The world's rivers have a secret. They shape the landscape and manage carbon in ways that are often overlooked. About 10% of the continents are covered by river floodplains. These areas act like giant reactors. They alter particles from mountains before sending them to the oceans. The time particles spend in these floodplains affects how continents weather and wha...

In the heart of India's Western Ghats, two small rivers, Karamana and Vamanapuram, are doing big things. These rivers flow through the Southern Granulite Terrain, a region known for its unique geology. The rivers' chemical makeup is influenced by several factors. Scientists took water samples from both rivers. They collected 36 samples from each river across thr...