Life On Earth May Once Have Been Purple, Researchers Say
The "Purple Earth" hypothesis suggests that retinal, a purple-pigmented molecule, once dominated plant life before chlorophyll— making for some not-so-green foliage.
By Caroline Redmond
•
Oct 18, 2018
Science News
Life On Earth May Once Have Been Purple, Researchers Say
The "Purple Earth" hypothesis suggests that retinal, a purple-pigmented molecule, once dominated plant life before chlorophyll— making for some not-so-green foliage.
By Caroline Redmond
•
October 18, 2018