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by John Kwoba


NAIROBI Braydon Coburn Jersey , Mar. 26 (Xinhua) -- Debate on the future of cross country will still emerge in Guiyang, China when over 50 countries converge for the event on Saturday.


Year after year, African runners have proven their domination of cross country; they decide the outcome in all four races. The top ten finishers in each of the four races in the last three meetings have all been African-born runners.


Qatar, Bahrain, Turkey, have also had athletes performing well in the discipline.


However, most of these nations have imports from Africa and would pass as either Kenyan Yanni Gourde Jersey , Eritreans or Ethiopia. But the emergence of Uganda, U.S and China, especially in youth cadres will certainly raise the interest in the event.


Unlike in Bydgoszcz, Poland, one difference in Guiyang will be the weather conditions. While freezing temperatures and snow greeted the runners in Bydgoszcz, warm and moist conditions are forecast on Saturday.


Outside Africa, bronze medallist in senior men's race Chris Derrick of the United States will be the athlete to beat.


The 24-year-old is in better form than he was in 2013 when he finished 10th.


European cross-country champion Polat Kemboi Arikan from Turkey leads his continent's prospects along with renowned cross-country exponent Hassan Chahdi from France Ryan Callahan Jersey , who recently posted a 1:01:38 half marathon debut in Paris.


But the acknowledgment by IAAF President Lamine Diack that the domination of cross country running by Kenya and Ethiopia is killing the sport.


At their council meeting in Berlin, the International Association of Athletics Federations ruled that the World Cross Country Championships will now be held once every two years rather than annually.


The IAAF council members argued that this would allow the continents to organize continental championships on the alternate years.


This is after Kenya and Ethiopia dominated the discipline so much that European television interest in the sport has taken a nosedive.


""The World Cross Country championships have become not only an African affair but an East African affair, and these days you don' t even get athletes from West Africa competing,"" IAAF president Lamine Diack.


Yet, in Guiyang, there will be more than enough at stake to inspire even the lame to leap and clear the race.


No less than 280,000 U.S. dollars in prize money will be paid out by the IAAF to the leading runners in the two senior races at the IAAF World Cross Country Championships.


A first prize of 30 Brayden Point Jersey ,000 dollars will be awarded to each individual winner of the men's and women's senior races, with money available down to sixth place. In total, 140,000 dollars is on offer for individual prizes.


And after months of preparations, the Chinese lakeside city of Guiyang is ready to welcome more than 400 runners from 51 different countries.


The championships course is located in a mountainous area approximately 30km away from the city and is set in and around a horse racing circuit.


It is a facility which has since 2000 hosted Asian and national cross-country championships.


After Guiyang, the event will return to Africa for the third time in Kampala in 2017. Only Johannesburg (1999) and Mombasa ( 2007) have hosted the event before in the continent.

" "   Photo taken on Nov. 2, 2017 shows Chang Jin Ondrej Palat Jersey , chief scientist of Dark Matter Particle Explorer (DAMPE) and vice director of the Purple Mountain Observatory (PMO) of the Chinese Academy of Sciences (CAS), introducing the science achievement of DAMPE Satellite, "Wukong", at the PMO in Nanjing, capital of east China's Jiangsu Province.

BEIJING, Nov. 30 (Xinhua) -- China's Dark Matter Particle Explorer (DAMPE) has detected unexpected and mysterious signals in its measurement of high-energy cosmic rays, which might bring scientists a step closer to shedding light on invisible dark matter.


The satellite Alex Killorn Jersey , also called Wukong, or Monkey King, has measured more than 3.5 billion cosmic ray particles with the highest energy up to 100 tera-electron-volts (TeV for short, corresponding to 1 trillion times the energy of visible light), including 20 million electrons and positrons, with unprecedentedly high energy resolution.


""DAMPE has opened a new window for observing the high-energy universe, unveiling new physical phenomena beyond our current understanding Chris Kunitz Jersey ,"" said Chang Jin, chief scientist of DAMPE and vice director of the Purple Mountain Observatory of the Chinese Academy of Sciences (CAS).


The initial detection results were published in the latest issue of the academic journal, Nature.


""This is the first time a space experiment has reported a detailed and precise electron and positron spectrum up to about 5 TeV. In this energy range, we found some unexpected and interesting features. We have detected a spectral break at 0.9 TeV and a possible spike at 1.4 TeV,"" said Chang.


Precise measurement of cosmic rays, especially at the very high energy range, is important for scientists to look for traces of dark matter annihilation or decay Tyler Johnson Jersey , as well as to understand the most energetic astrophysical phenomena in the universe, such as pulsars, active galaxy nuclei and supernova explosions. ""Our data may inspire some new ideas in particle physics and astrophysics,"" said Chang.

  Photo taken on Nov. 27, 2017 shows Chang Jin, chief scientist of Dark Matter Particle Explorer (DAMPE) and vice director of the Purple Mountain Observatory of the Chinese Academy of Sciences (CAS), introducing the findings made by DAMPE Satellite Anton Stralman Jersey , "Wukong", at Chinese Academy of Sciences (CAS) in Beijing, capital of China.

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