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肛肠医院哪个好中山
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钱江晚报

发布时间: 2025-05-30 18:07:09北京青年报社官方账号
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  肛肠医院哪个好中山   

Dinosaurs are no longer roaming the earth, but their tracks live on. In the foothills on the Front Range of Colorado, a story can be told from pieces of the past left behind.Dinosaur Ridge has been ranked by a panel of esteemed paleontologists as the no. 1 track site in all the U.S. One of those world-renowned paleontologists is Martin Lockley, who has spent his life studying dinosaur tracks.“You're looking at a snapshot of an ancient environment," Lockley says.In an area of just a few hundred square feet, 330 dinosaur tracks have been discovered. However, the land was very different 100 million years ago. Lockley says the giant prehistoric animals weren't a mile high in the Rocky Mountains.They were on the beach at sea level in an environment very similar to present day Gulf of Mexico.“We like to joke and call this beach-front property a 100 million years ago," Lockley says.The soft, wet, sandy land made conditions ideal for preserving tracks."If they're walking on wet sediment, like a beach or a mud flat or the shores of a lake, and it dries out, it becomes hard like concrete," Lockley explains. "And the next time there's a flood washing in more sediment, it will bury those tracks without them being eroded away."Experts believe three different dinosaurs made their mark on this patch of land. Lockley says it's possible they were migrating along what used to be a coast. It's clear the western U.S. was a popular place to be, because there are more than 120 dinosaur track sites from Kansas to Utah. Martin suggests part of the reason is less vegetation in these states means more fossilized rock is exposed.But if there are so many track sites, what makes Dinosaur Ridge the top of all track sites? Executive Director Jeff Lamontagne, with Friends of Dinosaur Ridge, says there was a list of criteria the panel considered."How many tracks there are, the variety of dinosaurs seen in the tracks, the importance of the tracks, the clarity of the tracks, the accessibility and number of visitors," Lamontagne explains.Accessibility is the main reason Dinosaur Ridge has become so highly regarded."It's right outside a major metropolitan area, and there's a major road just a quarter mile from here," he says. "It's easy to see this compared to most other dinosaur track sites in the United States and in the world."People can get so close to the tracks; in some places you can even touch them. Although the tracks have been well-preserved for millions of years, their current exposure to humans and the elements could make them erode over time.Thankfully, with current technology, scientists can scan the surface and re-create it as 3-D permanent record. They also plan to build a cover to protect the land.However, Friends of Dinosaur Ridge believe the hands-on part of the site is important for kids to continue learning about the planet's past. A past that can teach us about topics like climate change, evolution and extinction."We used to think that the dinosaurs all went extinct, but then we realized that some of them survived and evolved into birds," Lockley says.For modern-day humans, Dinosaur Ridge will continue to be an intriguing learning opportunity, reminding people we aren't the only ones to experience life on Earth."It gives you a sense of wonder to imagine these enormous beasts living, playing, dying, a hundred million years ago," Lamontagne says.********************************************If you'd like to reach out to the journalist for this story, email elizabeth.ruiz@scripps.com 3540

  肛肠医院哪个好中山   

Conditions aren’t ideal for tactical training, but trainee Teresa Fast is pushing through. "There's definitely winds, or rains, or whatever is out there,” she says. “We just work through it. It definitely makes you tough."Fast is among the hundreds of people each year who graduate and become U.S. border patrol agents. But before that happens, agents must first pass the coursework at CBP Border Patrol Academy, located in the desert of southern New Mexico, where they're whipped into shape.The agents are trained on real-work scenarios, like safely ending a vehicle pursuit. These types of situations were the focus of the academy's overhaul about a year ago, when the school switched over from a classroom 3-month curriculum to a more hands-on regimen that lasts 6 months. "The students actually see some of the things they will encounter in the field, so getting out of the classroom and making it scenario-based,” explains Deputy Chief Carlos Ortiz with the academy. Other scenarios include vehicle stops and interrogations, which are usually practiced in Spanish, a language they all have to learn. "You have to be a strong and willing person to be able to be out there day in day out,” Ortiz says. And 47-year-old Richard Douglas is willing and up for the task. Douglas was a border agent two decades ago, before moving over to Homeland Security after 9/11. He says now is a good time to return to the border. "The border patrol has made a big push to increase their numbers, and it was a really good time to come back for me,” Douglas says. The academy is recruiting in a big way.Congress says there must be over 21,000 border patrol agents, and as of 2018, they were still about 2,000 short. 1716

