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The ability to regrow their tails has been a documented and life-saving skill of small reptiles like lizards and geckos. Now, researchers say they have details of larger reptiles, alligators, regrowing their tail.A team of scientists from Arizona State University and the Louisiana Department of Wildlife and Fisheries were surprised to discover the alligators have the ability to regrow their tails up to 9 inches. Their report was recently published in Scientific Reports.“Overall, this study of wild-caught, juvenile American alligator tails identifies a distinct pattern of wound repair in mammals while exhibiting features in common with regeneration in lepidosaurs and amphibia,” the researchers concluded.The wild-caught alligators most likely lost their tails by traumatic injury, the scientists stated. The team also had samples of regrown tails from alligators who had died."The regrown skeleton was surrounded by connective tissue and skin but lacked any skeletal muscle (which lizard tails do regenerate with)," Kenro Kusumi, co-senior study author and professor and director of ASU's School of Life Sciences and associate dean in the College of Liberal Arts and Sciences, told CNN.Even without muscles, a regrown tail is important for alligators’ survival.The team hopes their research will help scientists working on regenerative therapies in humans. Although humans are incapable of regrowing a limb, researchers said we have the same cells and pathways that alligators and other animals use for regeneration. 1532

Texas Democratic Senate candidate Beto O'Rourke said at a CNN town hall Thursday night that he would still vote to impeach President Donald Trump.The El Paso congressman challenging Sen. Ted Cruz said that his position on impeachment hadn't changed, even as Cruz has used the issue to galvanize conservative voters against O'Rourke's campaign.Asked by CNN's Dana Bash if he had changed his mind after saying he'd vote to impeach Trump this summer, O'Rourke said, "I haven't."He pointed to the ongoing probe into whether Trump's 2016 campaign colluded with Russia."There may be an open question as to whether the President, then the candidate, sought to collude with the Russian government in 2016," O'Rourke said. "But to quote George Will -- very conservative columnist -- when we saw him on that stage in Helsinki defending Vladimir Putin, the head of the country that attacked our democracy in 2016 instead of this country, and its citizens and this amazing democracy, that was collusion in action."He continued, "You may have wondered when he fired James Comey, the principle investigator into what happened in that election, whether that was an attempt to obstruct justice. But when, by broad daylight on Twitter, he asked his attorney general, Jeff Sessions, to end the Russia investigation, I would say that's obstruction in action."O'Rourke then said he likens impeachment to an indictment."There is enough there to proceed to a trial," he said.O'Rourke said he "would not prejudge the outcome of that trial.""All I am saying is, there's enough there," he said. "I know that this is not politically easy or convenient to talk about, but 242 years into this experiment ... nothing guarantees us a 243rd or a 244th."The answer will likely fuel further attacks from Cruz, who repeatedly cited O'Rourke's comments that he'd vote to impeach Trump in their most recent debate Tuesday night in Texas. Trump won Texas in 2016 and is headed to Houston to campaign for Cruz on Monday.At that debate, O'Rourke -- who is trailing in polls despite shattering fundraising records for a Senate campaign, with a million haul in 2018's third quarter -- mimicked Trump's 2016 presidential campaign attacks on Cruz as "Lyin' Ted."O'Rourke told CNN's Bash Thursday night he had some regrets about the comment."It's not something that I feel totally comfortable with, and perhaps in the heat of the moment I took a step too far," O'Rourke said.Asked if he regrets the comment, O'Rourke said: "I don't know that that's the way that I want to be talking in this campaign."CNN invited Cruz multiple times to appear tonight in his own town hall, but he declined. 2657

Texas health officials say new cases of the coronavirus that causes COVID-19 have hit a new peak. According to the Johns Hopkins website, the state recorded 1,010,364 cases early Wednesday with 19,337 deaths since the pandemic began in early March.Texas recorded 10,865 coronavirus cases on Tuesday, setting a new daily record that surpassed by 74 cases an old mark set July 15, state officials said.According to state figures on Tuesday, an estimated 132,146 cases are active, the most since Aug. 17, and 6,170 COVID-19 cases are hospitalized, the most since Aug. 18.The true number of infections is likely higher because many people haven’t been tested, and studies suggest people can be infected and not feel sick.There were 94 new deaths Tuesday, according to the Texas Department of State Health Services.Meanwhile, cases of the coronavirus that causes COVID-19 are surging in the Laredo area as the borderlands remained a COVID-19 hotbed Tuesday, health officials said.Laredo health officials reported 331 new cases Tuesday of the coronavirus, the most since the Aug. 10 peak of 374 cases. That brought the area’s case count for the pandemic since the beginning of March to 16,558. Of those, 934 cases are active, the most in two months, and 73 require hospitalization. One new death was reported Tuesday, bringing the city’s COVID-19 death toll to 367.The surge comes as El Paso, another border city, grapples with a recent tsunami of cases. Another 1,292 cases were reported in El Paso County on Tuesday, bringing its pandemic count to 65,651 with 27,895 cases now active and 1,076 requiring hospitalization. Nine new deaths brought the county’s COVID-19 death toll to 682.The higher counts come amid intensive testing in both places and statewide.For most people, the coronavirus causes mild or moderate symptoms, such as fever and a cough that clear up in two to three weeks. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia and death. 2034

