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The rigors and challenges of spaceflight are remarkably similar to the physical stress cancer patients experiment during chemotherapy and other treatments, according to researchers.For that reason, the researchers suggest that the countermeasures program used by astronauts before, during and after spaceflight to maintain their health could be developed and applied for cancer patients to help them recover after treatment.The details were published in a commentary written by researchers from Memorial Sloan Kettering Cancer Center and NASA on Thursday in the journal 582

Thursday marks the third occasion Democratic presidential hopefuls take the stage for a debate, but this instance will be unlike the past two events. Unlike the first two debates, the lineup of debating candidates has been cut in half from 20 to 10. That means that the top 10 candidates based on polling will be on a single stage for one night. Thursday's debate will air live at 8 p.m. ET on ABC and Univision. Viewers can also watch Thursday's debate at ABC.com. Thursday's debate will be held in Houston. The debate is slated to last three hours. The candidatesFormer Vice President Joe BidenNew Jersey Sen. Cory BookerSouth Bend, Indiana Mayor Pete ButtigiegFormer Housing and Urban Development Secretary Julián CastroCalifornia Sen. Kamala HarrisMinnesota Sen. Amy KlobucharFormer Texas Rep. Beto O'RourkeVermont Sen. Bernie SandersMassachusetts Sen. Elizabeth WarrenEntrepreneur Andrew YangThe candidates on stage qualified by having 130,000 unique donors by Aug. 28, and earning 2 percent in four polls that sample voters nationally or in the states of New Hampshire, Iowa, Nevada, or South Carolina. A large field of candidates did not qualify for Thursday's debate. Candidates who appeared in previous debates such as Rep. Tim Ryan, Mayor Bill DeBlasio, Gov. Steve Bullock, author Marianne Williamson, Sen. Michael Bennet, Rep. John Delaney and Rep. Tulsi Gabbard failed to qualify. The aforementioned candidates have until Oct. 1 to qualify for the next debate in October. Activist Tom Steyer, who has not yet appeared in a debate, has recently qualified for the October debate, meaning the next debate could revert back to a two-night format. ModeratorsABC News' David Muir and Linsey Davis will join Univision anchor Jorge Ramos as moderators. Ramos and Muir, at separate events, moderated Democratic Party debates leading up to the 2016 election. Muir also moderated a Republican Party debate in 2016. FormatThe debate will mark the longest one so far in this debate season going a full three hours. Each candidate will be given one minute and 15 seconds for direct responses to questions, and 45 seconds for responses and rebuttals. Candidates will have the opportunity to deliver opening statements, but there will be no closing statements, ABC said. The top 10 on one stageThursday is arguably the night many voters have waited for with the entire top 10 slate of candidates on one stage. For instance, this is the first time that Elizabeth Warren and Joe Biden will share a stage. Will Warren take a shot at Biden now that she has the opportunity? We'll find out on Thursday. AirtimeIn the first two debates, in general, the candidates with higher polling figures got more airtime. Through the first two debates, Biden has led total airtime with almost 39 minutes of talk time. The candidate who appeared in both debates who had the least amount of talk time was Yang with just 11.7 minutes of airtime. Despite little air time in the previous debates, Yang has seen his polling numbers slowly rise. An ABC News/Washington Post poll released Sunday showed Yang has moved into sixth place, passing others such as Booker and O'Rourke.PollingAn ABC/Washington Post poll released Sunday shows Biden leading with 29 percent, followed by Sanders at 19 percent, Warren at 18 percent, Harris at 7 percent, Buttigieg at 4 percent and Yang at 3 percent.According to Real Clear Politics, there haven't been any major shifts in support since early July. Following the first debate, Harris saw a sizable bump in her polling, briefly jumping into the No. 2 slot. She has since fallen to fourth, well behind Biden, Sanders and Warren. Warren and Sanders remain locked into a battle for second. Gun control could be a major issueAlthough gun control has been discussed at the two previous debates, there have been several mass shootings since the Detroit debate in July. Two of those mass shootings took place in Texas -- the same state hosting Thursday's debate. Like how health care was a central issue at the last debate, it would make sense that gun control will be a key discussion point on Thursday.Foreign policyOne issue that has also gained more attention since the last debate is the United States' discussion on leaving Afghanistan. President Donald Trump reportedly called off peace negotiations with Taliban rebels in Afghanistan amid a rise in violence in the country the U.S. has occupied since 2001. Yes, this has been an issue for now the fifth election cycle, but still an important one.Biden's plan versus Warren's planWe have yet to hear Biden and Warren debate their respective healthcare plans. This will certainly be an interesting juxtaposition of policies if debated. On one hand, Biden has advocated for fortifying Obamacare, which was built around the private insurance model. Whereas Warren has suggested in previous debates to abolish private insurance to go with a strictly government-run system. 4940

Three Nevada men with ties to a loose movement of right-wing extremists advocating the overthrow of the U.S. government have been arrested on terror charges in what authorities say was a conspiracy to spark violence during recent protests in Las Vegas. Prosecutors said Wednesday the white men with U.S. military experience face conspiracy charges stemming from a plan that began in conjunction with protests to reopen businesses closed because of COVID-19. They say the men later sought to capitalize on protests over the death of a Minneapolis man in police custody. FBI agents arrested them Saturday en route to a Las Vegas protest with gas cans and Molotov cocktails. 683

TUCSON, Ariz. — An Arizona man is facing federal murder charges after investigators say he poured hot water down a 6-year-old's throat, 148

The Trump administration attempted to soften the blow and political pain of the longest-ever government shutdown earlier this year by continuing to issue food stamps, a move that violated federal law, the Government Accountability Office concluded Thursday.The GAO, a watchdog and non-political arm of Congress, 324

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