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A comment on Children of a Thailand tribe who see with clarity beneath the waves (2016). Parent comment

Re:Children of a Thailand tribe who see with clarity beneath... by SECProto on Thursday August 29, 2019 @11:14PM (#20835691)
That's a pretty bizarre basis for differentiation - I grew up swimming in the ocean, eyes wide open. never once did I get red eyes. Chlorine in pools is a different story.
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Re:Children of a Thailand tribe who see with clarity beneath... by mschuster91 on Friday August 30, 2019 @04:22AM (#20836746)
It's not just salt, it's other pollutants. The difference between swimming in clear Croatian beaches and the average German (or Italian) waterbody is noticeable.
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