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SEOUL Cheap Jerseys China , Dec. 21 (Xinhua) -- South Korean President Moon Jae-in's approval rating stayed high after his recent state visit to China, stopping the third consecutive week's downward trend, a weekly poll showed Thursday.

According to the Realmeter survey, support for Moon was 68.7 percent this week Cheap Jerseys , up 0.1 percentage point from a week earlier. It was the first increase in four weeks.

The result was based on a poll of 1,508 voters conducted from Monday to Wednesday. It had 2.5 percentage points in margin of error with a 95 percent confidence level.

The pollster said supporters for Moon were not affected by some South Korean media's negative reports on his trip to China last week.

Some of the rightist conservative South Korean media outlets negatively reported on Moon's visit to China, but according to a separate survey by Realmeter, most respondents said such reports were unfair.

Moon's ruling Democratic Party maintained the top spot with a support rate of 51.1 percent. It was followed by the main opposition Liberty Korea Party with 18.5 percent.

The minor progressive Justice Party came next with 6 percent of support scores Cheap Chicago Cubs Jerseys , followed by the minor conservative Righteous Party with 5.1 percent and the centrist People's Party with 4.9 percent each.

The Trump administration put new requirements in place on Friday for the 38 countries participating in the U.S. Visa Waiver Program, including that they use U.S. counterterrorism data to screen travelers, officials said.

The program allows citizens of mainly European countries to travel to the United States for up to 90 days without a visa. Citizens from the 38 countries are required to obtain a so-called travel authorization to enter the United States.

President Donald Trump has sought to tighten the rules for those seeking to visit or live in the United States in several ways, saying restrictions are necessary for security reasons.

The changes will apply to all countries in the program. One change is that they will be required to use U.S. information to screen travelers crossing their borders from third countries. Many countries in the program already do that Cheap Boston Red Sox Jerseys , one administration official said.

Countries whose citizens stay longer than authorized during visits to the United States at a relatively higher rate will be required to conduct public awareness campaigns on the consequences of overstays, the officials said. One existing penalty is that people who overstay a visit may not travel visa-free to the United States in the future.

The threshold for the overstay rate triggering the public information campaign requirement is two percent, the officials said. In the 2016 fiscal year, of the VWP countries Cheap Arizona Diamondbacks Jerseys , Greece, Hungary, Portugal, and San Marino Cheap Atlanta Braves Jerseys , a wealthy enclave landlocked inside central Italy, had total overstay rates higher than two percent, according to a report by the Department of Homeland Security.

The overall overstay rate for VWP countries is 0.68 percent, lower than non-VWP countries excluding Canada and Mexico Cheap Baltimore Orioles Jerseys , which is at 2.07 percent, according to the DHS report.

Members of Congress have expressed concern about the security risks of overstays. A May 2017 report by the DHS inspector general found the department lacked a comprehensive system to gather information on departing visitors, forcing it to rely on third-party data to confirm departures, which is sometimes faulty.

The United States will also start assessing VWP countries on their safeguards against "insider threats" at their airports Cheap Chicago White Sox Jerseys , especially those with direct flights to the United States, officials said.

The goal is to ensure countries "make sure that airport employees, aviation workers et cetera, aren't corrupted or are co-opted to pose a threat to aircraft Cheap Cincinnati Reds Jerseys , especially those that are U.S.-bound," an official said.

Agencies

SAN FRANCISCO， Jan. 1 (Xinhua) -- Jennifer Dionne， associate professor of materials science and engineering at Stanford University， has teamed up with Miriam B. Goodman， a professor of molecular and cellular physiology， to feed nanoparticles to millimeter-long worms.

When struck by a near-infrared laser， the particular nanoparticles glow and change color depending on the pressure around them， giving off real-time information about the forces they're undergoing while they're still inside the barely visible worms， known as Caenorhabditis elegans， according to a Stanford University news release on Sunday.

The ultimate goal of the work by the interdisciplinary partnership is to detect force in human cells， because as in humans， digestion in worms involves mechanical gnashing and shoving that can provide insight into how these nanoparticles register cellular force.

"Altered cellular-level forces underlie many disorders， including heart disease and cancer，" said Dionne. "This would be a nanoscale readout that you could use in vitro or in vivo to detect disease at a very early stage."

So far， Dionne's lab has made the nanoparticles， and Goodman's worms have eaten the high-tech snack and the researchers have taken static images of the nanoparticles inside the worms.

"The color that each nanoparticle emits changes from red to orange when there is a mechanical force on the order of nanonewtons to micronewtons， a force range thought to be very relevant for intercellular forces，" said Alice Lay， a graduate student in the Dionne lab who is leading the experiments.

The tiny size of the nanoparticles means they have the potential to produce extremely high-resolution force maps， providing a window into the push and pull of and by cells on a deeply subcellular level. Someday， these biocompatible nanoparticles could be ingested or injected into a person in a specific area， such as at a wound site or suspected tumor. Through reading the colors emitted by th. Cheap Jerseys Online Cheap Jerseys China Free Shipping Cheap Jerseys Wholesale Cheap NFL Jerseys China Cheap NFL Jerseys Wholesale Cheap NFL Jerseys Wholesale Cheap NFL Sports Jerseys Wholesale Jerseys Wholesale Jerseys From China Wholesale NFL Jerseys