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Graphene Membranes May Lead To Enhanced Natural Gas Production, Less CO2 Pollution, Says CU Study

By Guest PostOctober 16, 2012Environment, Science2010, andre geim, argon, atomic crystal, atomic scale, carbon atom, carbon dioxide, chicken wire, colorado boulder, diameter, emission, energy-efficient, engineering faculty, England, exhaust pipe, gas molecule, graphene membrane, hexagonal, hydrogen, industrial scale, john pellegrino, konstantin novoselov, lattice, luda wang, manchester university, membrane, methane, molecular sieve, molecular size, nanometer, natural gas, nature nanotechnology, nitrogen, nobel prize, oxidative etching, pore, power plant, production, scott bunch, sieving, size selective, steven koenig, sulphur hexafluoride, ultraviolet light, university

Engineering faculty and students at the University of Colorado Boulder have produced the first experimental results showing that atomically thin graphene membranes with tiny pores can effectively and efficiently separate gas molecules through size-selective sieving.

The findings are a significant step toward the realization of more energy-efficient membranes for natural gas production and for reducing carbon dioxide emissions from power plant exhaust pipes.

Mechanical engineering professors Scott Bunch and John Pellegrino co-authored a paper in Nature Nanotechnology with graduate students Steven Koenig and Luda Wang detailing the experiments. The paper was published Oct. 7 in the journal’s online edition. (more…)

Skyfall (2012)

By Guest PostOctober 13, 2012Entertainment007, action, adventure, bond, China, daniel craig, duntrune castle, England, istanbul, javier bardem, judi dench, london, m, mi6, movies, sam mendes, scotland, sequel, sony pictures, threat, turkey, united kingdom, united states, Yahoo

Synopsis

Bond’s loyalty to M is tested as her past comes back to haunt her. As MI6 comes under attack, 007 must track down and destroy the threat, no matter how personal the cost. (more…)

A Prime Seat to a Once-in-a-Lifetime Spectacle

By Guest PostJune 8, 2012Scienceadam block, alan strauss, astrophotographer, black void, digital slr camera, earth, east coast, England, exoplanets, expedition, filaments, Hubble Space Telescope, hydrogen alpha filter, jeremiah horrocks, liverpool, martin hamar, mount lemmon skycenter, much hoole, planet, planet venus, schulman telescope, southern arizona, sun, telescope, transit of venus, ua, venus, venus transit, village

Hosted by world-renowned astrophotographer Adam Block at the UA’s Mount Lemmon SkyCenter, a group of sky and astronomy enthusiasts watched Venus cross the sun from the highest vantage point in Southern Arizona.

On Nov. 24, 1639, in the tiny village of Much Hoole not far from Liverpool, England, a poor farmer’s son and self-taught astronomer affixed a sheet of paper in front of a makeshift telescope pointed at the sun and waited.

Thirty-five minutes before sunset, a dark, round spot appeared right next to the bright disc that was the sun’s face projected on the paper, and made Jeremiah Horrocks, only 20 years old at the time, the first known human to predict, observe and record a transit – the passage of a planet across the sun as seen from Earth.

Almost 373 years later, a group of sky enthusiasts is gathered beneath the dome of one of the University of Arizona’s observatories on Mount Lemmon just north of Tucson, Ariz. (more…)

A Bird’s Song May Teach Us About Human Speech Disorders

By Guest PostMarch 7, 2012Nature, Sciencearea x, austin hilliard, autism, basal ganglia, bat species, biostatistics, brain, cortex, disorder, dolphins, elephants, elizabeth fraley, England, flying and perching, foxp2, genes, genetic equivalent, human genetics, human stuttering, julie miller, language, male zebra finches, master gene, neuroscience, sexually mature, small bird, social network, song, songbird, speech, stephanie white, steve horvath, stroke, stuart wolpert, tissue, vocalization, zebra finch

*UCLA scientists identify 2,000 important genes*

Can the song of a small bird provide valuable insights into human stuttering and speech-related disorders and conditions, including autism and stroke? New research by UCLA life scientists and colleagues provides reason for optimism.

