7 Billion People And Trillions Of Creatures To Be Photographed Together On July 19

Carl Sagan once wrote a mischievous paper called "A Search for Life on Earth from the Galileo Spacecraft". Being a living Earthling, he knew he'd find life here. So what was he really up to? The experiment he ran in 1990 is about to be repeated in a few weeks. Here's my closer look.

Source: http://www.npr.org/blogs/krulwich/2013/06/27/196226342/7-billion-people-and-trillions-of-creatures-to-be-photographed-together-on-july-?ft=1&f=1057

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