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Tina Fey can do just about anything: Create and star in "30 Rock," co-host the Golden Globes, and now star alongside Paul Rudd in her newest film "Admission." But there's one thing she just isn't going to do, no matter how many times people ask: Host the Oscars.
"No!" she told TODAY's Savannah Guthrie Tuesday emphatically. "I'm happy to be able to say, 'No, thank you!' ... It's just so hard, it's super hard. And for a woman, the number of dresses you have to try on and the amount of tricep dips, forget it!"
TODAY Style: Tina Fey swaps out signature glasses
So that's out. What's not out is "Admission," in which she plays a college admissions officer who discovers an applicant might be the child she gave up for adoption. Additionally -- no real surprise -- Fey's character is a wound-tight overachiever. "It's super dramatic acting," said Fey with a wry tone. "Not since Daniel Day-Lewis has there been such an amazing stretch, acting-wise."
But now that she's done filming the movie and her show "30 Rock" has ended after seven seasons, what will Fey be doing with her time??
"Children eat your time so beautifully," she noted, referring to her two young daughters. "(Not working) is OK because right now it just feels like we're on hiatus. I think come September I'll be wandering, I'll just kind of be walking out there" she gestured at the TODAY Plaza "in pajama pants and a coat going, 'Where do I work?'"
(Newser)
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Take Florida, add in Walmart, and you have a recipe for a bizarre crime story: This time around, a woman was arrested after pulling a gun on Walmart employees ... because they wouldn't take her coupon. The kicker: The coupon was only for $1 off. Mary Frances Alday reportedly got upset and started "verbally abusing" the assistant manager while being escorted out of the store Friday; she also hit the employee with a shopping cart, according to her arrest report. Then she allegedly went to her car and retrieved a handgun, which she promptly started waving at four employees outside.
She got back in her car and left the scene, but was soon stopped by authorities. Asked if she had a gun, Alday replied, "Yes, I have a concealed weapons permit, and you are not taking my gun," USA Today reports. Oh, but they did: When Alday refused to get out of her SUV and started reaching for something, she got Tasered twice and eventually pulled from the vehicle, handcuffed, arrested, and hit with quite a few charges. She's currently in jail. For more Florida + Walmart fun, click here and here.
VIENNA (Reuters) - The U.S. ambassador to the United Nations nuclear watchdog walked out of an agency meeting on Wednesday in protest when Iran's representative accused Washington's ally Israel of "genocide", diplomats said.
Officials from Canada and Australia also left the closed-door meeting of the International Atomic Energy Agency's (IAEA) 35-nation governing board when Iran's Ali Asghar Soltanieh made his statement during a debate on Syria, they said.
They later returned to the closed-door IAEA meeting, where such action is unusual though it has happened before in other international forums.
Soltanieh was not immediately available for comment. Iran has often criticized Israeli policies towards the Palestinians. It has also said Israel would be wiped "off the face of the earth" if the Jewish state attacked it.
U.S. envoy Joseph Macmanus's walkout highlighted tensions with Tehran a few hours after he accused the Islamic Republic of a "commitment to deception, defiance, and delay" in addressing IAEA concerns about possible nuclear weapons-related research.
The European Union also used the meeting to call on Iran to stop obstructing an IAEA investigation and give the agency access to sites and documents, regardless of broader talks between Iran and world powers that resumed last week.
Some diplomats say Iran is using its meetings with the IAEA merely for leverage in negotiations with world powers which, unlike the U.N. agency, have the power to ease sanctions that they have recently tightened on the major oil producer.
"Iran is inviting further isolation, pressure and censure from the international community ... until it meets its obligations and addresses the board's concerns," Macmanus said.
During the debate on Iran, which happened before the board turned its attention to Syria, Soltanieh said the allegations over his country's nuclear work were "baseless" and suggested the IAEA, not Tehran, was to blame for the failure so far to revive the stalled inquiry.
Saying U.N. inspectors had found no evidence of any diversion of nuclear material or activities to military purposes, Soltanieh told the board: "Nuclear weapons have no place in the defense doctrine of Iran."
