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Scientists have discovered a ‘unique archive’ of ocean water that still exists virtually undisturbed from the last Ice Age some 20,000 years ago. Palaeoceanography – which investigates the makeup of ancient oceans lost to history – invariably relies on proxy methods, since such bodies of water have inevitably long since disappeared. But if you have
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South Africa’s Makhonjwa Mountains are home to some of the oldest rocks on the planet – but not everything in this magnificent landscape originated on Earth. Scientists say they’ve discovered trace evidence of extraterrestrial organic matter buried within volcanic sediment from over 3.3 billion years ago. “This is the very first time that we have found