How Color Shapes Our Lives
The social, historical, and evolutionary signals of colors. Plus, a video that shows how Newton arbitrarily named the colors of the rainbow.
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I_Believe_/flickr Why Some People Respond to Stress by Falling Asleep
Fight or flight, or sleep
carianoff/flickr Your Zodiac Sign, Your Health
Many doctors used to take astrology seriously—and season of birth has been linked to increased risk for a number of serious diseases. Can modern medicine actually learn from stars and seasonality?
Corbis Historical / Getty Why We Cry on Planes
Alone among strangers with little to do, a moment of calm amid the stress of travel
Darren Staples / Reuters