Macmanus accused Iran of "provocative actions", particularly the installation of advanced centrifuges that would enable it to speed up its uranium enrichment.
INSPECTOR ACCESS
Western countries fear Iran is enriching uranium to develop the capacity to build nuclear weapons and have imposed several rounds of sanctions. Iran says the program is legitimate and intended for purely peaceful purposes.
Israel - widely assumed to have the Middle East's only nuclear arsenal - says Tehran is secretly trying to develop nuclear weapons and has threatened pre-emptive strikes if it deems diplomacy ultimately futile.
Yukiya Amano, the 65-year-old Japanese diplomat appointed to a second four-year term as head of the IAEA on Wednesday said he his aim was to help resolve the Iran nuclear issue through diplomatic means.
"For that I need cooperation from Iran," he told reporters.
The Vienna-based IAEA has been trying for more than a year to persuade Iran to give it the access it says it needs for its investigation, so far without progress.
Iran has refused IAEA requests to visit the Parchin military site, where inspectors suspect explosives tests relevant for nuclear weapons development took place, possibly a decade ago.
Iran says it first needs to agree with the IAEA on how the inquiry is to be conducted before allowing any Parchin visit.
Last week, six world powers resumed talks with Iran aimed at finding a diplomatic settlement to a decade-old dispute that threatens to trigger a new Middle East war. The only progress was an agreement to hold more talks.
The United States, China, France, Russia, Britain and Germany offered modest relief from economic sanctions in return for Iran scaling back its most sensitive nuclear activity.
Iran called the talks a potential "turning point" but Western officials were more cautious, merely describing the meeting as "useful".
(Additional reporting by Derek Brooks; Editing by Robin Pomeroy and Michael Roddy)
If you could lick the surface of Jupiter's icy moon Europa, you would actually be sampling a bit of the ocean beneath. So says Mike Brown, an astronomer at the California Institute of Technology (Caltech). Brown?known as the Pluto killer for discovering a Kuiper-belt object that led to the demotion of Pluto from planetary status?and Kevin Hand from the Jet Propulsion Laboratory (JPL) have found the strongest evidence yet that salty water from the vast liquid ocean beneath Europa's frozen exterior actually makes its way to the surface.
The finding, based on some of the first data of its kind since NASA's Galileo mission (1989) to study Jupiter and its moons, suggests that there is a chemical exchange between the ocean and surface, making the ocean a richer chemical environment, and implies that learning more about the ocean could be as simple as analyzing the moon's surface. The work is described in a paper that has been accepted for publication in the Astronomical Journal.
"We now have evidence that Europa's ocean is not isolated?that the ocean and the surface talk to each other and exchange chemicals," says Brown, the Richard and Barbara Rosenberg Professor and professor of planetary astronomy at Caltech. "That means that energy might be going into the ocean, which is important in terms of the possibilities for life there. It also means that if you'd like to know what's in the ocean, you can just go to the surface and scrape some off."
"The surface ice is providing us a window into that potentially habitable ocean below," says Hand, deputy chief scientist for solar system exploration at JPL.
Since the days of the Galileo mission, when the spacecraft showed that Europa was covered with an icy shell, scientists have debated the composition of Europa's surface. The infrared spectrometer aboard Galileo was not capable of providing the detail needed to definitively identify some of the materials present on the surface. Now, using current technology on ground-based telescopes, Brown and Hand have identified a spectroscopic feature on Europa's surface that indicates the presence of a magnesium sulfate salt, a mineral called epsomite, that could only originate from the ocean below.
"Magnesium should not be on the surface of Europa unless it's coming from the ocean," Brown says. "So that means ocean water gets onto the surface, and stuff on the surface presumably gets into the ocean water."
Europa's ocean is thought to be 100 kilometers deep and covers the entire globe. The moon remains locked in relation to Jupiter, with the same hemisphere always leading and the other trailing in its orbit. The leading hemisphere has a yellowish appearance, while the trailing hemisphere seems to be splattered and streaked with a red material.
