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    • [Letters to Editors] - Nature

      Nature· 19 hours ago

      HAVING occasion to leave my house at 6.40 (the time given is Greenwich mean time throughout, and the bearings and directions were estimated from the pole-star, not compass) this evening, I was ...

    • Epicuticle of Blow-fly Larvæ - Nature

      Nature· 4 days ago

      IT is now clear that in many insects the epicuticle is the waterproofing layer of the cuticle. Rhodnius2 and Tenebrio3 undergo desiccation after removal of the wax layer by inert inorganic dusts ...

    • The Conception of the Atomic Clock - Nature

      Nature· 4 days ago

      Taking the variation of atomic clock rate as an experimental fact, established by the Doppler effect in hydrogen canal rays, and adopting also the Fitzgerald contraction of moving rods indicated ...