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DETROIT, Mich. -- A Detroit police officer who was killed in a deadly shooting Wednesday night has been identified as 46-year-old Rasheen McClain, 159

xplorer will blast off to Mars in July and collect samples for eventual return to Earth. The name was suggested by Alex Mather, a Virginia seventh-grader, as part of a naming contest for U.S. schoolchildren. The U.S. space agency announced it Thursday at Alex's school in Burke, Virginia, and he got to read his winning essay live on NASA TV. Schoolchildren around the country submitted more than 28,000 essays last year. The rover is undergoing final preparations at NASA's Kennedy Space Center. 618

Every 15 minutes, someone in the United States dies of a superbug that has learned to outsmart even our most sophisticated antibiotics, according to a new 167

Chipotle announced on Tuesday a new menu item at its U.S. restaurants for the first time in 2019, and customers can get it delivered for free on Sundays in September. The new menu item is called "carne asada" and it is steak sliced and seasoned with lime, cilantro and spices. The new protein option will join menu mainstays chicken, steak, barbacoa and carnitas. Chorizo was added to Chipotle's menu in 2018. Chipotle's carne asada has been officially approved for the Whole30 program, and is compliant with a Paleo diet, Chipotle said.Carne asada was successfully tested in Fresno, California and Cincinnati before being rolled out nationwide."It performed incredibly well in the test markets and we're excited to be introducing this terrific, new steak nationwide for a limited time," said Chris Brandt, Chief Marketing Officer of Chipotle.Chipotle said that customers can have carne asada delivered for free on Sundays this month. Here is how Chipotle said customers can earn free carne asada: Go to order.chipotle.com or our Chipotle app on your iOS or Android mobile device.Build an order of or more.Select delivery and submit your order.Sit back and wait for a Chipotle delivery partner to deliver a burrito. Chipotle has more details on its Free Delivery Sunday promotion by clicking 1308

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