Black mambas were found to be indicators of toxic poisons from heavy metals.
Articles on Heavy metal pollution
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Exciting new devices and materials powered by tiny nanomaterials are being developed to clean up South Africa’s polluted water sources.
A quick scan with a smartphone or an online search can identify foods with lower levels of these toxic substances.
Uncontrolled pollution from hundreds of disused mines has contaminated the water and soil used by Soweto’s urban farmers.


