings in Mazraat al-Qubeir, moving in to shoot, club and stab their victims, backed by army tanks that shelled the village earlier.

Syrian authorities have also denied responsibility for the Houla killings, blaming foreign-backed Islamist militants.

Footage purportedly from Mazraat al-Qubeir showed the bodies of at least a dozen women and children wrapped in blankets or white shrouds, as well as the remains of burned corpses.

"These are the children of the Mazraat al-Qubeir massacre ... Look, you Arabs and Muslims, is this a terrorist?" asks the cameraman, focusing on a dead infant's face. "This woman was a shepherd, and this was a schoolgirl."

BURNED BEYOND RECOGNITION

A Hama-based activist using the name Abu Ghazi listed more than 50 names of victims, many from the al-Yateem family, but said some burned bodies could not be identified. The bodies of between 25 and 30 men were taken away by the killers, he said.

Shabbiha, drawn mostly from Assad's minority Alawite sect that is an offshoot of Shi'ite Islam, have been blamed for the killings of civilians from the Sunni Muslim majority. That has raised fears of an Iraq-style sectarian bloodbath and worsened tensions between Shi'ite Iran and mainly Sunni-led Arab states.

Events in Syria's 15-month-old uprising are difficult to verify due to tight state curbs on international media access.

U.N. diplomats said they expected Annan to present the Security Council with a new proposal to rescue his failing peace plan - a "contact group" of world powers and regional ones like Saudi Arabia, Turkey, Qatar and Iran, which is an ally of Syria.

Rebel groups in Syria say they are no longer bound by Annan's truce plan and want foreign weapons and other support.

Western leaders, wary of new military engagements in the Muslim world, have offered sympathy but shown no appetite for taking on Assad's military, supplied by Russia and Iran.

Annan sees his proposed forum as a way to break a deadlock among the five permanent members of the Security Council, where Russia and China have twice vetoed resolutions critical of Syria that were backed by the United States, Britain and France.

It would seek to map out a political transition under which Assad would leave office ahead of free elections, envoys said.

Russian Foreign Minister Sergei Lavrov on Wednesday proposed an international meeting on Syria that would include the prime candidates for Annan's proposed contact group, including Iran.

Clinton, however, reacted coolly to that idea, accusing Iran of "stage-managing" Syria's repression of its opponents in which the United Nations says over 10,000 people have been killed.

German Foreign Minister Guido Westerwelle said it was important to involve Russia in peace efforts on Syria, saying the conflict there could ignite a regional conflagration.

"Assad's regime must know there is no protective hand over these atrocities," he said in Istanbul.

Leaders of a bloc grouping China, Russia and Central Asian states called on Thursday for dialogue to resolve the Syria conflict, rather than any firmer action by the Security Council.

The Shanghai Cooperation Organisation rejected military interference, "enforced handover of power" and unilateral sanctions, favoring a "broad nationwide dialogue, based on independence, territorial integrity and sovereignty of Syria."

France said it would host a conference of the "Friends of Syria" - countries hostile to Assad - on July 6.

(Additional reporting by Dominic Evans in Beirut, Khaled Yacoub Oweis in Amman, Louis Charbonneau at the United Nations, Steve Gutterman in Moscow, Arshad Mohammed in Istanbul and Balazs Koranyi, Gleb Bryanski and Chris Buckley; Editing by Alistair Lyon)

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Beneath Arctic ice, scientists find an ecosystem never imagined

Scientists report finding a massive bloom of phytoplankton hidden under Arctic ice, suggesting that, as the ice thins and melts, the region is becoming vastly more biologically productive.?

By Pete Spotts,?Staff writer / June 7, 2012

The moon rises over Arctic ice near the Applied Physics Laboratory Ice Station north of Prudhoe Bay, Alaska, in this file photo.

Lucas Jackson/REUTERS/File

Enlarge

Scientists have discovered a vast pea-soup-green bloom of tiny plant-like marine organisms under Arctic Ocean ice. The bloom represents an enormous, and until now, unknown reservoir of food for marine life in frigid waters at the top of the world.

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These waters, in sum, appear to be far more biologically productive than previously believed.

"This wasn't just any phytoplankton bloom," says Kevin Arrigo, a Stanford University marine scientist and lead author of the study. "It was literally the most intense phytoplankton bloom I've ever seen in my 25 years of doing this type of research" in oceans around the world.

The scientists sampled only a relatively small section of ice above the Arctic basin's continental shelves last summer. But the findings suggest that, where the mix of nutrients and sunlight are right, other areas around the basin could be highly productive as well, the researchers say.

