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II. MAGNETIC disturbances are closely connected with the Auiroræ; while in temperate zones they are the exception, they form the rule in Arctic regions, at least the instruments are almost in constant ...

Map: Eurasian reed warbler breeding range (green) in Europe and variation in the geomagnetic signature (total magnetic intensity, magnetic inclination and magnetic declination). The natural migratory ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...