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The third and final supermoon of 2019 is set to be seen on Wednesday, just ahead of the official start of spring in the U.S.The next supermoon won't rise again until Feb. 9, 2020, 192

TripAdvisor has defended itself against accusations of misleading travelers by failing to stop some of its highest ranked hotels winning their status with fake reviews.UK consumer group Which? Travel analyzed a total of almost 250,000 reviews for the 10 top-ranked hotels in 10 global tourist destinations, from Las Vegas to Cape Town. It found that one in seven of the hotels had "blatant hallmarks" of fake reviews, with others raising "serious concerns."But TripAdvisor called the analysis "flawed" and said its more sophisticated detection tools were able to weed out fraudulent feedback.Which? Travel said that when it reported 15 of the worst cases to TripAdvisor, the reviews giant -- now one of the world's biggest travel websites -- admitted that all but one of the hotels in question had been caught using fake reviews in the past year.Six had previously been penalized, and two had received a "red badge warning" -- where TripAdvisor warns users that the hotel is suspected of using fake reviews, and has "repeatedly failed to remedy its behavior and refuses to cooperate with TripAdvisor's investigators."Yet, Which? Travel said it found that the review patterns had continued unabated despite the measures, and the red badges had been removed.The group has accused TripAdvisor of a "lack of serious ongoing action to address repeated abuse of the system."It says that five-star reviews left by new users who have written no other reviews should be a red flag. Its analysis compared the proportion of first-time five-star reviews with that of first-time three-star reviews, which are less likely to be faked.In total, it studied 247,277 reviews."TripAdvisor's failure to stop fake reviews and take strong action against hotels that abuse the system risks misleading millions of travelers and potentially ruining their holidays," said Which? Travel's Naomi Leach.TripAdvisor has removed hundreds of reviews in light of the investigation, Which? Travel claimed."Striking" evidence of fake reviewsHotels in the Middle East had "striking" amounts of fake positive reviews, according to the research. TripAdvisor docked 730 five-star reviews of the "best" hotel in Jordan following the analysis -- but the hotel has not been given a red badge. It remains in the top 10 in the country.At the top-ranking hotel in Cairo, 79% of five-star reviews came from one-time contributors. Just 14% of three-star reviews came from similar accounts.The hotel has lost its status as a result of the reviews' deletion.Las Vegas was another hotspot for fake reviews. At two of the top-rated hotels, almost half the five-star reviews came from one-time contributors. For a competitor which did not arouse suspicion, the figure was just 3%.Some of the top-ranked hotels in London, Paris, Barcelona and Cape Town "gave reason for suspicion," the research showed, but failed to demonstrate the same patterns across the board.Repeat offendersTripAdvisor called the analysis "based on a flawed understanding of fake review patterns," adding that "it is simply far too simplistic to assume all first-time reviewers are suspicious."It said that Which? Travel did not have access to IP [internet protocol] information or location data, both of which TripAdvisor uses to detect fake reviews."We analyze hundreds of data points about each review -- most of which only we have access to -- and we combine that data with a wealth of knowledge and understanding of review patterns that our team of experts has gained from tracking hundreds of millions of reviews over a near 20-year period," said the company."This includes an ability to track and analyze first-time reviews in far more detail and with far more rigor than Which's team was able to do."Online reviews influence an annual estimated ￡23 billion ( billion) of booking transactions in the UK alone, according to the UK government."Sites like TripAdvisor must do more to ensure the information on their platforms is reliable," said Naomi Leach."If they continue to fall short, they should be compelled to make changes so holidaymakers are no longer at risk of being duped by a flood of fake reviews." 4152

The University of Missouri-Kansas City has filed a lawsuit against a former professor, alleging that he stole and sold his graduate student's research for .5 million.The suit, filed this week, says Ashim Mitra swiped a "groundbreaking" drug formulation from the student and stands to gain as much as million more in royalties.Mitra, who has resigned from the university, denied the allegations to CNN.Also named in the lawsuit are Mitra's wife, who worked in her husband's lab, and two pharmaceutical companies that used the invention.The university alleges Mitra worked in secret with the companies to develop the patent, which outlines an innovative way of delivering drugs to the eye using nanotechnologyThe pharmaceutical product has recently received FDA approval, the university said. It's a treatment for dry eye, an ailment common to the elderly.The university's contentionIn a statement to CNN, the university said:"Mitra stole UMKC-owned inventions, sold them to industry, assisted those companies in patenting and commercializing them, denied credit to a deserving student and reaped a personal financial windfall -- all the while concealing his efforts and denying his involvement."The lawsuit seeks to designate the student, Kishore Cholkar, as the rightful inventor to the patent based on his research from 2010.The university policy is that it owns the rights to discoveries made by staff and students while they are working at the university. When commercial rewards are reaped, the inventor is entitled to one-third of the profits and the school keeps the remaining two-thirds, the school said.The professor's reactionReached by phone Thursday, the professor denied the allegations and told CNN that Cholkar doesn't deserve credit for the patent."Everyone is trying to jump in and get a piece of the pie," he said.He said he conceived of the formulation with the drug companies through his private consultancy business, adding that "the student arrived after the patent was signed."Cholkar's work involved a part of the eye not affected by the drug, Mitra said.He added that he's consulting with his lawyers on how best to tackle the lawsuit.Cholkar, the student, now works at a California-based pharmaceutical company. CNN has reached out to Cholkar for comment. 2298

The RMS Titanic was visited by divers for the first time in 14 years, and the ship that was once a picture of luxury was found in the process of being swallowed up by the ocean floor and ravaged by metal-eating bacteria.A series of five dives were completed this month by an exploration team from Triton Submarines to the spot 370 miles south of Newfoundland, Canada, and 4,000 meters below the surface where the ship deemed "unsinkable" now rests, according to a release from 489

The Transportation Safety Agency is losing employees due to the government shutdown.At first, TSA officers were just calling in sick, and this was happening because none are getting paid during the shutdown, which is in Day 18. Now, some are resigning, according to the head of the TSA Council on the American Federation of Government Employees. 357

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