The discovery could help explain why previous groups observing open water concluded that the region wasn't hot spot of biological productivity. And it could explain how the ocean has been absorbing larger quantities of carbon dioxide (CO2) from the atmosphere than data could verify, the researchers suggest.

A report on?the results from?a research cruise aboard the US Coast Guard Ice Breaker Healy last June and July?appears in the June 8 issue of the journal Science.?The two-year project, known as ICESCAPE, was funded by NASA.

In general,?much of what's known about activity at the bottom of the marine food chain in the Arctic has been learned by studying what's happening in open water. That is partly because researchers tend to visit the Arctic in the summer, when sea ice retreats and exposes more open ocean. Moreover,?satellites that can measure phytoplankton levels also can't detect what's happening under the ice.?

But science, too, suggested that open water was the place to look. Phytoplankton need light, and historically, summer sea ice was thick and ? at least early in the melt season ? topped with a thick layer of snow. Less than 1 percent of the sunlight hitting the surface made it to the ocean surface underneath, says Don Perovich, a geophysicist at the US Army Corps of Engineers' Cold Regions Research and Engineering Laboratory in Hanover, N.H.

But when the ice breaker turned from the open water of the Chukchi Sea, north of Alaska, and headed into the ice, something unexpected happened.

"I was sure that phytoplankton abundance would drop like a rock," Dr. Arrigo recalls.?

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Thursday, June 7, 2012

SteelSeries shows off new WoW wireless mouse, cache of corded rodents and a headset at E3

SteelSeries shows off new WoW wireless mouse, cache of corded rodents and a headset at E3

This time last year, SteelSeries showed us a headset and mouse meant for Diablo III, but at E3 2012, the company showed us a bunch of goodies. The highlight is the inaugural SteelSeries cordless offering, aptly named the World of Warcraft wireless mouse, which sports a themed skin and glowing white runes and logo on the palmrest (at least that's the plan, the prototype unit we saw didn't light up). Similarly, the charging base is studded in true Azeroth style and ringed in blue runes to let you know when it's powered up, plus it can be connected to your computer via microUSB if you want to play and charge simultaneously. It's PC and Mac compatible, comes with 11 programmable buttons, and once you've given it 60 minutes to fill its tank, you'll get up to 16 hours of continuous, intensive game play. It's set for a release in the latter half of this year and will cost $129.

Along with the WoW model, we also got to see the gunmetal grey MLG edition Sensei and a pair of special-edition Kana mice -- for Dota 2 and CounterStrike: Global Offensive -- each uniquely skinned in the style of their namesake games. To go along with the CS:GO rodent, there's an accompanying headset (a Siberia v2 with a camo paint job) as well. Rounding things out is a GuildWars 2 branded headset and Sensei mouse. The stereo headset is the on-ear variety, and its flexible white frame can be folded down during travel. A 3.5mm input resides at the base of each earcup, and the open jack can be used to connect another set of headphones to share your audio with a friend. The headset's priced at $100, while the mouse will retail for $70 and will land on store shelves when Guildwars 2 is released.

Continue reading SteelSeries shows off new WoW wireless mouse, cache of corded rodents and a headset at E3

SteelSeries shows off new WoW wireless mouse, cache of corded rodents and a headset at E3 originally appeared on Engadget on Wed, 06 Jun 2012 19:22:00 EDT. Please see our terms for use of feeds.

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How Romney Pushed State Health Bill

Romney

In this Friday, May 4, 2012, file photo Republican presidential candidate, former Massachusetts Gov. Mitt Romney campaigns in Pittsburgh, Pa. (AP Photo/Jae C. Hong, File)

The Wall Street Journal:

When Mitt Romney left office as Massachusetts governor, his aides removed all emails from a server computer in the governor's office, and purchased and carted off hard drives from 17 state-owned personal computers, according to a current state official.

Read the whole story at The Wall Street Journal

Also on HuffPost:

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Wednesday, June 6, 2012

Spy agency bequeaths two satellites to NASA, free of charge

The National Reconnaissance Office is giving NASA two spare space telescopes free of charge, each potentially more powerful than the Hubble Space Telescope.

By Tariq Malik,?SPACE.com / June 4, 2012

The Hubble Space Telescope got one last overhaul in May 2009 by NASA astronauts on the space shuttle Atlantis and has been sending home stunning new photos ever since. Seen here, the iconic space telescope orbits high above the Earth, after it was released at the close of the STS-125 servicing mission to once more gaze deep into the universe.

NASA

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The United States' spy satellite agency is giving NASA two spare space telescopes free of charge, each potentially more powerful than the Hubble Space Telescope, NASA officials announced today (June 4).

