Larger spleens may help ‘sea nomads’ stay underwater longer
DNA tests reveal the genetic underpinnings of this adaptation in the ethnic Bajau divers
![Bajau diver spear fishing](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/04/041818_AC_sea-nomad_feat.jpg?fit=860%2C460&ssl=1)
DAY JOB A Bajau diver, spear in hand, fishes off the coast of Indonesia. Bajau divers spend 60 percent of their diving time completely underwater, comparable to sea otters.
Melissa Ilardo