Insight into shark magnetic field perception from empirical observations

Magnetic-field perception

What is the evidence that animals perceive magnetic fields? The evidence for magnetoreception is mainly behavioural. The most common approach has been to alter the magnetic field around animals and watch for corresponding changes in orientation or navigation behaviour. Usually this has been done in the lab, where carefully calibrated magnetic fields can be produced. But experiments have also be...

Morphology of the ring current derived from magnetic field observations

Our examination of the 20 years of magnetospheric magnetic field data from ISEE, AMPTE/CCE and Polar missions has allowed us to quantify how the ring current flows and closes in the magnetosphere at a variety of disturbance levels. Using intercalibrated magnetic field data from the three spacecraft, we are able to construct the statistical magnetic field maps and derive 3-dimensional current de...

The Magnetic Field of the Solar Corona from Pulsar Observations

Abstract. We present a novel experiment with the capacity to independently measure both the electron density and the magnetic field of the solar corona. We achieve this through measurement of the excess Faraday rotation due to propagation of the polarised emission from a number of pulsars through the magnetic field of the solar corona. This method yields independent measures of the integrated e...

Rotation rate of Saturn’s interior from magnetic field observations

[1] Analysis of magnetic field data from the Pioneer 11, Voyager 1 and Voyager 2 spacecraft produced the first models of Saturn’s internal field. One striking feature of these models is the lack of non axisymmetric terms, which poses strong constraints on the dynamo mechanism. Resolution of the internal field using magnetic field data from different epochs is complicated by the uncertainty in o...

Mitophagy: New Insight into the Cardiovascular Aging