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Mirage: Natural and Artificial - Nature
Nature· 20 hours agoIn natural mirage the non-homogeneous strata generally form horizontal layers, and in different conditions the air above or below the stratum may be the denser. The refractive index of a gas ...
Landslips - Nature
Nature· 20 hours agoIn certain districts in the immediate neighbourhood of Northwich the ground is completely honeycombed with rock-salt mines that had been worked out and abandoned. Into many of these fresh water ...
A Standardized Technique for the Separation of Steroids by Thin-layer Chromatography - Nature
Nature· 21 hours agoTHE thin-layer chromatographic separation of steroids on silica-gel chromatoplates is a rapid and useful preparative and analytical technique1–4. However ...
A Remarkable Solar Halo - Nature
Nature· 21 hours agoON July 2, one of the days on which Miss Stevens saw a halo at Oxford (NATURE, July 9, p. 221), a very bright halo was visible in the neighbourhood of Torbay. It attained its greatest brightness ...
New Aeroplane for England to Melbourne Race - Nature
Nature· 21 hours agoTHE first flights of a new racing monoplane, known as the Comet, designed and built by Messrs. De Havilland for the England to Melbourne race, have just taken place at Hatfield. The most outstanding ...
Our Astronomical Column - Nature
Nature· 22 hours agoVarious theoretical objections to this photometer have been advanced, and many sources of error suggested, but Prof. Pritchard has made the best possible reply to them by measuring a number ...
The Wedge Photometer 1 - Nature
Nature· 22 hours agoMUCH attention has recently been directed to the use of a wedge of shade glass as a means of measuring the light of the stars. While it has been maintained by various writers that this device ...
Cannulation of Minute Mesenteric Veins for Continuous Portal Perfusion of Rats - Nature
Nature· 22 hours agoTHE introduction of a cannula into a very small vein (< 1 mm.) is almost impossible because of collapse and cohesion of the vessel walls. Any looping or clamping of the vein beyond the incision ...
Scientific Serials - Nature
Nature· 22 hours agoBulletins de la Société D'Anthropologie de Paris, tome dixième, 4e fascicule, 1887.—This closing number for the last year enumerates the various presentations made to the Society since the previous ...
Röntgen Rays in the Diagnosis of Disease - Nature
Nature· 22 hours agoGREAT development has taken place in the last few years in the application of Röntgen rays to the diagnosis of disease. At first it was only possible to show the shadows cast by bones and by ...
