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    • Biological Unit for Vitamin A - Nature

      Nature· 19 hours ago

      VITAMIN A is unique in that the unit by which it has been defined has been measured with reference to a precursor, β-carotene, and not to vitamin A itself. This biological ...

    • Research Highlights - Nature Genetics

      Nature· 15 hours ago

      (Neuron 37, 827–841; 2003).The authors introduced 100 odorants into the headspace of the fly and recorded extracellular electrophysiological activity from a series of single ...