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Societies and Academies - Nature
Nature· 11 hours agoMagnetographs were in simultaneous operation from April to October 1912, at the base stations of the British and Australasian Antarctic expeditions on opposite sides of the south magnetic pole ...
The Soviet Expedition to the North Pole - Nature
Nature· 12 hours agoTHE institution of a station for scientific A research within a few miles of the North Pole marks a new phase in polar exploration, and is a development of the intensive exploration ...
The Night Sky in July - Nature
Nature· 12 hours agoOn July 17 at 21h U.T. (= 22h summer time), Mars is in conjunction with the moon, and an occultatioh is visible from Great Britain. The disappearance of?Mars behind the modn as seen from Greenwich ...
Ester Sulphate Pattern of Rabbit Bile - Nature
Nature· 12 hours agoIsselbacher and McCarthy1 have recently reported excretion of a sulphate conjugate of bilirubin in the bile of rats. Using paper chromatography and auto-radiography of diazotized bile from rats ...
The Girard Reaction - Nature
Nature· 12 hours agoGirard and Sandulesco1 developed a method now known as the ‘Girard reaction’ for the isolation of small amounts of ketosteroids such as the sex hormones from natural products. Aldehydes and ...
Reactions of Organic Halides in Solution - Nature
Nature· 12 hours agoDr. Evans continues : “This indicates that steric hindrance was considered to be unimportant in the bimolecular SN2 reactions of RX when R is methyl or ethyl”. On the contrary, it “indicates ...
Proposed North Polar Flights - Nature
Nature· 12 hours agoSEVERAL flights over the north geographical pole have been made since Rear-Admiral R. E. Byrd, U.S.N., made the flight in 1926 using Spitsbergen as a base. Most important was the Soviet expedition ...
Semi-annual Variation in Upper-atmosphere Density - Nature
Nature· 12 hours agoA SEMI-ANNUAL variation in upper-atmosphere density, with maxima in April and October, and minima in January and July, was discovered in 1960 and has been generally accepted as a feature of ...
Dielectric Relaxation of Alcohol–Heptane Mixtures - Nature
Nature· 12 hours agoIT is well known1 that pure alcohols exhibit a large dielectric absorption at radio frequencies, together with a very much smaller absorption in the centimetre region. In practice, the low-temperature ...
Award of the Dr. W. S. Bruce Memorial Prize - Nature
Nature· 13 hours agoC. L. Bertram for valuable biological work in the Arctic and Antarctic during 1932-37 ; and especially for his work as biologist with the Graham Land Expedition during 1934-37, when he took ...
