中山女 偶尔 便血 鲜红(中山产后痔疮怎么治疗) (今日更新中)

MENLO PARK, Calif. – Facebook is offering to pay some of its users to deactivate their accounts in the weeks leading up to the 2020 election.It’s part of a new research partnership Facebook is launching to better understand the impact its website and Instagram have on key political attitudes and behaviors during U.S. elections.“We need to better understand whether social media makes us more polarized as a society, or if it largely reflects the divisions that already exist; if it helps people to become better informed about politics, or less; or if it affects people’s attitudes towards government and democracy, including whether and how they vote,” said Facebook when it announced the study Thursday.Facebook expects between 200,000 and 400,000 adults will choose to participate in the study. In a press release, the company said participating “could include taking part in surveys or agreeing to see a different product experience.”The company also said, “other participants may be asked to stop using Facebook or Instagram for a period of time. A subset of participants may be asked to install an app on their devices – with their permission – that will log other digital media that they consume.”The press release did not mention compensating participants, but screenshots tweeted out by Washington Post reporter Elizabeth Dwoskin show Instagram users being asked how much they’d need to be paid in exchange for deactivating their account in late September, for either one week or six weeks.Facebook spokesperson Liz Bourgeois responded to Dwoskin’s tweet, saying that anyone who chooses to opt in, whether it’s completing surveys or deactivating Facebook or Instagram for a period of time, will be compensated.“This is fairly standard for this type of academic research,” Bourgeois wrote.Anyone who chooses to opt in – whether it’s completing surveys or deactivating FB or IG for a period of time – will be compensated. This is fairly standard for this type of academic research. More here: https://t.co/uw4B8XhsYY— Liz Bourgeois (@Liz_Shepherd) September 3, 2020 While participants and Facebook employees will be compensated, the company says it will not be paying its external research partners, a team of independent academics, two of which serve as chairs of Social Science One committees. They’re said to be experts in the fields of elections, democracy and social media.Facebook says researchers will select and invite representative, scientific samples of people in the U.S. to participate in the study.“Some potential participants will see a notice in Facebook or Instagram inviting them to take part in the study,” wrote Facebook. “Study samples will be designed to ensure that participants mirror the diversity of the US adult population, as well as users of Facebook and Instagram.”Facebook said last week that the study will start soon and end in December, but it doesn’t expect to publish any findings until mid-2021 at the earliest and it doesn't expect the research to affect the outcome of the election. 3038

MEXICO CITY (AP) — There were two notable holdouts among the world leaders who rushed to congratulate Joe Biden on his victory in the U.S. elections: the leaders of Latin America’s two biggest countries, both of whom have been seen as friendly to President Donald Trump. President Jair Bolsonaro of Brazil is sometimes dubbed “the Trump of the Tropics” for his populist, off-the-cuff style, and he's kept silent on Trump’s loss. Mexican President Andrés Manuel López Obrador refused to congratulate Biden thus far, saying he would wait until legal challenges are resolved. While their motives may be quite different, both leaders faced criticism at home for their stance. 679

Michael, now a Category 1 hurricane slashing Cuba, is forecast to be a "dangerous major hurricane" when it smacks the US Gulf Coast on Wednesday, the National Hurricane Center said.The forecast indicates Michael may be a Category 3 hurricane -- with winds from 111 to 129 mph -- when it strikes."Life-threatening storm surge is possible along portions of the Florida Gulf Coast regardless of the storm's exact track or intensity," the center said. "Well-built framed homes may incur major damage or removal of roof decking and gable ends. Many trees will be snapped or uprooted, blocking numerous roads. Electricity and water will be unavailable for several days to weeks after the storm passes."Floridians scurried to prepare after Gov. Rick Scott declared a state of emergency for 26 counties and activated 1,250 National Guardsmen for hurricane duty."Heavy rainfall from Michael could produce life-threatening flash flooding from the Florida Panhandle and Big Bend region into portions of the Carolinas through Thursday," the hurricane center said.Michael has undergone a period of "rapid Intensification" -- defined as an increase of sustained winds of 35 mph in a 24-hour period. The storm went from 40 mph on Sunday to 75 mph on Monday and is expected to undergo rapid intensification again in the next 24 hours.The storm now has maximum sustained winds of 85 mph. A Category 1 hurricane has sustained winds of 74 to 95 mph.Monday night, Michael's center was about 60 miles north-northwest of the western tip of Cuba, with the storm moving northward at 12 miles per hour. Hurricane-force winds extended outward up to 30 miles from the center and tropical-storm-force winds extended outward up to 175 miles.Track the stormThe storm is aiming at a region that stretches from Mobile, Alabama, through the Florida Panhandle and into the Big Bend area of northern Florida.A hurricane warning from the National Weather Service was declared for the Alabama-Florida border to the Suwannee River in Florida. A warning means that hurricane conditions are expected somewhere within the designated area, and warnings are typically issued 36 hours before tropical-storm-force winds are expected, the weather service said.Storm and storm surge watches were issued for the Gulf Coast from the Mississippi-Alabama border to Chassahowitzka, Florida, north of Tampa Bay.As forecast, Michael would be the first Category 3 or higher hurricane to hit the Panhandle since Hurricane Dennis in 2005. Monday, it became the seventh hurricane of 2018 in the Atlantic Basin. On average, the Atlantic would have about five hurricanes by October 8. 2632