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The two?spy satellite telescopes?were originally built to fly space-based surveillance missions for the National Reconnaissance Office (NRO), but will be repurposed by NASA for astronomical research instead. Their donation to NASA was revealed in a surprise announcement.

Both NRO space telescopes have a main mirror nearly 8 feet wide (2.4 meters), rivaling the?Hubble Space Telescope, and also carry a secondary mirror to enhance image sharpness, according to press reports. NASA's Hubble telescope is a space icon that has been beaming stunning photos to Earth for 22 years.

NASA and NRO officials did not elaborate on the original design or mission for the reconnaissance telescopes, though officials?told the Washington Post?that the earliest either of the instruments could be recycled into a new space telescope and launched into orbit would be 2020. Finding the funding necessary to refit and launch the telescopes is a major hurdle, officials said.

NASA hopes to use one of the new space telescopes to hunt for mysterious dark energy, an invisible force that scientists think is responsible for the accelerating expansion of the universe.

During a media teleconference today, NASA officials said the two telescopes have an appearance similar to the Hubble telescope: They are cylindrical in shape and covered in shiny reflective insulation. The two telescopes do not currently have names, they added.

The Hubble space telescope, which launched in 1990, is the size of a school bus and has become an astronomical icon. But Hubble is also aging. Since its launch, Hubble has been repaired or upgraded five separate times, most recently in 2009 when NASA astronauts paid the last-ever service call on the venerable instrument.

Eventually, Hubble will be decommissioned and then intentionally destroyed by plunging into Earth's atmosphere over the Pacific Ocean.

Currently, NASA has no plans to replace Hubble, which is primarily an optical observatory, with a similar instrument. The space agency's next big orbital observatory is the James Webb Space Telescope, an infrared-only telescope designed to peer deep into the universe's 13.7 billion-year history.

You can follow SPACE.com Managing Editor Tariq Malik on Twitter?@tariqjmalik.?Follow SPACE.com for the latest in space science and exploration news on Twitter?@Spacedotcom?and on?Facebook.

Copyright 2012?SPACE.com, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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Monday, June 4, 2012

Losing faith in Democrats' religious outreach

WASHINGTON (AP) ? In 2008, Barack Obama took aim at the "pew gap," the overwhelming Republican edge among voters who regularly attend church.

The Democratic presidential nominee came nowhere near closing it, but he didn't have to. He just needed an extra percentage point or two among traditional GOP constituents, and he got it.

The Democratic National Committee is promising a repeat performance in 2012. But some religious leaders and scholars who backed Obama in 2008 are skeptical. They say the Democrats have, through neglect and lack of focus, squandered the substantial gains they made with religious moderates and worry it will hurt Obama in a tight race against Republican Mitt Romney.

The DNC's faith outreach director, the Rev. Derrick Harkins, said the party has strong relationships with religious groups. But as evidence of their concerns, critics point to the public debate that followed Obama's endorsement of gay marriage, a decision the president said was based in part on his Christian faith.

No prominent clergyperson was sent out as a surrogate by the administration to explain the religious argument in favor of same-sex relationships. Instead, the main religious voices connected to Obama in the public sphere were the ministers who serve as his personal spiritual advisers and generally oppose gay marriage. Those ministers who were willing to comment ? many weren't ? said they were struggling with Obama's decision.

"I think there is a viable religious left who can be persuaded by a carefully articulated religious argument, but no one is making it," said Valerie Cooper, a religious studies professor at the University of Virginia and Obama supporter. "I'm concerned that the administration has not followed through on the promise of 2008."

Cooper recently attended a White House briefing for academics on the work of the Office of Faith-Based and Neighborhood Partnerships. She and other religious scholars say they understand that pressing issues such as the economy had to be the priority. Still, they argued more could have been done to broaden the party's tent.

"I get frustrated when I talk to evangelical friends or students and they ask, 'How can you be a Christian and a Democrat?'" Cooper said.

David Kim, a Connecticut College religious studies professor, helped advise the 2008 campaign when videos of incendiary sermons by the Rev. Jeremiah Wright, Obama's former Chicago pastor, threatened to derail the nominee. Kim, who attended the briefing with Cooper, described the administration's faith-based work as "ad hoc" and "with no long-term strategy."

"I didn't really get a clear sense of what the mission is," Kim said.

In 2008, the Obama campaign sought ways to cooperate with religious moderates and conservatives and make them feel more welcome among Democrats. Many political veterans dismissed the idea as quixotic. For the past decade or so, exit polls have found that the more often a voter attends church, the more likely he was to back a conservative candidate, earning the GOP the nickname "God's Own Party."

