In northern Zambia in February, a tailings dam at the Sino-Metals Leach Zambia copper mine suddenly collapsed, spilling 50 million liters of waste containing cyanide and arsenic into the Kafue River.
Discover Wildlife on MSN
Scientists drop recorders into Amazon stream – and catch predators hunting like orcas
Electric eels 'switch off' their electronic pulses to sneak up on prey – a hunting strategy similar to that of orcas using ...
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