Asian breath holding. When I asked Billaut how his subjects had reacted to the results, he smiled and shrugged. Scroll down for video. For more than 1, years, the Bajau - known as 'Sea Nomads' - have wandered the seas of southern Asia in house boats, catching fish by free diving with spears. They have evolved genetically enlarged spleens which allows them to use oxygen more efficiently so they can stay underwater for longer. Ed Yong is a staff writer at The Atlanticwhere he covers science. As the government budget threatens the population of wild horses, one woman is fighting to keep them free. Detailed 3D laser scans of Notre Dame Cathedral captured by late historian could be used to save the On one hand, the XR lacks the high-resolution screen and dual-lens camera on the XS. As the dive response kicks in, heart rate slows, blood is directed to the vital organs, and the spleen contracts to inject oxygenated red blood cells into the circulation. The diaphram could become stretched. News Science. There could be some looseness that develops over your training. The update that really will improve your iPhone.