  肛肠医院哪个好中山   

Eddie Money, the singer and songwriter that was known for hits from the 1970's and 1980's such as "Baby Hold On" and "Take Me Home Tonight," died Friday morning following complications from esophageal cancer, his family announced.He was 70."It is with heavy hearts that we say goodbye to our loving husband and father. It's so hard to imagine our world without him, however he will live on forever through his music," the Money family's statement read.Money first announced 486

  

CLEVELAND — Imagine feeding your dog a food that's slowly taking years of their life. Most pet owners wouldn't think of such a thing, but it's happening all over the country.Back in November, WEWS 213

  

Creating vape juice, the liquid inside e-cigarettes, is a complicated process, that someone like George Cassels-Smith can talk for hours about. Cassels-Smith’s knowledge of e-juice and the electronic tobacco business stems from his family’s long history in traditional tobacco. In the early 1900s, his great grandfather ran a company around flavoring cigarettes. His father took the business over and eventually, it fell into his hands after his father passed. “I lost my father due to cigarettes,” said Cassels-Smith. “He was a lifetime smoker. He had three heart attacks and two strokes and cancer twice, and that’s why I entered into manufacturing e-juice.”The family business is now eLiquidTech, located outside Maryland. “I’d like to try and help people with their nicotine dependence with a safer alternative,” he said.When it comes to the safety of vaping, the Centers for Disease Control says almost 1,500 people around the country with a reported a history of vaping have been hospitalized with acute lung illnesses. More than two dozen people have died from it. “For the last 10 years, there have been relatively no health risk associated with it or very low,” said Cassels-Smith. “Now, all of a sudden, people are dropping like flies. What has been new that’s been introduced?”The CDC is still trying to figure that out. However, that question bothered George Cassels-Smith so much, he decided to test every product eLiquidTech makes. The test revealed, “that we were not introducing a biological problem to the agents that we compound.”Weeks of talking with other vaping manufacturers and industry insiders has left Cassels-Smith believing the cause of the outbreak may stem from black-market products or people introducing additional substances to legally manufactured vaping products. His strongest suggested culprit is THC. “I have a hypothesis that it is cannabis related,” Cassels-Smith said. “Those are oil-based products for delivering big aerosol, as opposed to PG glycerin-based, which is for making nicotine products.”Around 78 percent of the people who have come down with vaping related illness, or who have died, have reported using THC liquids in their e-cigarettes. However, the CDC has not definitively pointed to that being the cause of this outbreak. The CDC’s current statement on the cause of the rash of recent lung illnesses and deaths is, “At this time, FDA and CDC have not identified the cause or causes of the lung injuries in these cases, and the only commonality among all cases is that patients report the use of e-cigarette, or vaping, products.”“I would ask the CDC and the FDA to carefully look at the delineation into scrutinize what these elements are associated with,” said Cassels-Smith. “We need to do more effort to find out what is exactly doing this.” Answers would help eLiquidTech’s business, which typically it produces 80,000 to 100,000 kilos of vape juice. But this month, it is only projected to produce 10,000. Answers would also help George-Cassel Smith’s conscience. “With people dying, I need answers. I need to sleep well at night,” he said. “I am doing everything I can to make sure I am not part of the problem.”But most importantly, answer would help families, losing love ones around the country from vaping related illnesses. 3305

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