The Great Salt Lake is separated by a 20-mile (32-kilometer) causeway into a super-salty north arm and a less-salty south arm, with each hosting distinct communities of extremophiles. These organisms mingle at a gap in the causeway, designed to regulate salinity, that has provided microbiologist...
Source: [Phys.org](https://phys.org/news/2026-07-weather-human-impact-lake-extremophiles.html)