Science and Technology Scientists discover an invisible underground river pouring mercury into one of the most famous beaches in Spain, and the poison that no one could see may already be in the fish that tourists and locals consume every day. Maria Heloisa Barbosa Borges 15/04/2026 at 21:01
Science and Technology Beneath the Amazon, There Is Another Giant “Invisible” River Running Silently: 4,000 Meters Deep, a 6,000 km Flow Runs Through the Entire Amazon to the Atlantic, Leading Science to Rediscover the Largest Watershed on the Planet Ana Alice 10/03/2026 at 05:13
Interesting facts The 4,000-Km “Underground River” That Flows Beneath Brazil, One of the Largest Freshwater Reserves in the World Carla Teles 01/07/2025 at 10:57
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