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Friday, June 28, 2013

Moving to Feedly? Here are a few more app options to access your feeds

Feedly

We're in a transitional phase, but there are a few great choices for Feedly RSS clients out there

While we've already voiced our position on which RSS reader is still at the top of the heap after the move over to Feedly, we know that not every app works for every person. In the move over to new back-end syncing solutions from Google Reader we've lost (or are in the process of losing) a whole lot of well-made clients. Luckily a few have stayed quick on their feet and have made the transition away from Google Reader so that users still have a few choices in the RSS client space.

Let's also hope that more readers can come out of the woodwork and offer even more options going forward, but for now there are still a handful of great options in the Play Store. Hang with us after the break and try a few more RSS readers on for size, and see if you can find one that fits your needs.

Source: http://feedproxy.google.com/~r/androidcentral/~3/9bIUYIRdL04/story01.htm

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Call It The 25% Rule, ShareMyPlaylists Renamed Playlists.net To Reflect That Most Users Consume Content Only

The well-worn theory known as the 1% rule dictates that the number of people creating content within an Internet community represents only about 1% of the people consuming it. In other words -- shock! horror! -- most people consume a lot more content than they ever contribute. Reflecting a similar pattern, whereby only 25% of its users are uploading playlists versus the 75% who use the service purely for music discovery, is Spotify community ShareMyPlaylists, which today is being renamed Playlists.net to better represent that proposition.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/rRX6d480qxM/

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Microsoft Builds a Friendlier Windows 8.1 at Developer Conference

Microsoft's Build Developer Conference is taking place this morning in San Francisco. It's mostly a showcase for Windows 8.1, but it's also an opportunity for Redmond to turn the page on a new era.

Source: http://www.wired.com/gadgetlab/2013/06/microsoft-shows-off-a-friendlier-windows-8-1-at-build/

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Spiral galaxies like Milky Way bigger than thought

June 27, 2013 ? Let's all fist bump: Spiral galaxies like our own Milky Way appear to be much larger and more massive than previously believed, according to a new University of Colorado Boulder study by researchers using the Hubble Space Telescope.

CU-Boulder Professor John Stocke, study leader, said new observations with Hubble's $70 million Cosmic Origins Spectrograph, or COS, designed by CU-Boulder show that normal spiral galaxies are surrounded by halos of gas that can extend to over 1 million light-years in diameter. The current estimated diameter of the Milky Way, for example, is about 100,000 light-years. One light-year is roughly 6 trillion miles.

The material for galaxy halos detected by the CU-Boulder team originally was ejected from galaxies by exploding stars known as supernovae, a product of the star formation process, said Stocke of CU-Boulder's astrophysical and planetary sciences department. "This gas is stored and then recycled through an extended galaxy halo, falling back onto the galaxies to reinvigorate a new generation of star formation," he said. "In many ways this is the 'missing link' in galaxy evolution that we need to understand in detail in order to have a complete picture of the process."

Stocke gave a presentation on the research June 27 at the University of Edinburgh's Higgs Centre for Theoretical Physics in Scotland at a conference titled "Intergalactic Interactions." The CU-Boulder research team also included professors Michael Shull and James Green and research associates Brian Keeney, Charles Danforth, David Syphers and Cynthia Froning, as well as University of Wisconsin-Madison Professor Blair Savage.

Building on earlier studies identifying oxygen-rich gas clouds around spiral galaxies by scientists at the Space Telescope Science Institute in Baltimore, the University of Massachusetts, Amherst College and the University of California, Santa Cruz, Stocke and his colleagues determined that such clouds contain almost as much mass as all the stars in their respective galaxies. "This was a big surprise," said Stocke. "The new findings have significant consequences for how spiral galaxies change over time."

In addition, the CU-Boulder team discovered giant reservoirs of gas estimated to be millions of degrees Fahrenheit that were enshrouding the spiral galaxies and halos under study. The halos of the spiral galaxies were relatively cool by comparison -- just tens of thousands of degrees -- said Stocke, also a member of CU-Boulder's Center for Astrophysics and Space Astronomy, or CASA.

