Trump-appointed NASA head just declared Pluto a planet again

Trump-appointed NASA head just declared Pluto a planet again

NASA Chief Jim Bridenstine – a politician who’s probably seen one or two episodes of “Cosmos” – has officially declared Pluto a planet again. His reasoning: that’s the way he learned it in high school. My favorite soundbyte of the day that probably won’t make…

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Desert libraries of Chinguetti

I did not know about these wonderful places. For hundreds of years, families in Mauritania have been maintaining libraries of ol

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