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Summer might technically be over in Doha, Qatar, but if you were to visit the small, desert nation in the middle of the Persian Gulf this weekend, you would still think it is summer. Temperatures are expected to approach 100 degrees, which is relatively mild compared to the actual summertime temperatures in Qatar. In the summer, temperatures frequently top 110 degrees. Because of the year round extreme heat, and FIFA's mandate that stadiums that host the World Cup be open air, Qatar has been renovating and building stadiums that are both open air and air conditioned. A stream of cold air is funneled at ankle level under the seats. The cold air then travels down the stadium and onto the field. There are also vents at the top of the stadium. The technology relies on the physics of cool air moving downward. According to the Qatar government, the temperature in Khalifa International Stadium can drop to around 70 degrees, when it is nearly 100 degrees outside. Khalifa International Stadium opened in 2017, and was the first of eight stadiums expected to host World Cup games in 2022. A second stadium opened in May. Six more are expected to open by 2022. Next month, Khalifa International Stadium will host the Arabian Gulf Cup, which is a contest between the national teams for five countries. In December, the stadium will then host the FIFA World Cup. "Qatar's hosting of the Arabian Gulf Cup is another opportunity to test the country's event hosting expertise as we continue preparations for the FIFA Club World Cup in December and the FIFA World Cup in 2022," said Saud Al Mohannadi, vice president of the Qatar Football Association and chairman of the Arabian Gulf Cup local organizing committee.Qatar's bid to host the World Cup has not come without controversy. Following Qatar's winning bid, a multi-national investigation looked into how Qatar won the bid to host the 2022 World Cup, among other scandals tied to soccer sanctioning body FIFA. Dozens of FIFA officials were arrested in 2015, and several of whom have since been convicted for corruption. FIFA officials have been blasted by some for ignoring human rights concerns about Qatar, including its lack of a free press, lack of protection of guest workers, and its stance on homosexuality. 2282

Sleep traits could be a risk factor for breast cancer, new research suggests. Women who said they preferred to get out of bed early were found to have a lower risk of breast cancer than those who stay up late.However, experts cautioned that other breast cancer risk factors such as alcohol consumption and being overweight have a greater impact than sleep and said there was no reason to change your sleep patterns.One out of 100 women who considered themselves morning people developed breast cancer, compared with two in 100 women who described themselves as evening people, according to the study, which was published Wednesday in the BMJ.The study also found that sleeping more than the average seven to eight hours per night was found to have a slightly increased risk of breast cancer. It also found there was little link with insomnia.Researchers used information from more than 400,000 women in two large data banks -- around 180,000 women from UK Biobank study and more than 220,000 women from the Breast Cancer Association Consortium study. Participants' preference for waking early or late was included in the data."It is important to note that these data do not suggest in any way that modifying sleep habits could eventually lead to a decrease in the risk of breast cancer," Luca Magnani, senior research fellow in the department of Surgery & Cancer at Imperial College London told the Science Media Centre."What they suggest is that it appears that the risk of breast cancer is associated with a genetic (thus not modifiable) trait that is in itself associated with a "morning" or "night" preference -- what we call 'larks' and 'owls'."According to 2016 figures from the 1700

Residents were urged to shelter in place for several hours after an explosion and fire broke out Wednesday at a massive ExxonMobil plant in Texas, injuring 66 people, officials said.The injuries were non-life threatening, plant manager Jason Duncan told reporters. Most involved minor, first-degree-type burns, with the victims treated at a local clinic, he said. Most were ExxonMobil employees or contractors.City officials said via Twitter Wednesday afternoon that the shelter-in-place advisory had been lifted after monitoring failed to detect "any levels of concern" in the air. The fire had been contained by the evening."We realize the people who live here in Baytown and our surrounding communities are worried," Baytown spokeswoman Natasha Barrett told reporters. "We understand that and we've been working hour after hour to check on things, to monitor air quality."The fire occurred at the company's Baytown Olefins Plant, ExxonMobil spokeswoman Sarah Nordin said. The company website describes the complex as one of the largest refining and petrochemical complexes in the world. It's located about 25 miles east of Houston.Barrett said the fire began about 11:07 a.m. local time and the precautionary shelter-in-place was issued about 10 minutes later.The blaze is in a unit that contains polypropylene material and Exxon asked that the shelter-in-place order be issued west of the plant and south of the Texas Spur 330 freeway "out of an abundance of caution," the city of Baytown said via Twitter.Duncan said the fire broke out at a polypropylene recovery unit, where the plastic is purified for production. He said crews were working to shut down the units to isolate the fire source.Duncan said the company is conducting air quality monitoring at the site and fence line, and cooperating with regulatory agencies. He said no adverse environmental effects had been detected.Barrett said city and county officials were also monitoring the air.The cause of the explosion is unknown, he said. 2015

Presidential candidate Beto O'Rourke reiterated his support for a mandatory gun-buyback program of assault-style rifles on Thursday and said, "Hell, yes, we're going to take your AR-15, your AK-47.""We're not going to allow it to be used against our fellow Americans anymore," the former Texas congressman said during the third Democratic presidential debate, hosted by ABC News."If the high-impact, high-velocity round, when it hits your body, shreds everything inside of your body because it was designed to do that so that you would bleed to death on a battlefield ... when we see that being used against children," O'Rourke said. He recalled talking to a woman in Odessa, Texas, who had watched her 15-year-old daughter bleed to death after she was shot by a man wielding an AR-15 late last month.O'Rourke's comments come in the wake of a string of mass shootings in the United States, including in his hometown of El Paso, where 22 people were gunned down at a Walmart in August. O'Rourke unveiled a proposal weeks after that shooting calling for a national gun registry, a nationwide gun licensing system and the mandatory buyback of assault-style rifles as part of his plan to curb gun violence and the rise of white nationalism.He received praise from his fellow Democratic contenders on Thursday night for his actions following the shooting in El Paso."The way he handled what happened in his hometown -- to look in the eyes," former Vice President Joe Biden said.Fellow Texan Julián Castro praised O'Rourke for "how well he has spoken to the passion and the frustration and the sadness" after the shooting."And Beto, God love you for standing in the middle of that tragedy," said Sen. Kamala Harris of California.Sen. Amy Klobuchar of Minnesota said, "I so appreciate what the congressman's been doing."Sen. Cory Booker of New Jersey needled O'Rourke later, saying he was sorry it had taken the El Paso shooting for O'Rourke to embrace the position Booker already held, backing a mandatory buyback and national registration.O'Rourke's support for gun licensing is a reversal from May, when he was asked about a similar proposal from Booker and said it "may be too far." 2191

Special counsel Robert Mueller made a last-minute request to have his deputy sworn in for Wednesday's House Judiciary Committee hearing in case he needed to answer any questions the special counsel could not fully answer himself, according to a source familiar with the matter.Republicans on the House Judiciary committee immediately raised concerns that Democrats may allow Mueller's deputy Aaron Zebley to testify alongside the special counsel at the hearing, one of two public hearings Mueller is testifying at Wednesday.Democrats so far have not agreed to this request. A spokesman for House Judiciary Chairman Jerry Nadler said the only witness for the hearing, at the moment, is Mueller.Democrats have pushed to hear from 740

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