Shull, a professor in CU-Boulder's astrophysical and planetary sciences department and a member of CASA, emphasized that the study of such "circumgalactic" gas is in its infancy. "But given the expected lifetime of COS on Hubble, perhaps another five years, it should be possible to confirm these early detections, elaborate on the results and scan other spiral galaxies in the universe," he said.

Prior to the installation of COS on Hubble during NASA's final servicing mission in May 2009, theoretical studies showed that spiral galaxies should possess about five times more gas than was being detected by astronomers. The new observations with the extremely sensitive COS are now much more in line with the theories, said Stocke.

The CU-Boulder team used distant quasars -- the swirling centers of supermassive black holes -- as "flashlights" to track ultraviolet light as it passed through the extended gas haloes of foreground galaxies, said Stocke. The light absorbed by the gas was broken down by the spectrograph, much like a prism does, into characteristic color "fingerprints" that revealed temperatures, densities, velocities, distances and chemical compositions of the gas clouds.

"This gas is way too diffuse to allow its detection by direct imaging, so spectroscopy is the way to go," said Stocke. CU-Boulder's Green led the design team for COS, which was built by Ball Aerospace & Technologies Corp. of Boulder for NASA.

While astronomers hope the Hubble Space Telescope keeps on chugging for years to come, there will be no more servicing missions. And the James Webb Space Telescope, touted to be Hubble's successor beginning in late 2018, has no UV light-gathering capabilities, which will prevent astronomers from undertaking studies like those done with COS, said Green.

"Once Hubble ceases to function, we will lose the capability to study galaxy halos for perhaps a full generation of astronomers," said Stocke. "But for now, we are fortunate to have both Hubble and its Cosmic Origins Spectrograph to help us answer some of the most pressing issues in cosmology."

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/JOkGclMu0Qg/130627102625.htm

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Tuesday, April 23, 2013

CA-NEWS Summary

Canada thwarts "al Qaeda-supported" passenger train plot

TORONTO (Reuters) - Canadian police said on Monday they had arrested and charged two men with plotting to derail a Toronto-area passenger train in an operation they say was backed by al Qaeda elements in Iran. "Had this plot been carried out, it would have resulted in innocent people being killed or seriously injured," Royal Canadian Mounted Police official James Malizia told reporters.

French embassy in Tripoli hit by car bomb: embassy source

TRIPOLI (Reuters) - France's embassy in Libya has been hit by what appeared to be a car bomb, injuring two guards, an embassy official said on Tuesday. "There was an attack on the embassy. We think it was a booby trapped car," the official told Reuters.

North Korea demands recognition as nuclear arms state

SEOUL (Reuters) - North Korea demanded on Tuesday that it be recognized as a nuclear weapons state, rejecting a U.S. condition that it agree to give up its nuclear arms program before talks can begin. After weeks of tension on the Korean peninsula, including North Korean threats of nuclear war, the North has in recent days begun to at least talk about dialogue in response to calls for talks from both the United States and South Korea.

Security officials face questions over Boston Marathon bombings

BOSTON (Reuters) - Top security officials face a grilling from lawmakers on Tuesday over whether authorities who have charged one man with the Boston Marathon bombings may have overlooked warning signs two years ago flagging the other suspect. Dzhokhar Tsarnaev, 19, was formally charged with using a weapon of mass destruction and malicious destruction of property resulting in death at a bedside hearing on Monday in his hospital room, where he was recovering from gunshot wounds suffered in shootouts with police.

What next for Boston bombing suspect?

NEW YORK (Reuters) - A decision to charge the Boston Marathon bombing suspect in a civilian rather than a military court means he will face the same legal process as other federal criminal defendants in U.S. courts. Dzhokhar Tsarnaev, 19, was charged on Monday with using a weapon of mass destruction and malicious destruction of property resulting in death.

Japan nationalists near disputed isles, MPs visit shrine

EAST CHINA SEA (Reuters) - Japanese nationalists sailed a flotilla of boats on Tuesday in waters near islands at the centre of a row between China and Japan, putting further strain on Tokyo's tense ties with Beijing as a group of more than 160 Japanese lawmakers visited a shrine seen by critics a symbol of Japan's past militarism. Last year members of the same right-wing group landed on one of the disputed islets and triggered anti-Japanese protests in China, where lingering bitterness over Japan's wartime aggression has been rekindled in recent days.

