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Phil Plait, in his Bad Astronomy blog, noting that Betelgeuse's recent behaviour, "[w]hile unusual . . . isn't unprecedented," argued that the star is not likely to explode "for a long, long time." [ 195 ] Dennis Overbye of The New York Times agreed that an explosion was not imminent but added that "astronomers are having fun thinking about it."
The Great Pyramid of Giza [a] is the largest Egyptian pyramid.It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom.Built c. 2600 BC, [3] over a period of about 26 years, [4] the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only wonder that has remained largely intact.
Global Goals Week is an annual week-long event in September for action, awareness, and accountability for the Sustainable Development Goals. [88] It is a shared commitment for over 100 partners to ensure quick action on the SDGs by sharing ideas and transformative solutions to global problems. [ 89 ]
Since 2015, the WHO European Region has been free of malaria. The last country to report an indigenous malaria case was Tajikistan in 2014. [18] There are about 1300–1500 malaria cases per year in the United States. [41] The United States eradicated malaria as a major public health concern in 1951, [217] though small outbreaks persist. [218]
The production of silk originated in China in the Neolithic period, although it would eventually reach other places of the world (Yangshao culture, 4th millennium BC). Silk production remained confined to China until the Silk Road opened at some point during the latter part of the 1st millennium BC, though China maintained its virtual monopoly over silk production for another thousand years.