There’s just something about red. Bold, fiery, commanding — red knows how to catch your attention. Accordingly, you might not be surprised to learn all the powerful concepts the color can represent.
In June 2015, the cameras on NASA’s approaching New Horizons spacecraft first spotted the large reddish polar region on Pluto’s largest moon, Charon. Mission scientists knew two things: they’d never ...
This week, millions of Americans are anxiously scanning air quality maps focusing on two colors: red and purple. Red indicates "unhealthy" air quality, and purple? "Very unhealthy." When did purple ...
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