all4youat43 46yo Lafayette, Louisiana, United States

Trilobites: Cities That Never Sleep Are Shaped by Sunrise and Sunset

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epiccouple427 26yo Watertown, New York, United States

A study using cellphone call records of more than a million people found that city dwellers continue to be affected by Earth’s natural light-dark cycle. more on Geo altCom
noturavgjane0272 39yo Brooklyn, Connecticut, United States

bigirlIU 22yo Bloomington, Indiana, United States