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Earth from space: Golden river of toxic waste spills out from deadly mining disaster in South Africa
A 2022 satellite photo shows a shimmering trail of dried, chemically-enriched mud left behind by a torrent of wastewater that ...
Science News18h
An African strontium map sheds light on the origins of enslaved people
While genetic tests can reveal the ancestry of enslaved individuals, strontium analysis can now home in on where they actually grew up.