Mind & Brain

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Health & Psychology

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Environment

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Researchers Just Accidentally Discovered A Process That Turns CO2 Directly Into Ethanol

In a new twist to waste-to-fuel technology, scientists at the Department of Energy’s Oak Ridge National Laboratory have developed an electrochemical process that uses tiny spikes of carbon and copper to turn carbon dioxide, a greenhouse gas, into ethanol. Their finding, which involves nanofabrication and catalysis science, was serendipitous.

Physics

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Solution to the Grandfather Paradox

If you could travel back in time, and you killed your grandfather, would you be killing your future self? What do physics, complexity theory, and computer science have to say about this famous murderous time-travel paradox?

Space

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Technology

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