Humans
Heading south for the new origin of our species
East African fossils are famous, but new work on Australopithecus sediba suggests that the earliest human remains may lie in an area near Johannesburg
Opinion
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East African fossils are famous, but new work on Australopithecus sediba suggests that the earliest human remains may lie in an area near Johannesburg
Global warming bleaches and kills coral, but reefs can recover if their environment is pristine and free of human impacts such as pollution