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  1. Archaeology

    The Original Cocoa Treat: Chemistry pushes back first use of the drink

    Analysis of residues from ancient Maya vessels has revealed that the pots held cocoa almost 1,000 years before its previously known earliest use.

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  2. 19089

    As I recall, neural networks also require, from time to time, periods of very low input in order to maintain their learning efficiencies. Neural-network researchers call these periods sleep, yet these networks obviously don’t require glycogen to function. Thus, it always seemed to me that sleep is probably more of a requirement of the neurons’ […]

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  3. Health & Medicine

    Sleepy Heads: Low fuel may drive brain’s need to sleep

    A new study supports the hypothesis that dwindling energy stores in the waking brain induce sleep.