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This gives me goosebumps. "As I was closing the door, I saw the red truck go by." The same truck reportedly following the mail carrier moments earlier @wxyzdetroit pic.twitter.com/56Hc9K9j2B— Jenn Schanz (@JennSchanzWXYZ) December 17, 2019 251

The U.S. Air Force has released preliminary information on an inspection across the Air Force Academy grounds to determine if there elevated levels of chemicals found in firefighting foam and other industrial products in the ground and groundwater. As a result, the Air Force will begin inspecting drinking wells south of the Academy, including the Woodmen Valley area, for potential contamination. According to a release, the results show groundwater samples contain levels higher than the Environmental Protection Agency Lifetime Health Advisory, which allows for 70 parts per trillion. These compounds have not been detected in water supplied by Colorado Springs Utilities to the Air Force Academy, according to the release. The statement references voluntary sampling conducted in January showed results at or below the EPA limit of 10 parts per trillion for water supplies. As a result of the higher than acceptable levels found on-base, Air Force officials will now coordinate to test drinking water wells south of the government-owned property.The chemicals involved are Perfluorooctane sulfonate (PFOS) and Perfluorooctanoic acid (PFOA), part of the family of 1185

Thursday marks Pi Day, otherwise known as 3.14, which marks the ratio of a circle's circumference to its diameter. While the average citizen can easily remember the 3.14 ratio, the exact ratio practically has an infinite amount of numbers. If you want a more precise pi ratio, it is 3.141592653589793238462643383279. How well do you think you could remember just those 30 digits? One man was able to remember the ratio of pi up to 70,000 decimal places. Rajveer Meena accomplished the feat on March 21, 2015 while wearing a blindfold. According to the Guinness Book of World Records, Meena's feat took nearly 10 hours to accomplish. According to Five-Thirty-Eight, there are now more than 22 trillion know digits to pi. According to Five-Thirty-Eight, it took a Dell computer nearly 105 days of computation to come up with the large number of digits. This is compared to just 2,000 known digits of pi in the mid-20th century. So how does one remember so many digits? Savant Daniel Tammet, who is able to remember pi's calculation to more than 20,000 digits, told David Letterman, "What I am doing is visualizing numbers." he said. "When you look at a number, you just see the numbers four and three. When I am looking at numbers, I am seeing different colors and shapes and textures. It is called 'synesthesia.' My brain is working in such a way I am looking and also experiencing color. It is two senses combined. "Having a more exact number of pi helps scientists at NASA conduct more precise experiments and calculations. Having more exact figures helps lend precision to projects such as landing rovers on Mars, sending spacecraft into deep space or tracking the movement of asteroids. To see many of the ways NASA uses pi, click 1746

The rebuild of Notre Dame will be well funded. In the past month, three historically black churches in Louisiana were destroyed by a racist arsonist. He has been charged with hate crimes, but these churches need your help. Please join me in donating https://t.co/gj1BcNsGpu— Yashar Ali ?? (@yashar) April 16, 2019 325

The Trump administration was expected to announce completion as soon as Thursday of one of its most momentous environmental rollbacks, removing federal protections for millions of miles of the country’s streams, arroyos and wetlands.The changes, launched by President Donald Trump when he took office, sharply scale back the government’s interpretation of which waterways qualify for protection against pollution and development under the half-century-old Clean Water Act.A draft version of the rule released earlier would end federal oversight for up to half of the nation’s wetlands and one-fifth of the country’s streams, environmental groups warned. That includes some waterways that have been federally protected for decades under the Clean Water Act.Trump has portrayed farmers — a highly valued constituency of the Republican Party and one popular with the public — as the main beneficiaries of the rollback. He has claimed farmers gathered around him wept with gratitude when he signed an order for the rollback in February 2017.The administration says the changes will allow farmers to plow their fields without fear of unintentionally straying over the banks of a federally protected dry creek, bog or ditch.However, the government’s own figures show it is real estate developers and those in other nonfarm business sectors who take out the most permits for impinging on wetlands and waterways — and stand to reap the biggest regulatory and financial relief. Environmental groups and many former environmental regulators say the change will allow industry and developers to dump more contaminants in waterways or simply fill them in, damaging habitat for wildlife and making it more difficult and expensive for downstream communities to treat drinking water to make it safe.“This administration’s eliminating clean water protections to protect polluters instead of protecting people,” said Blan Holman, a senior attorney with the Southern Environmental Law Center.The Trump administration has targeted a range of environmental protections for rollbacks. Trump says his aim is to ease regulatory burdens on businesses. 2139

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