The scientists discovered that some 2,000 genes in a region of the male zebra finch’s brain known as “Area X” are significantly linked to singing. More than 1,500 genes in this region, a critical part of the bird’s song circuitry, are being reported for the first time. Previously, a group of scientists including the UCLA team had identified some 400 genes in Area X. All the genes’ levels of expression change when the bird sings. (more…)

In Conversation: Sir Peter Crane

By Guest PostMarch 6, 2012Environment, Sciencebuckingham palace, Chicago, energy, England, environmental changes, environmental issues, epa, evolutionary biologist, field museum, ginkgo, glaciation, interdisciplinary component, j gustave speth, liquid natural gas, manhattan, nature conservancy, nuclear plant, peace corps, Prince Charles, royal botanic gardens, school of management, sir peter crane, som, state department, street trees, ted snyder, urban system, Wall Street, world wildlife fund

Evolutionary biologist Sir Peter Crane has been dean of the Yale School of Forestry & Environmental Studies (F&ES) since 2009. A former director of Chicago’s Field Museum and chief executive of England’s Royal Botanic Gardens, Kew, he recently spoke with Yale News about F&ES’ internationalism, the role of business in environmental management, and what it was like to be knighted at Buckingham Palace, among other topics. The following is an edited version of that conversation. (more…)

Removal of Lymph Nodes During Surgery For Thyroid Cancer May Be Beneficial

By Guest PostDecember 22, 2011Healthaleksandra popadich, australia, biopsy, blood thyroglobulin levels, clnd, disease, England, group a patients, group b patients, lymph nodes, mark sywak, michael yeh, neck, papillary cancer, prophylactic central neck lymph node dissection, rate of disease recurrence, removal of neck lymph nodes, stan sidhu, thyroglobulin, thyroid cancer, thyroid malignancies, thyroid surgery, thyroid tumor marker, ultrasound, university of sydney, US

*Procedure may reduce recurrence rates, lower tumor marker levels*

Papillary thyroid cancer accounts for the majority of all thyroid malignancies, which primarily impact women. A new study indicates that routinely removing lymph nodes in the neck in these cancer patients may help prevent the disease from coming back.

When thyroid cancer metastasizes, lymph nodes in the neck may be affected, but these lymph-node tumors can be tiny and may not be detected by ultrasounds done before surgery to remove the diseased thyroid — or even during the procedure itself. (more…)

Astronomer Tom Gehrels, 1925-2011

By Guest PostJuly 14, 2011Scienceasteroids and comets, astronomer, astronomy, Britain, Chicago, dutch resistance, earth, England, gerard p kuiper, haarlemmermeer, harold masursky award, imaging photopolarimetry, jupiter, kitt peak, leiden university, nobel astrophysicist, saturn, saturn mysterious f ring, special operations executive, study of wavelength dependence of polarization of stars and planets, subrahmanyan chandrasekhar, the netherlands, tom gehrels, universal evolution, university of arizona, university of chicago

*In a career that spanned more than half a century, Gehrels fostered new research on asteroids and comets, including those that pose a threat to Earth.*

Tom Gehrels, an internationally noted planetary scientist and astronomer at the University of Arizona, as well as a hero of the Dutch Resistance during WWII, died Monday. He was 86.

Gehrels was among the first members of the fledgling Lunar and Planetary Laboratory when he joined the UA in 1961. During a long and distinguished career Gehrels pioneered new research on asteroids and comets, especially those that pose a collision threat to Earth. He also developed and taught introductory astronomy courses that were popular with non-science undergraduates. (more…)

India Turns to the Web for the Latest Updates During 2011 Cricket World Cup

By Guest PostMarch 28, 2011Technologyaustralia, Bangladesh, Comscore, cricket, cricket websites, cricket world cup, England, espncricinfo, India, internet traffic, joe nguyen, Pakistan, southeast asia, yahoo cricket, zimbabwe

*India vs. South Africa Match Drives More than 1.4 Million Visitors to ESPNCricInfo.com in India*

Mumbai, India, March 28, 2011 – comScore, Inc., a leader in measuring the digital world, today released results from a study of Internet traffic to cricket websites during the 2011 Cricket World Cup. The report found that the tournament caused a surge in visitation to cricket sites in India as fans went online for the latest results and match updates. Sites reached their highest volume of traffic for the month during the week ending March 13, with 16.4 percent of India’s online population visiting ESPNCricInfo.com and 13.4 percent of web users visiting Yahoo! Cricket. (more…)

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