18 for 2018

Today is the Summer Solstice, which for those who (like me, up until 10 minutes ago) don’t know what this is, Neil DeGrasse Tyson has kindly tweeted an explanation: Happy June Solstice to all residents of planet Earth: Longest day of the year for north of the equator. Shortest for south of the equator. And for Equatorians, same old boring…

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