Making a Really Big Galaxy
This is how astronomers think giant galaxies form super-massive black holes (the adjectives are the astronomers’). Way back at the beginning, maybe a billion years after the birth of a 14 billion year old universe, enormous galaxies a hundred times bigger than the Milky Way were born, pulling themselves together out of clouds of stars [...]
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New Book: Siesta and the Midnight Sun
Now that humanity has spread right to the Earth's poles and adopted a 24-hour business day, our internal clocks struggle against our urban schedules. And the cost of ignoring these circadian clocks is high. The Exxon Valdez oil spill, Three Mile Island, the Bhopal chemical plant explosion, and the Chernobyl disasters were all attributed to human error and all happened on the night shift.
Jessa Gamble travels the planet to answer an essential question: Do we want to construct our own artificial timetables or find a new connection with the body's internal one?
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