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TRIPOLI Bears Jerseys For Sale , Jan. 22 (Xinhua) -- The security chief of Libya's western city of Sirte was assassinated by unidentified gunmen on Thursday, according to local officials.

Colonel Sanusi Kaabh, along with his driver, was shot by a gang of militants in Sirte's downtown area, a security official who declined to disclose his name said.

The security official added that the vice president of Sirte's local council narrowly survived in a similar assassination attempt just two days ago.

Also on Thursday Cheap Chicago Bears Jerseys , an official from Libya's Health Ministry was abducted in the capital city of Tripoli.

Security sources confirmed the official was Akram Abu Ras, but the motivation behind the incident was not immediately known.

Tripoli and Sirte are now both under control by the Islamist armed alliance Libya Dawn, who has been warring against the Libyan army since July.

The security conditions in the North Africa country has been plagued by assassinations, kidnappings and armed robberies since the removal of the former leader Muammar Gaddafi in 2011.

WASHINGTON, Sept. 19 (Xinhua) -- Deleting a common gene in a breed of butterflies can broadly change their wing patterns Cheap Bears Jerseys , according to a study published recently in the U.S. scientific magazine Proceedings of the National Academy of Sciences.

Arnaud Martin, an evolutionary geneticist at George Washington University and one of the authors of the study, said they used butterfly wing patterns as a proxy to understand fundamental rules about the function of genes.

Butterfly wings vary in color and shape and have different functions. Some butterflies have brightly colored wings to warn predators that they are poisonous. Some have dull camouflage wings, enabling them to pass off as leaves or barks.

The scientists chose butterfly wings for genetic tests for two reasons. First, butterflies and moths have nearly 200 Cheap Kyle Long Jersey ,000 species, providing an adequate research source. Second, genetic changes can be discerned in wing patterns.

Martin and his colleagues used CRISPR, a bacterial system that has been likened to cellular cut-and-paste, to delete a gene called WntA in a broad breed of butterflies Cheap Pat O'Donnell Jersey , The Washington Post reported Tuesday.

The small modification led to big changes. For example, in Heliconius butterflies, a species with dramatic colors, a large red spill appeared on the wings of the mutant ones.

Other noted changes included color splotches and different tints along the edge of the wings.

"It's extraordinary that it works so broadly," said Owen McMillan Cheap Adrian Amos Jersey , a staff scientist at the Smithsonian Tropical Research Institute and a co-author of the study.

The researchers knew WntA is important for wing patterns. However, they were surprised that its removal could lead to changes in so many different forms.

The study highlights the flexibility of the evolution regulation. Carolina Concha, a biogenomics researcher at the Smithsonian and another author of the study, called it "extraordinary".

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Every sport has its rules of etiquette. In golf Cheap Kyle Fuller Jersey , for example, one does not talk or move while a player is shooting. In basketball, the crowd is silent when a free throw is made. Even in such a rugged sport as boxing, a man who has scored a knockdown retires to the farthest neutral corner to allow his opponent a chance to get up after a count. So it is in bowling. What it really boils down to is courtesy, once you have an inkling of the rules. Here are some points to remember:

1. Observe the foul line at all times.

This goes for practice as well as for tournament or league play. You owe it to your teammates and to those around you to refrain from any such action as fouling Cheap Charles Leno Jr Jersey , which would penalize your score and consequently that of your team. Fouling frequently brings on loud and unpleasant grumbling, in itself another breach of etiquette.

2. Never two-ball a pinboy.

By this, I mean don't fire another ball down the lane before the first one has been returned to you. You might injure the pinboy, and you are sure to make yourself mighty unpopular with those around you, even if you don't hurt him. Remember Cheap Bryce Callahan Jersey , if the pinboy should be injured, you might find yourself liable for damages.

3. Don't mar bowling alley approaches.

If you have any slippery or gummy substance on your bowling shoes (one should never bowl in street shoes), get rid of it before you step onto the approaches. If your shoes leave skid marks, remove the marks with steel wool. Avoid excessive use of chalk. Do not mar the alley approach or the alley bed with pencil, crayon Cheap Bobby Massie Jersey , chalk or any such substance.

4. Remain on the bench until it is your turn to bowl.

If you get up before your time you will interfere directly or indirectly with those who are already on the approaches. Give others the same common courtesy you would want for yourself.

5. There is no rule against body english.

Lots of bowlers, even the experts, are prone to use it at times. But when you use it, remember that you have the right to use only the space enclosed by the width of your own lane. You are not expected to teeter or lean so far that your body encroaches onto the next alley and bothers the adjoining bowler. Try to cut down on your "body english" in practice and you will use less of it in league and tournament play.

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