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The National Park Service on Thursday unveiled a new plan to hike entrance fees at national parks with more modest increases than the ones it proposed last fall.The proposal calls for raising fees at many national parks?by around in the next year, with some seeing an additional increase in 2020. The new plan will apply to the 117 national parks that charge fees, not to the two-thirds of national parks that do not have entrance fees, the agency says.The entrance fee for the Grand Canyon, the nation's most popular park that charges an entrance fee, will climb by to per vehicle starting June 1. An annual pass for the Grand Canyon will climb by to , according to the park service numbers.The original proposal, unveiled in October, called for more than doubling peak-season admission at 17 popular parks to . The response to that plan was highly negative, the Interior Department told The Washington Post earlier this month.Increasing entrance fees will help the park service address a nearly billion backlog of maintenance projects, Interior Secretary Ryan Zinke has said.Zinke said the new plan is more "balanced" and will raise about million in additional revenue per year.The National Parks Conservation Association, a nonprofit group that opposed the original proposal, said Thursday that the "more measured fee increases will put additional funds into enhancing park experiences without threatening visitation or local economies."Sen. Tom Udall of New Mexico, the top Democrat on a committee that oversees federal funding for the National Park Service, said he was not convinced the increase was justified and that he would be asking the department for "a much more detailed explanation" of its rationale. 1770

The Kirchner family has a lot to celebrate this holiday season. Their son, Karson, is a happy and energetic 11-month-old baby. He's come a long way since being diagnosed with a rare heart condition that will require constant vigilance. But his progress is yet another example of how, this year, doctors are making amazing strides in so many ways.Josh and Ashley Kirchner weren't sure how much time they would have with their son. At 28 weeks pregnant, they found out he had hypoplastic left heart syndrome, meaning the left side of his heart was underdeveloped."They came back with a doctor and then we're kind of like, 'This isn't good'. And the doctor told us, 'Well, we can't find part of his heart on the ultrasound'," recalled Josh Kirchner.Some research led the Kirchners to Children's Hospital Colorado, where Karson was enrolled in a study to determine if stem cells from his own umbilical cord blood could help his heart function."There's another part of stem cells that don't create new tissue but create an environment to improve the existing tissue that's there, and that's what we're doing with this particular stem cell therapy," explained Dr. James Jaggers, with Children's Hospital Colorado.Dr. Jaggers says this syndrome is the leading cause of death for children with heart defects in their first year of life. Karson's first surgery was when he was just two days old. His second to inject stem cells into his heart came a couple of months later."The mode of stem cell delivery was actual physical injection of the stem cells into the heart muscle itself. We do that in a number of different places on the heart to try and improve sort of a global function of the heart for the long term," said Dr. Jaggers.One problem the doctors faced with the second surgery was it came during the start of the pandemic when travel was shut down. The Kirchners drove six hours from their home in South Dakota, but the stem cells had to be driven from the Mayo Clinic in Minnesota to Denver, a more than 12-hour drive.Karson still needs one more surgery, which doctors say will be when he's 2 or 3 years old. His parents know there's no roadmap for this. And while they wait to see how his body responds, they want to enjoy every moment."We get to enjoy our little boy and kind of live in the moment a little better and not have to worry about that hanging over our head. We know it's coming. But, like they said to do, don't worry about it. When it comes, it comes," said Josh Kirchner.Dr. Jaggers says the second phase of the study is done. Karson was the 16th to be accepted into it. The next phase will also include the use of stem cells in the third surgery. Dr. Jaggers says preliminary data shows some improved heart function. They now need to know how long it will last. 2789

The importance of darkness is not something many think about, but it's becoming abundantly clear just how much our bodies need it. Dr. Courtney Hunt with Desert Jewel Wellness in Scottsdale says when looking at a blue light after dark, it turns off the body's ability to make melatonin, which is the hormone responsible for deep sleep.Blue light can come from a variety of sources like phones, tablets, computers, televisions or household LED lights. Medical studies have shown that blue light disrupts the circadian rhythm (the body's internal clock) and that could lead to health issues. A report published in 2016 by the American Medical Association showed, "a long-term increase in the risk for cancer, diabetes, cardiovascular disease and obesity from chronic sleep disruption or shiftwork and associated with exposure to brighter light sources in the evening or night."So what can we do to protect ourselves?Dr. Hunt recommends getting blue-blocking glasses and wearing them in front of a screen, especially when working on a computer or tablet at night. Smartphone users can also downlaod apps like f.lux on your devices that change the color temperature of the screen. 1219

The presidential race remains too close to call, and vote totals show President Donald Trump's lead slowly evaporating in some key battleground states. In recent days, Trump has attempted to use his favorite social media platform to spread disinformation about the election process — but Twitter has fought back.Between early Tuesday morning — after polls had closed in most of the U.S. — and noon ET on Friday, Trump has sent a tweet or retweet 37 times. Twitter has applied disclaimers to 13 of those tweets.Of those disclaimers, 12 indicate that "some or all of the content" about the election in the President's tweet is "disputed" and possibly "misleading." Twitter also added a disclaimer noting that races in Pennsylvania, Georgia and North Carolina remain too close to call to Trump's Wednesday morning tweet in which he "claimed" all three states "for Electoral Vote purposes." As of Friday, those states are still too close to call.Trump railed against Twitter's fact checks in a Friday morning tweet, saying the social media platform is "out of control."In many cases, Twitter has added disclaimers to Trump's tweets in the moments after the President sends them. The social media service began fact-checking Trump earlier this year, but prior to this week, it would often take several hours to apply disclaimers.Trump has attempted to sow doubt in the electoral process for months. On the campaign trail, he often argued without basis that mail-in ballots would be fraudulent.The President's attempt to discredit mail-in ballot appears to have had a partisan effect on mail-in voting. An enormous percentage of mail-in ballots across the country have gone to Democratic presidential nominee Joe Biden, while Trump has carried a vast majority of in-person votes. 1781

The most destructive wildfire in California history is nowhere near done with its catastrophic rampage.Northern California's Camp Fire has already torched more than 6,400 homes and killed 29 people. If the death toll gets any worse, it will be the deadliest wildfire in California history."I'll have nightmares for the rest of my life," said Paradise resident Susan Miller, who drove through flame-lined streets to escape with her daughter.PHOTOS: 3 wildfires rage in CaliforniaBut the Camp Fire isn't the only inferno ravaging California. Fierce winds are expected to fuel two major wildfires west of Los Angeles, including one that has already killed two people in Malibu."In fact, the strongest Santa Ana winds for the south may come on Tuesday, with gusts to near hurricane force," CNN meteorologist Dave Hennen said. 829