Assad urges Lebanon to help fight his foes: Lebanese delegates

BEIRUT (Reuters) - Syrian President Bashar al-Assad believes neighboring Lebanon cannot shield itself from the civil war in his country and that both states should fight his opponents, three members of a Lebanese delegation who visited Assad said on Monday. Lebanon, which suffered its own civil war from 1975 to 1990 and endured a military presence by its historically dominant neighbor for 29 years until 2005, has maintained a policy of "dissociation" from Syria's two-year-old conflict.

Insight: China consolidates sea claims as Asian diplomacy struggles

MASINLOC, Philippines (Reuters) - For decades, fishermen along the northwestern Philippine coast treated the teeming fishing grounds of the Scarborough Shoal as their backyard, less than a day's boat ride away. Now, they see it as a foreign country.

Palestinian prisoner in deal with Israel to end fast

RAMALLAH, West Bank (Reuters) - A Palestinian prisoner held by Israel has agreed to end an on-off hunger strike on Monday which lasted for more than eight months in exchange for an early release, Palestinian officials told Reuters. The fast by Samer al-Issawi, 32, from a suburb of Jerusalem, had stoked weeks of street protests and concerns by Israel that his death might lead to mass unrest.

Irate Italian president to begin talks on new coalition

ROME (Reuters) - Italy's president launches urgent talks on Tuesday that could see a prime minister designated after two months of post-electoral stalemate that has weighed on a stagnant economy and alarmed Rome's partners in the euro. After directing an emotional blast of impatience on Monday at the very parliament which handed him an unprecedented - and heartily unwanted - second term as head of state at the weekend, 87-year-old Giorgio Napolitano has announced a "rapid round of consultations" with political leaders, starting early Tuesday.

Source: http://news.yahoo.com/ca-news-summary-003014290.html

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First 2,000-year-long temperature reconstructions for individual continents

Apr. 19, 2013 ? Past climate change varied remarkably between regions. This is demonstrated in a new study coordinated by the international Past Global Changes (PAGES) project, which reconstructed temperature over the past 1,000 to 2,000 years.

It is the first comprehensive temperature reconstruction on a continental scale. One of its main findings is that a general cooling trend, caused by different factors (e.g. orbital-driven insolation and changes in solar and volcanic activity), was ubiquitous across all continental-scale regions and was reversed by a distinct warm trend beginning at the end of the 19th century.

The scale of this project is impressive. Some 80 researchers from all over the world collaborated on the study, which has just been published in the scientific journal Nature Geoscience. In one of the widest-ranging efforts yet undertaken to reconstruct climate across the globe, the international author team evaluated data from all continents to track the evolution of temperatures over the past one to two millennia.

This major project was initiated and coordinated by the Past Global Changes (PAGES) organization. PAGES was established in 1991 to facilitate international research into understanding climatic and environmental dynamics by studying the past. The program receives funding mainly from the Swiss and US national science foundations. In 2006, ambitious scientists in the PAGES network decided to organize an initiative to reconstruct the climate of the last 2000 years in unprecedented quality.

The first results of the collective effort have now been published. "A key aspect of the consortium effort was to engage regional experts who are intimately familiar with the evidence for past climate changes within their regions," says Heinz Wanner, emeritus professor at the University of Bern and one of the original architects of the PAGES 2k Network.

"Several mathematical procedures were applied to reconstruct the continental temperature time series and they were compared to assess the extent to which the main conclusions of the study stood up to the different analytical approaches." Previous attempts to reconstruct temperature changes focused on hemispheric or global-scale averages, which are important, but overlook the pronounced regional-scale differences that occur along with global changes, he points out.

Natural climate archives and documentary sources

For the present study, "Continental-scale temperature variability during the last two millennia," the researchers drew up temperature curves for large regions at seven continents, using 511 local temperature records. These were based on the analysis of tree rings, pollen, corals, lake and marine sediments, ice cores and stalagmites as well as historical documents.