MANOA, Hawaii – As much as 40% of all beaches on Oahu, Hawaii’s most populated island, could be lost by 2050 due to rising sea levels and the current policies to address the threat.That’s according to a new study from the University of Hawaii’s School of Ocean and Earth Science Technology.Researchers looked at the risk of shoreline hardening, the construction of seawalls and revetments. They say the process accelerates erosion and interrupts natural beach migration.Scientists assessed the Oahu shoreline that would be most vulnerable to erosion and identified the location and severity of risk of shoreline hardening and beach loss, and a potential timeline for the increase in erosion hazards.They found the most threatened properties fall into an “administrative erosion hazard zone,” an area likely to experience erosion hazards and qualify for the emergency permitting process to harden the shoreline.“By assessing computer models of the beach migration caused by 9.8 inches of sea level rise, an amount with a high probability of occurring before mid-century, we found that emergency permit applications for shoreline hardening to protect beachfront property will substantially increase,” said Kammie Tavares, who led the study.Co-author Dr. Tiffany Anderson says they’ve determined that almost 30% of all present-day sandy shoreline on Oahu is already hardened and another 3.5% was found to be so threatened that those areas qualify for an emergency permit now.“Our modeling indicates that, as sea level rises about 10 inches by mid-century, an additional nearly 8% of sandy shoreline will be at risk of hardening—meaning at that point, nearly 40% of Oahu’s sandy beaches could be lost in favor of hardened shorelines,” said Anderson.Fletcher and her fellow researchers are calling on government agencies to develop creative and socially equitable programs to rescue beachfront owners and free the sandy ecosystem, so that it can migrate towards land as it must in an era of rising seas.“It is urgent that options are developed soon for beachfront landowners and resource managers to avoid further destructive management decisions,” said Fletcher.“This research shows that conversations on the future of our beaches and how we will care for them must happen now rather than later, if we are to protect our sandy beaches,” said Tavares. 2354

Many Thanksgiving traditions will likely change this year for many Americans, as health officials warn people against having large gatherings.Food and grocery experts preparing for the holiday are also noticing some new trends when it comes to that traditional Thanksgiving meal."We are definitely seeing turkeys selling in smaller portions, so people aren’t buying whole birds. We anticipate Americans are going to be buying smaller parts like wings, legs, cutlets. We definitely saw that going up in Canada, so we expect the same here," said Instacart trends expert Laurentia Romaniuk.Romaniuk says they first looked at buying trends for the Canadian Thanksgiving, which occurs in October. They found people aren't just buying smaller turkeys, but also choosing to make healthier sides."We're seeing customers go after a lot of healthier alternatives. This includes things like chickpea-based pasta, instead of regular pasta. So, a classic Thanksgiving dinner might include mac and cheese, and this year, we’re seeing Banza, which is a brand that makes chickpea-based pasta, go up by 333 percent, and actually, we’re ready starting to see that take off," said Romaniuk.And some people may not even want to cook their Thanksgiving meal at all, especially if they're having a smaller celebration than normal.Milton's Cuisine and Cocktails in Georgia is prepping more than 400 turkeys this year for their gourmet Thanksgiving dinner with all the fixings to go."We do an apple brined and smoked turkey; they are 12 to 14 pounds. We say it feeds six to eight people. It comes with sage-corn sweet bread which is our version of dressing and then a Madeira turkey gravy," explained Derek Dollar, Milton's executive chef and managing partner.This year, Dollar says, getting a Thanksgiving meal to-go is a good way to support a restaurant this year. He believes more restaurants will continue to close their doors for good because of the pandemic, and any support is appreciated."People are definitely jumping on board. Luckily, we were ahead of the curve and we’ve already done it," said Dollar.However you decide to eat your Thanksgiving meal this year, Dollar advises to not wait until the week of Thanksgiving to make your decision."We pre-ordered just to get it allocated, and big corporations aren’t ordering extra like they normally do. My people are telling me that there’s larger birds left, which is what you’re saying is not the trend, and I think if people wait too long like the week of Thanksgiving, they might not be able to get one at the grocery store or anywhere else, unfortunately," said Dollar. 2616

来源：资阳报