Interesting facts The world consumes 50 billion tons of sand per year and no one is monitoring it: the UN warns that the second most used resource on the planet after water is running out and has even created an international mafia. Maria Heloisa Barbosa Borges 04/04/2026 at 18:20
Science and Technology Helicopters Dump 150 Tons of Sand Into a River in Swedish Lapland to Repair Centuries-Old Damage From Logging, Accelerate the Return of Insects, Fish, and Mussels, and Test If Extreme Engineering Can Revive Nearly Dead River Ecosystems in Northern Europe Maria Heloisa Barbosa Borges 17/01/2026 at 12:57