In most cases the data used were highly resolved, attesting to short-term variations over decades or less, rather than smoothing over centuries. In Africa, there were too few records to accurately determine long-term temperature changes for that continent. Nevertheless, the expansive new dataset will undoubtedly be used in future studies, including for comparisons with the output of climate models used to help project future climate change.

The evolution of temperature across all the continents was noticeably more similar within the hemispheres than between the Northern and Southern Hemisphere. "Distinctive periods, such as the Medieval Warm Period or the Little Ice Age stand out, but do not show a globally uniform pattern," says professor Heinz Wanner.

By around 1500 AD temperatures did indeed fall below the long-term mean everywhere. However, in the Arctic, Europe and Asia this temperature drop occurred several decades earlier than in North America and the Southern Hemisphere. These new findings will certainly stimulate vibrant discussions within the research community, Wanner believes.

Long-term cooling trend reversed

The most consistent feature across the regions over the last 2,000 years was a long-term cooling trend, which was likely caused by a combination of factors such as an overall increase in volcanic activity, a decrease in solar irradiance, changes in land cover, and slow changes in earth's orbit. This cooling only came to an end toward the end of the 19^th century.

The warming during the last century has reversed this long-term cooling, the study found. It remained cold only in Antarctica. An analysis of the average temperatures over 30-year periods indicates that interval from 1971-2000 was probably warmer than any other 30-year period in the last 1,400 years.

Cooler 30-year periods between the years 830 and 1910 AD were particularly pronounced during weak solar activity and strong tropical volcanic eruptions. Both phenomena often occurred simultaneously and led to a drop in the average temperature during five distinct 30- to 90-year intervals between 1251 and 1820.

Warming in the 20^th century was on average twice as large in the northern continents as it was in the Southern Hemisphere. During the past 2,000 years, some regions experienced warmer 30-year intervals than during the late 20^th century. For example, in Europe the years between 21 and 80 AD were possibly warmer than the period 1971-2000.

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The above story is reprinted from materials provided by University of Bern.

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

Journal Reference:

Moinuddin Ahmed, Kevin J. Anchukaitis, Asfawossen Asrat, Hemant P. Borgaonkar, Martina Braida, Brendan M. Buckley, Ulf B?ntgen, Brian M. Chase, Duncan A. Christie, Edward R. Cook, Mark A. J. Curran, Henry F. Diaz, Jan Esper, Ze-Xin Fan, Narayan P. Gaire, Quansheng Ge, Jo?lle Gergis, J Fidel Gonz?lez-Rouco, Hugues Goosse, Stefan W. Grab, Nicholas Graham, Rochelle Graham, Martin Grosjean, Sami T. Hanhij?rvi, Darrell S. Kaufman, Thorsten Kiefer, Katsuhiko Kimura, Atte A. Korhola, Paul J. Krusic, Antonio Lara, Anne-Marie L?zine, Fredrik C. Ljungqvist, Andrew M. Lorrey, J?rg Luterbacher, Val?rie Masson-Delmotte, Danny McCarroll, Joseph R. McConnell, Nicholas P. McKay, Mariano S. Morales, Andrew D. Moy, Robert Mulvaney, Ignacio A. Mundo, Takeshi Nakatsuka, David J. Nash, Raphael Neukom, Sharon E. Nicholson, Hans Oerter, Jonathan G. Palmer, Steven J. Phipps, Maria R. Prieto, Andres Rivera, Masaki Sano, Mirko Severi, Timothy M. Shanahan, Xuemei Shao, Feng Shi, Michael Sigl, Jason E. Smerdon, Olga N. Solomina, Eric J. Steig, Barbara Stenni, Meloth Thamban, Valerie Trouet, Chris S.M. Turney, Mohammed Umer, Tas van Ommen, Dirk Verschuren, Andre E. Viau, Ricardo Villalba, Bo M. Vinther, Lucien von Gunten, Sebastian Wagner, Eugene R. Wahl, Heinz Wanner, Johannes P. Werner, James W.C. White, Koh Yasue, Eduardo Zorita. Continental-scale temperature variability during the past two millennia. Nature Geoscience, 2013; DOI: 10.1038/NGEO1797

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/most_popular/~3/fzlybpPOjQw/130421152401.htm

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