Scientists Discover Unusual Lifeform Beneath Arctic Ice
Scientists have discovered that nitrogen fixation occurs under Arctic sea ice, challenging previous assumptions that it was impossible in such inhospitable conditions. This process, vital for supporting marine food webs and potentially influencing the ocean's carbon budget, is now understood to be more widespread in the Arctic than previously thought, especially as sea ice retreats due to climate change. The findings suggest that Arctic ecosystems may be more resilient and productive than expected, but also highlight the need to include nitrogen fixation in future climate models.