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HANOI cheap air max 90 clearance , Jan. 24 (Xinhua) -- Vietnamese travel agencies are launching special package tours to China's Changzhou city of Jiangsu province to serve football fans who want to watch the 2018 AFC (Asian Football Confederation) U-23 Championship final match between Vietnam and Uzbekistan on Saturday.


Hanoi Red Tours is offering a three-day tour to Shanghai and Changzhou starting on Friday at a price tag of 18.9 million Vietnamese dong (836 U.S. dollars), the local firm announced on Wednesday.


Vietravel has launched four package tours to the two Chinese cities at different time frame at prices of 20-25 million Vietnamese dong (885-1 cheap air max clearance ,106 U.S. dollars), including tickets for the final match.


Hanoitourist cheap nike air max 90 sale , AnzTravel, PanvinTours and QueenTour are offering similar tours with starting prices of 12.5 million Vietnamese dong (553 U.S. dollars).


On Tuesday in Changzhou cheap nike air max sale , in an AFC U23 Championship semifinal game, Vietnam defeated Qatar 4-3 in a penalty shootout after a draw of 2-2 at the end of extra-time.


By Wednesday morning cheap air max 90 sale , many Vietnamese agencies and companies had pledged to offer combined rewards of some 20 billion Vietnamese dong (885,000 U.S. dollars) to Vietnam's U23 squad.




WASHINGTON cheap air max sale , Jan. 24 (Xinhua) -- U.S. President Donald Trump will welcome his French counterpart Emmanuel Macron for an official state visit,the White House said Wednesday.


Macron has been invited to the White House for his "first state visit" under the Trump administration cheap nike air max 90 shoes , said White House Press Secretary Sarah Huckabee Sanders at a daily briefing.


"The date is still being finalized and we don't have that yet done," Sanders said.


Macron's visit is scheduled for the end of April cheap nike air max shoes , U.S. media cited senior Trump administration officials as saying Tuesday.


Trump and Macron met and phoned each other several times last year. The two struggled to soften their divergence over climate change and trade liberalization by seeking common ground on security and the fight against terrorism.


Trump visited Paris in July 2017, weeks after the U.S. withdrawal from the Paris climate accord.



culation" and that the ministry would not comment on speculation.


The official said he had no information about the woman and could not confirm that her husband is Turkish.


The official spoke on condition of anonymity in line with government rules that bar officials from speaking to journalists without prior authorization.




SAN FRANCISCO， Aug. 7 (Xinhua) -- Researchers at the University of California， Berkeley， suggest brains that continue to perform well in old age， against odds that they are slower and less accurate in short-term memory compared to those of younger people， do so by rallying more of the brain to complete mental tasks.


"We think this pattern of increased connectivity between frontal regions and other modules in the brain reflects a more integrated network architecture that is key for successful performance of executive control tasks in aging，" said UC Berkeley graduate student Courtney Gallen， who worked with her colleagues on a study published in the August issue of the journal Neurobiology of Aging.


Under the direction of her thesis adviser Mark D' Esposito， a UC Berkeley professor of psychology， the researchers compared 18 adults in their 20s to 38 healthy people age 60 and older.


They found that the older study subjects showed larger changes than younger subjects in the organization of brain networks between a task-free state and performing a task， and that those who did not exhibit this adaptation in brain signaling were less adept in performing tasks.


"Executive control" functions are thought to underlie humans' ability to flexibly change thinking and behaviors and to solve problems.


Using functional magnetic resonance imaging (fMRI) to track communication within specific brain sub-networks - called modules - and connections made across different modules， the researchers also found that the structural integrity of the superior longitudinal fasciculus (SLF)， which anatomically connects frontal and posterior brain regions important for short-term memory， was associated with older subjects' likelihood of exhibiting the transition to the more interconnected communication between brain regions that in turn was linked to better performance of tasks.


With focus was on the frontal cortex， which is critical for executive functions， and its connections to other parts of the brain during fMRI scanning， the researchers asked participants to perform four different tasks in two-minute trials， with five trials assigned to each participant for each task.


Images of faces and scenes， each selected from a set of 10， were flashed before the subjects sequentially， with each displayed for six-tenths of a second， followed by a pause of varying length before the next was displayed.


The easiest task required participants to press a button to categorize a displayed image as either a scene or a face， and the most difficult task was to recall both the previous face and previous scene.


Compared to a task-free "resting state，" older adults performing tasks of any difficulty recruited additional between-module connections. In contrast， younger adults recruited additional between-module connections only for the most difficult task.


Most previous research in which researchers looked at age-related changes in brain function due to specific cognitive demands focused on activation of individual brain regions rather than taking a network approach， Gallen said in a news release from UC Berkeley.


Earlier studies showed that frontal activity in the brain increases in older adults compared to younger adults during less-demanding cognitive tasks.