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Researchers say that a malaria drug President Donald Trump took to try to prevent COVID-19 proved ineffective for that in the first large, high-quality study to test it in health workers and others closely exposed to people with the disease. Results published Wednesday by the 289

Sleep traits could be a risk factor for breast cancer, new research suggests. Women who said they preferred to get out of bed early were found to have a lower risk of breast cancer than those who stay up late.However, experts cautioned that other breast cancer risk factors such as alcohol consumption and being overweight have a greater impact than sleep and said there was no reason to change your sleep patterns.One out of 100 women who considered themselves morning people developed breast cancer, compared with two in 100 women who described themselves as evening people, according to the study, which was published Wednesday in the BMJ.The study also found that sleeping more than the average seven to eight hours per night was found to have a slightly increased risk of breast cancer. It also found there was little link with insomnia.Researchers used information from more than 400,000 women in two large data banks -- around 180,000 women from UK Biobank study and more than 220,000 women from the Breast Cancer Association Consortium study. Participants' preference for waking early or late was included in the data."It is important to note that these data do not suggest in any way that modifying sleep habits could eventually lead to a decrease in the risk of breast cancer," Luca Magnani, senior research fellow in the department of Surgery & Cancer at Imperial College London told the Science Media Centre."What they suggest is that it appears that the risk of breast cancer is associated with a genetic (thus not modifiable) trait that is in itself associated with a "morning" or "night" preference -- what we call 'larks' and 'owls'."According to 2016 figures from the 1700

SpaceX's Falcon Heavy rocket, the most powerful vehicle flying today, just passed a key milestone by launching its first-ever mission for a paying customer.The rocket took off Thursday from Kennedy Space Center in Florida just after 6 pm ET. It delivered a 269

Science centers, Smithsonian centers, and art museums are shutting down amid the spread of coronavirus. On Thursday evening, the Smithsonian museums, galleries and National Zoo will all close on Saturday indefinitely. The news comes as a hit to the D.C., which was also slated to host the Cherry Blossom Festival later in the month. The Smithsonian issued the following statement:"The health and safety of Smithsonian visitors, staff and volunteers is a top priority. We are closely monitoring the coronavirus situation and maintain ongoing communication with local health officials and the Centers for Disease Controland Prevention. Due to the rapidly changing nature of the situation, we are not announcing a reopening date at this time and will provide updates on a week-to-week basis on our websites. Follow the Smithsonian on Instagram, Facebook and Twitter for immediate updates @smithsonian."The situation is similar in New York, where the Metropolitan Museum of Art is shutting down indefinitely. Here is what The Met had to say:"We will be closing all three locations—The Met Fifth Avenue, The Met Breuer, and The Met Cloisters—temporarily starting tomorrow, March 13, to support New York City’s effort to contain the spread of COVID-19. The Museum will undertake a thorough cleaning and plans to announce next steps early next week. While we don’t have any confirmed cases connected to the Museum, we believe that we must do all that we can to ensure a safe and healthy environment for our community which at this time calls for us to minimize gatherings while maintaining the cleanest environment possible. We look forward to soon announcing when we’ll be able to welcome our staff and visitors back to the Museum.” 1738

ROCKY MOUNTAIN NATIONAL PARK, Colo. – Rocky Mountain National Park is now closed to all visitors until further notice to help prevent the further spread of the novel coronavirus in Colorado. The closure went into effect Friday at 7 p.m. and will remain in effect 24 hours a day, 7 days a week, according to Rocky Mountain National Park spokeswoman Kyle Patterson, who added access will not be permitted to the national park during this time. The official announcement of the closure came several after 514