The Obama campaign built grassroots support among religious voters by organizing "faith house parties," sending Roman Catholic and evangelical surrogates on the campaign trail, and holding faith caucus meetings at the party's national convention. Cooper remembers a conference call the campaign organized with Democrats who opposed abortion rights and a position paper the campaign circulated from a Catholic theologian about reducing the need for abortion.

According to exit polls, the effort paid off. Obama made gains over the 2004 nominee, Massachusetts Sen. John Kerry, with voters who attend religious services more than once a week, 43 percent to 35 percent. Obama also won 26 percent of the evangelical vote, compared with 21 percent for Kerry.

"It wasn't huge, but it was statistically significant," said John Green, director of the University of Akron's Bliss Institute for Applied Politics. Religious Democrats began to talk of a new era for the party.

But from 2008 to 2010, when control of Congress was at stake, the DNC cut its faith outreach staffing from more than six people to one part-timer, according to The Washington Post.

Harkins, appointed last October, is the senior pastor at the historic Nineteenth Street Baptist Church in Washington and has held many leadership positions, including as a past board member of the National Association of Evangelicals. He has little political or campaign experience.

Until last month, the Obama re-election campaign hadn't named a national director for religious outreach. Until he joined the campaign, 24-year-old Michael Wear was an executive assistant in the Faith-Based and Neighborhood Partnerships office.

Harkins said in a telephone interview that he brings to the job relationships built over years with clergy nationwide and noted that he works as part of a DNC team conducting voter outreach. The Obama campaign would not discuss specifics of its outreach, citing a policy of not disclosing staff numbers or strategy, but said efforts to reach religious voters have been part of the Operation Vote initiative targeting different constituencies.

"I don't think there's been any evidence of a deficit," Harkins said. "If there's a change we're seeking, it's to be broader, more robust, reaching a broader section of the faith community."

The issue is arising at a particularly sensitive time when Obama's critics are accusing him of enacting policies that are "choking" religious groups.

Catholic bishops have filed a dozen lawsuits nationwide challenging a Department of Health and Human Services mandate that most employers, including religious groups, provide insurance that covers birth control. The president has offered to shift the cost to insurance companies. But Catholic prelates said the accommodation still links the church to a practice that violates their beliefs.

Recently, evangelical, Orthodox Jewish, Catholic and Mormon leaders helped form in every state a new network of caucuses dedicated to religious liberty, with the birth control mandate as their initial focus.

The advocacy group Conscience Cause formed in February to rescind or revise the birth control mandate. The organization's board includes Jim Nicholson, the former U.S. ambassador to the Vatican under President George W. Bush, and Republican strategists Mary Matalin and Ed Gillespie. Gillespie is an adviser to the Romney campaign.

But some of the president's traditional allies are among the critics.

The Tablet, the British Catholic newsweekly read widely by American Catholic liberals, said in a recent editorial that Obama "has perhaps been misled into thinking that the widespread dissent to these teachings among Catholics means he can disregard the views of the bishops without having to pay an electoral penalty."

Four years ago, Douglas Kmiec, an anti-abortion former official in the Reagan administration, backed Obama, drawing widespread condemnation from fellow conservative Catholics. In a column last month in the liberal U.S. newspaper the National Catholic Reporter, Kmiec praised the University of Notre Dame for suing the administration over the narrow religious exemption in the birth control rule. In 2009, Notre Dame withstood intense criticism from American bishops and honored Obama, despite the president's support for abortion rights.

"Unwittingly, perhaps, the president has allowed his appointees to drift into the secular lane and stay there," Kmiec wrote.

Catholics, who comprised about one-quarter of the electorate in 2008, haven't voted in a bloc for decades, but the candidate who wins the most Catholic votes usually wins the election.

Some Democrats see no problem with consigning faith outreach to the sidelines. They argue that attempts to please moderate and conservative religious groups have kept Obama from fully enacting some policies important to party members. Among these critics are Democrats who consider church leaders' complaints about the scope of the birth control mandate an attempt to extend legal privileges to religious groups at the expense of women.

Advocates for faith outreach say that view is short-sighted, endangering the party and the president's re-election chances.

Keri B. Thompson, who specializes in political communication and teaches at Boston's Emerson College, had started volunteering for Obama when he ran for U.S. Senate from Illinois. In an interview after the White House briefing, Thompson said she was "thrilled" by the president's endorsement of gay marriage. But the day of Obama's statement, watching her Facebook page explode with comments, she said she saw some reservations amid the celebrating.

"There are some people in the religious community who are unsure," Thompson said. "I think they need to be brought to the table."

____

Rachel Zoll can be reached at www.twitter.com/rzollAP or rzoll (at) ap.org

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