The spectroscopic data from that red side has been a cause of scientific debate for 15 years. It is thought that one of Jupiter's largest moons, Io, spews volcanic sulfur from its atmosphere, and Jupiter's strong magnetic field sends some of that sulfur hurtling toward the trailing hemisphere of Europa, where it sticks. It is also clear from Galileo's data that there is something other than pure water ice on the trailing hemisphere's surface. The debate has focused on what that other something is?i.e., what has caused the spectroscopic data to deviate from the signature of pure water ice.
"From Galileo's spectra, people knew something was there besides water. They argued for years over what it might be?sodium sulfate, hydrogen sulfate, sodium hydrogen carbonate, all these things that look more or less similar in this range of the spectrum," says Brown. "But the really difficult thing was that the spectrometer on the Galileo spacecraft was just too coarse."
Brown and Hand decided that the latest spectrometers on ground-based telescopes could improve the data pertaining to Europa, even from a distance of about 400 million miles. Using the Keck II telescope on Mauna Kea?which is outfitted with adaptive optics to adjust for the blurring effect of Earth's atmosphere?and its OH-Suppressing Infrared Integral Field Spectrograph (OSIRIS), they first mapped the distribution of pure water ice versus anything else on the moon. The spectra showed that even Europa's leading hemisphere contains significant amounts of nonwater ice. Then, at low latitudes on the trailing hemisphere?the area with the greatest concentration of the nonwater ice material?they found a tiny dip in the spectrum that had never been detected before.
"We now have the best spectrum of this thing in the world," Brown says. "Nobody knew there was this little dip in the spectrum because no one had the resolution to zoom in on it before."
The two researchers racked their brains to come up with materials that might explain the new spectroscopic feature, and then tested everything from sodium chloride to Drano in Hand's lab at JPL, where he tries to simulate the environments found on various icy worlds. "We tried to think outside the box to consider all sorts of other possibilities, but at the end of the day, the magnesium sulfate persisted," Hand says.
Some scientists had long suspected that magnesium sulfate was on the surface of Europa. But, Brown says, "the interesting twist is that it doesn't look like the magnesium sulfate is coming from the ocean." Since the mineral he and Hand found is only on the trailing side, where the moon is being bombarded with sulfur from Io, they believe that there is a magnesium-bearing mineral everywhere on Europa that produces magnesium sulfate in combination with sulfur. The pervasive magnesium-bearing mineral might also be what makes up the nonwater ice detected on the leading hemisphere's surface.
Brown and Hand believe that this mystery magnesium-bearing mineral is magnesium chloride. But magnesium is not the only unexpected element on the surface of Europa. Fifteen years ago, Brown showed that Europa is surrounded by an atmosphere of atomic sodium and potassium, presumably originating from the surface. The researchers reason that the sodium and potassium chlorides are actually the dominant salts on the surface of Europa, but that they are not detectable because they have no clear spectral features.
The scientists combined this information with the fact that Europa's ocean can only be one of two types?either sulfate-rich or chlorine-rich. Having ruled out the sulfate-rich version since magnesium sulfate was found only on the trailing side, Brown and Hand hypothesize that the ocean is chlorine-rich and that the sodium and potassium must be present as chlorides.
Therefore, Brown says, they believe the composition of Europa's sea closely resembles the salty ocean of Earth. "If you could go swim down in the ocean of Europa and taste it, it would just taste like normal old salt," he says.
Hand emphasizes that, from an astrobiology standpoint, Europa is considered a premier target in the search for life beyond Earth; a NASA-funded study team led by JPL and the Johns Hopkins University Applied Physics Laboratory have been working with the scientific community to identify options to explore Europa further. "If we've learned anything about life on Earth, it's that where there's liquid water, there's generally life," Hand says. "And of course our ocean is a nice salty ocean. Perhaps Europa's salty ocean is also a wonderful place for life."
