Tuesday, 31 December 2019

eyes - Is it safe to look indirectly at the Sun?


I.e., is exposure of sunlight onto the peripheral vision less damaging than exposure onto the fovea?




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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...