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When the universe formed during the Big Bang 13.8 billion years ago, the chemical reactions of the aftermath formed the first molecules. Those first molecules were crucial in helping form everything we know, but they're also absent.And although HeH+, the helium hydride ion, has been proposed for years as that first molecule, scientists couldn't find any evidence of its existence in space -- until now. The findings were published Wednesday in the journal 470

Wannabe vampires, beware: The US Food and Drug Administration warned Tuesday against using plasma infusions from young blood donors to ward off the effects of normal aging as well as other more serious conditions. Plasma, the liquid portion of the blood, contains proteins that help clot blood.The infusions are promoted to treat a variety of conditions, including normal aging and memory loss as well as serious conditions such as dementia, multiple sclerosis, heart disease and post-traumatic stress disorder."There is no proven clinical benefit of infusion of plasma from young donors to cure, mitigate, treat, or prevent these conditions, and there are risks associated with the use of any plasma product," FDA Commissioner Dr. Scott Gottlieb wrote in a 770

Waffle House says it is closing 420 restaurants across the country.In a Tuesday morning tweet, Waffle House said the vast majority of its locations would remain open.According to a map included in Waffle House's tweet, many of the chain's northernmost locations will close. Most of the restaurant's locations in Ohio, northern Virginia and Maryland are among those that will be shut down.Waffle House did not immediately respond to a request for comment.The closures come as the Trump administration has urged Americans to avoid eating in restaurant dining rooms, encouraging them instead to order take-out or go through drive-thrus at least through the weekend.FEMA has confirmed that they measure the severity of a disaster by how many Waffle Houses in an area remain open. Because the restaurants are open 24/7 and rarely close, a high number of Waffle House closures in an area can signal the area needs federal assistance. Waffle House released the following statement: Hour by hour, Waffle House’s reality is changing. We continue to adapt as different restrictions are imposed on how businesses can operate. This week, with stricter restrictions being implemented, our system sales have declined by about 70% below normal levels. So, we’ve made some painful decisions. Over this past week, 420 Waffle Houses across the country have temporarily closed. Some of those closures resulted from our consolidation of restaurant operations where it made sense to do so.During significant weather events such as hurricanes, we have used a systematic approach of utilizing our available resources to help recovering communities get back to normal as quickly as possible. Out of that approach, a measuring criterion known as the Waffle House Index has been born. The Index typically has been used to gauge the level of impact to the communities affected by natural disasters or storms. Never has the Waffle House Index been used to track the effects of an event that was not weather-related, until now.This week, we posted information on the number of Waffle House closures related to COVID-19. We referred to the Index as a way to help people understand how big of an impact this virus has had on the restaurant industry. The reference to “Code Red” also highlights the tremendous impacts that are being felt by many of our Associates and their families. With so few Customers visiting our restaurants, we are rapidly losing the ability to offer enough work hours for our Associates to earn money needed to live their lives and pay their bills. Hardest hit so far, are our restaurants in the Midwest and along parts of the Gulf Coast.Waffle House is striving to keep as many stores open for as long as we can, in order to support as many Associates as possible. Currently, some 1,528 stores are open in various capacities. Out of those stores, 135 are open on limited shifts. Another 1,278 stores are operating a take-out-only business while another 250 stores are able to offer limited-capacity, dine-in service with social distancing protocols in place. 3064

US pilots who fly the Boeing 737 Max have registered complaints about the way the jet has performed in flight, according to a federal database accessed by CNN.In one of the complaints, a captain reported an autopilot anomaly which led to a brief nose-down situation -- where the front of the aircraft pointed down, according to the federal database. In another complaint, a first officer reported that the aircraft pitched nose down after the autopilot was engaged during departure. The autopilot was then disconnected and flight continued to its destination, according to the database.Although the data doesn't identify the pilots or their airlines, two US carriers fly the 737 Max 8: American Airlines and Southwest.Extraordinary worldwide attention has been focused on the jet -- Boeing's biggest-selling airliner -- after Sunday's crash of a new Ethiopian Airlines 737 Max 8, minutes after takeoff from Addis Abba, which killed all 157 people on board. It was the second deadly crash of the same new plane type within five months. The crash of Lion Air Flight 610 shortly after takeoff last October killed all 189 people on board.It's very early in the investigation of the Ethiopian Airlines crash and information from the flight data recorder and cockpit voice recorder, which have been recovered from the crash site, has not yet been analyzed. Because of that, there is no direct evidence linking the two plane crashes.Nonetheless, much of the world's aviation regulators have grounded the 737 Max -- either the Max 8 or both the 8 and 9 version -- which is a longer model of the Max flown by US-based United Airlines. All three airlines say the plane is safe and have continued to fly it. The FAA has so far declined to ground the plane.Southwest Airlines' pilots union is standing by the airline's decision to continue to fly the Max. Southwest has 34 737 Max 8s -- the largest fleet in the US.Pilot: Flight manual is 'inadequate and almost criminally insufficient'Other pilot complaints from the federal database include a report saying it is "unconscionable" that Boeing, the US aviation regulatory agency (the Federal Aviation Administration) and the unnamed airline would have pilots flying without adequate training or sufficient documentation.The same entry also charges that the flight manual "is inadequate and almost criminally insufficient."The reports are further evidence that pilots in the US may have experienced something similar to what happened in the Lion Air incident.Investigators in the Lion Air crash suspect it may have been caused by an angle of attack (AOA) sensor on the outside of the plane which transmitted incorrect data that could have triggered automated flight software called the Maneuvering Characteristics Augmentation System (MCAS) that forced the plane's nose down.In November, after the Lion Air crash, Boeing issued an "Operations Manual Bulletin" advising airline operators how to address erroneous cockpit readings. It pointed airlines "to existing flight crew procedures to address circumstances where there is erroneous input from an AOA sensor," a Boeing statement said. The FAA later issued its own emergency airworthiness directive that advised pilots about how to respond to similar problems.CNN has reached out to the FAA and Boeing for comment, but has not heard back. 3339

US Customs and Border Protection will not vaccinate migrants, even though three children who had been in US custody died after contracting the flu.The cases all occurred since December."In general, due to the short-term nature of CBP holding and the complexities of operating vaccination programs, neither CBP nor its medical contractors administer vaccinations to those in our custody," according to a statement Tuesday from CBP.Migrants are supposed to held in CBP custody for 72 hours or less, but often remain there for longer.After leaving CBP custody, children without parents are sent into the care of the US Department of Health and Human Services, where flu vaccines are distributed, according to Evelyn Stauffer, a spokeswoman for the Office of Refugee Resettlement, a part of HHS.Public health experts had strong reactions to CBP's statement, saying the department should be able to vaccinate migrants, even if they're in CBP custody for only a few days."I think their answer is completely inappropriate," said Dr. William Schaffner, an infectious disease specialist at Vanderbilt University and an adviser the US Centers for Disease Control and Protection. "They ought to be able to do this. They create facilities that encourage the spread of infectious agents, with flu at the top of the list."Flu activity in the United States typically begins to increase around October and many US pharmacies already have flu vaccines available.Children younger than 5, and especially those younger than 2, are at high risk of serious flu-related complications, according to the CDC. Flu seasons vary in severity, but thousands of children are hospitalized each year related to the flu, and some children die. A flu vaccine offers the best defense against getting flu and spreading it to others, the CDC said.Concern about contagious diseasesOn August 5, two members of Congress 1891