Nature
Earthquake Observations in Galicia - Nature
Twenty years ago, earthquakes were described as consisting of preliminary tremors, shocks and concluding vibrations, each of which had distinguishing periodic motions. Now ...
7 days ago
Societies and Academies - Nature
The periodic feature is found to be strongly and definitely present, provided the records for the two sun-spot cycles from about 1776 to 17q8, which...
Intra-atomic Charge and the Structure of the Atom - Nature
Surely the absolute values depend on the number of rare-earth elements; but if to the twelve elements of this series, the international table contains between cerium and tantalum ...
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