Economy Science What Killed Tons of Fish in a European River? No Answer Yet By Yscien on Saturday, August 13, 2022 Poland’s environment minister says laboratory tests following a mass fish die-off have detected high salinity levels but no mercury in the Oder River. That means the mystery is continuing as to what killed tons of fish in Central Europe. … TelegramWhatsAppPinterestFacebookMastodonNextdoorX Related Previous Post Next Post Related Posts Economy Technology DeepSeek’s ‘Sputnik moment’ prompts investors to sell big AI players Economy Chiefs, Eagles reach Super Bowl Economy Percival Everett’s ‘James’ awarded Carnegie Medal for fiction