TwistedSifter on MSN
Hypothesis suggests the Earth and many other life-bearing planets were once purple rather than blue and green
If the oceans of the world were filled with microbes that used retinal, the oceans would have reflected much more light in ...
Many of us develop strong attachments to particular colors, but purple brings out the most focused and enthusiastic devotion. What makes purple so distinctive? Part of the answer comes from optics.
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