###
California Institute of Technology: http://www.caltech.edu
Thanks to California Institute of Technology for this article.
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Texas A&M research contributes to improved ultrasound imagingPublic release date: 5-Mar-2013 [ | E-mail | Share ]
Contact: Ryan Garcia 979-847-5833 Texas A&M University
Ultrasound technology could soon experience a significant upgrade that would enable it to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers that includes a professor in the Department of Biomedical Engineering at Texas A&M University.
The material, which converts ultrasound waves into optical signals that can be used to produce an image, is the result of a collaborative effort by Texas A&M Professor Vladislav Yakovlev and researchers from King's College London, The Queen's University of Belfast and the University of Massachusetts Lowell. Their findings appear in the current issue of "Advanced Materials."
The engineered material, known as a "metamaterial," offers significant advantages over conventional ultrasound technology, which generates images by converting ultrasound waves into electrical signals, Yakovlev explains. Although that technology has advanced throughout the years think of the improvement in sonogram images it is still largely constrained by bandwidth and sensitivity limitations, he says. These limitations, he adds, have been the chief obstacle when it comes to producing high-quality images that can serve as powerful diagnostic tools.
The metamaterial developed by Yakovlev and his colleagues is not subject to those limitations, primarily because it converts ultrasound waves into optical signals rather than electrical ones. The optical processing of the signal does not limit the bandwidth or sensitivity of the transducer (converter) and that's important for producing highly detailed images, Yakovlev says.
"A high bandwidth allows you to sample the change of distance of the acoustic waves with a high precision," Yakovlev notes. "This translates into an image that shows greater detail. Greater sensitivity enables you to see deeper in tissue, suggesting we have the potential to generate images that might have previously not been possible with conventional ultrasound technology."
In other words, this new material may enable ultrasound devices to see what they haven't yet been able to see. That advancement could significantly bolster a technology that is employed in a variety of biomedical applications. In addition to being used for visualizing fetuses during routine and emergency care, ultrasound is used for diagnostic purposes in incidents of trauma and even as a means of breaking up tissue and accelerating the effects of drugs therapies.
While Yakovlev's research is not yet ready for integration into ultrasound technology, it has successfully demonstrated how conventional technology can be substantially improved by using the newly engineering material created by his team, he notes.
The material, he notes, consists of golden nanorods embedded in a polymer known as polypyrrole. An optical signal is sent into this material where it interacts with and is altered by incoming ultrasound waves before passing through the material. A detection device would then read the altered optical signal, analyzing the changes in its optical properties to process a higher resolution image, Yakovlev explains.
"We developed a material that would enable optical signal processing of ultrasound," Yakovlev says. "Nothing like this material exists in nature so we engineered a material that would provide the properties we needed. It has greater sensitivity and broader bandwidth. We can go from 0-150 MHz without sacrificing the sensitivity. Current technology typically experiences a substantial decline in sensitivity around 50 MHz.
"This metamaterial can efficiently convert an acoustic wave into an optical signal without limiting the bandwidth of the transducer, and its potential biomedical applications represent the first practical implementation of this metamaterial."
###
Yakovlev's collaborators are Wayne Dickson and Anatoly Zayats of King's College London; John McPhillips, Antony Murphy and Robert Pollard of The Queen's University of Belfast; and Viktor Podolskiy of the University of Massachusetts Lowell.
About Research at Texas A&M University:
As one of the world's leading research institutions, Texas A&M is in the vanguard in making significant contributions to the storehouse of knowledge, including that of science and technology. Research conducted at Texas A&M represents an annual investment of more than $700 million. That research creates new knowledge that provides basic, fundamental and applied contributions resulting in many cases in economic benefits to the state, nation and world.
Media contact:
Professor Vladislav Yakovlev at 979-458-2326 or yakovlev@tamu.edu or
Ryan A. Garcia at 979-847-5833 or ryan.garcia99@tamu.edu.
More news about Texas A&M University, go to: http://tamutimes.tamu.edu/.
