Guide of UNDERWATER SEA

Children of sea see clearly underwater - Gypsy Secret - nomadic sea gypsies Science News - Find Articles
For hundreds of years, small nomadic tribes called sea gypsies have lived among the islands of Southeast Asia, earning fame for their swimming and diving skills.
Sea-gypsy children regularly collect food such as clams and sea cucumbers off the ocean floor.
A research team studying one sea-gypsy tribe has now found that its children have better-than-normal underwater vision because their eyes adapt to the liquid environment..
Intrigued by tales from a colleague who had observed the food-collecting prowess of sea-gypsy children, vision researcher Anna Gislen of Lund University in Sweden decided to investigate how such kids can pick out small objects while diving without goggles.
Since many sea-gypsy tribes live on boats in remote areas and dislike strangers, Gislen and her colleagues had to find a tribe willing to be studied.
The researchers eventually worked with the Moken, a tribe living in the archipelago along the west coasts of Burma and Thailand..
Initially, the researchers compared the underwater vision of 6 Moken children with that of 28 European children visiting the region.
In eye exams conducted in local waters, the sea-gypsy kids had superior resolving power and better perception of contrast, Gislen's team reports in the May 13 Current Biology..


UNDERWATER SEA

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