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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
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A volcano erupted on the Indonesian island of Bali Saturday, sending ash into the sky over surrounding villages and lava pouring down its sides. The island’s Mount Agung put national agencies on notice, causing some flight cancellations but no reported casualties with the eruption, which reportedly spread lava and incandescent rocks over about two miles.
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Scientists have developed a new way of achieving artificial photosynthesis, producing high-energy hydrocarbons by leveraging electron-rich gold nanoparticles as a catalyst. In photosynthesis, plants convert energy from sunlight into glucose by rearranging molecules of water and carbon dioxide. The new process mimics this natural ability via chemical manipulations that create liquid fuel, without requiring chlorophyll.