The Writer’s Almanac tells me that today, the 9th of November, is Carl Sagan’s birthday. He would have been seventy-five. Said Garrison Keillor of Sagan this morning: “[He] published a number of books that helped regular people understand ideas about the universe, including Dragons of Eden: Speculations of the Evolution of Human Intelligence (1977), whichContinue reading “On Carl Sagan’s Birthday”