Follow us on Twitter at http://twitter.com/tamu/
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Texas A&M research contributes to improved ultrasound imagingPublic release date: 5-Mar-2013 [ | E-mail | Share ]
Contact: Ryan Garcia 979-847-5833 Texas A&M University
Ultrasound technology could soon experience a significant upgrade that would enable it to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers that includes a professor in the Department of Biomedical Engineering at Texas A&M University.
The material, which converts ultrasound waves into optical signals that can be used to produce an image, is the result of a collaborative effort by Texas A&M Professor Vladislav Yakovlev and researchers from King's College London, The Queen's University of Belfast and the University of Massachusetts Lowell. Their findings appear in the current issue of "Advanced Materials."
The engineered material, known as a "metamaterial," offers significant advantages over conventional ultrasound technology, which generates images by converting ultrasound waves into electrical signals, Yakovlev explains. Although that technology has advanced throughout the years think of the improvement in sonogram images it is still largely constrained by bandwidth and sensitivity limitations, he says. These limitations, he adds, have been the chief obstacle when it comes to producing high-quality images that can serve as powerful diagnostic tools.
The metamaterial developed by Yakovlev and his colleagues is not subject to those limitations, primarily because it converts ultrasound waves into optical signals rather than electrical ones. The optical processing of the signal does not limit the bandwidth or sensitivity of the transducer (converter) and that's important for producing highly detailed images, Yakovlev says.
"A high bandwidth allows you to sample the change of distance of the acoustic waves with a high precision," Yakovlev notes. "This translates into an image that shows greater detail. Greater sensitivity enables you to see deeper in tissue, suggesting we have the potential to generate images that might have previously not been possible with conventional ultrasound technology."
In other words, this new material may enable ultrasound devices to see what they haven't yet been able to see. That advancement could significantly bolster a technology that is employed in a variety of biomedical applications. In addition to being used for visualizing fetuses during routine and emergency care, ultrasound is used for diagnostic purposes in incidents of trauma and even as a means of breaking up tissue and accelerating the effects of drugs therapies.
While Yakovlev's research is not yet ready for integration into ultrasound technology, it has successfully demonstrated how conventional technology can be substantially improved by using the newly engineering material created by his team, he notes.
The material, he notes, consists of golden nanorods embedded in a polymer known as polypyrrole. An optical signal is sent into this material where it interacts with and is altered by incoming ultrasound waves before passing through the material. A detection device would then read the altered optical signal, analyzing the changes in its optical properties to process a higher resolution image, Yakovlev explains.
"We developed a material that would enable optical signal processing of ultrasound," Yakovlev says. "Nothing like this material exists in nature so we engineered a material that would provide the properties we needed. It has greater sensitivity and broader bandwidth. We can go from 0-150 MHz without sacrificing the sensitivity. Current technology typically experiences a substantial decline in sensitivity around 50 MHz.
"This metamaterial can efficiently convert an acoustic wave into an optical signal without limiting the bandwidth of the transducer, and its potential biomedical applications represent the first practical implementation of this metamaterial."
###
Yakovlev's collaborators are Wayne Dickson and Anatoly Zayats of King's College London; John McPhillips, Antony Murphy and Robert Pollard of The Queen's University of Belfast; and Viktor Podolskiy of the University of Massachusetts Lowell.
About Research at Texas A&M University:
As one of the world's leading research institutions, Texas A&M is in the vanguard in making significant contributions to the storehouse of knowledge, including that of science and technology. Research conducted at Texas A&M represents an annual investment of more than $700 million. That research creates new knowledge that provides basic, fundamental and applied contributions resulting in many cases in economic benefits to the state, nation and world.
Media contact:
Professor Vladislav Yakovlev at 979-458-2326 or yakovlev@tamu.edu or
Ryan A. Garcia at 979-847-5833 or ryan.garcia99@tamu.edu.
More news about Texas A&M University, go to: http://tamutimes.tamu.edu/.
Follow us on Twitter at http://twitter.com/tamu/
[ | E-mail | Share ]
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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
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