There is a group of Pacific Islanders that have adapted to override their body’s pupil dilation in low light. It gives them immense clarity of sight underwater and the children develop it at a very early age.
from Crazy Facts http://ift.tt/1GiAE3X
There is a group of Pacific Islanders that have adapted to override their body’s pupil dilation in low light. It gives them immense clarity of sight underwater and the children develop it at a very early age.
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