Stores across the country are starting to advertise and display back-to-school sales. From electronics to clothes, the National Retail Federation is tracking buying trends as the new school year approaches."Parents may not know how their children are attending classes, whether it’s in-person or online, a mix, and that is certainly reflected in how people are shopping right now. So, when we did our study in early July most consumers did not know what they needed to buy yet," said Katherine Cullen, the Senior Director for Industry and Consumer Insights at the National Retail Federation. She says there's a lot of uncertainty surrounding the upcoming school year and most consumers are hesitant to buy back to school supplies right now, but many already have plans to spend more."For grade school and high school shoppers it is over 0 on average which is about 0 more than last year. So, some of that is definitely being driven by this current environment and it's shaping how people are planning to buy right now," said Cullen. Cullen says consumers will likely spend more than last year on school supplies and just as much on new clothes. She said there are some things kids need no matter where they learn. "Kids keep growing even if they're not going to school in person, they will likely still need some new items."But the big ticket items families will be spending money on is electronics. "We are certainly seeing that many families, over half, are expecting there will be at least some online learning component and as a result they're planning to make some extra purchases around that: laptops, computers, head phones and speakers are a big component of that," said Cullen.The National Retail Federation says grade school and high school shoppers plan to spend more on average on electronics. Amy Cunningham, a parent in South Carolina, says her family decided to purchase two laptops to help their children with online remote learning this fall. This past spring, the children shared their parents' computers. "Having to juggle the kids’ distance learning with what we were doing was hard so we knew if we were going to do it this year, which was our plan, that we were going to need to get additional laptops," said Cunningham. Cunningham says she likely won't need many other school supplies and doesn't anticipate needing to buy new clothes for the school year."I’d probably get notebooks and stuff like that just because we don’t have a lot of that sitting around. Clothes, no. They live in their play clothes at home now so there’s no point really," says Cunningham.As for how parents will be back-to-school shopping this year, for many, gone are the days of traditional in-store browsing. The National Retail Federation says 40% of families will only be back-to-school shopping online. 2827

Texas Governor Greg Abbott issued an executive order on Friday limiting certain businesses and services as part of the state’s effort to contain the spread of COVID-19.This decision comes as the number of people testing positive for COVID-19 and the number of hospitalizations have increased and the positivity rate in Texas increased above 10%, which the Governor previously stated would lead to further preventative action.“As I said from the start if the positivity rate rose above 10%, the State of Texas would take further action to mitigate the spread of COVID-19,” Governor Abbott said. “At this time, it is clear that the rise in cases is largely driven by certain types of activities, including Texans congregating in bars. The actions in this executive order are essential to our mission to swiftly contain this virus and protect public health. We want this to be as limited in duration as possible. However, we can only slow the spread if everyone in Texas does their part. Every Texan has a responsibility to themselves and their loved ones to wear a mask, wash their hands, stay six feet apart from others in public, and stay home if they can. I know that our collective action can lead to a reduction in the spread of COVID-19 because we have done it before, and we will do it again.”The targeted, measured directives in the executive order are based on links between certain types of businesses and services and the recent rise in positive cases throughout the state.The order includes the following:All bars and similar establishments that receive more than 51% of their gross receipts from the sale of alcoholic beverages are required to close at noon on Friday.These businesses may remain open for delivery and take-out, including for alcoholic beverages, as authorized by the Texas Alcoholic Beverage Commission.Restaurants may remain open for dine-in service, but at capacity not to exceed 50% of total listed indoor occupancy, beginning Monday.Rafting and tubing businesses must close.Outdoor gatherings of 100 or more people must be approved by local governments, with certain exceptions.KXXV first reported this story. 2149