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"Dust is most likely the reason why the star's light appears to dim and brighten," said lead author Tabetha Boyajian, assistant professor of physics and astronomy at Louisiana State University, for whom "Tabby's Star" is nicknamed.

"Due to the outbreak, consumers reduced travel and try to avoid visiting the brick-and-mortar stores. E-commerce platforms providing fresh food are seeing soaring demand," said Jason Yu, general manager of consultancy Kantar Worldpanel in China.

"Don't they care about their health?" a mask-clad Patrizia Antonini asked about people in the United States as she walked with friends along the banks of Lake Bracciano, north of Rome. "They need to take our precautions. ... They need a real lockdown."

"During my preparation I read through news writing guides, which will help me to be a journalism intern next year." says Fang.

"Does this have to hamper, prevent the discussions we have on all the other subjects? Definitely not, in no case," Macron said.