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MARINE_LEO_ Mom
@MarineLEOMom
12 February, 05:20
In response mars 1776 to his Publication
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The Mac
@TheMac
13 February, 05:47
In response MARINE_LEO_ Mom to her Publication
Le-Qing Wu and David Dickman from the Baylor College of Medicine have found neurons in a pigeon's brain that encode the properties of a magnetic field. They buzz in different ways depending on how strong the field is, and which direction it's pointing in.
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The Mac
@TheMac
13 February, 07:09
In response The Mac to his Publication
We show that the artificial field through an attached magnet will quickly disrupt the birds' ability to distinguish pole-ward from equator-ward headings, but that much stronger fields are necessary to disrupt their ability to detect the magnetic axis.
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We may finally know the secret to how migrating birds can sense Earth's magnetic fields: a molecule in their eyes called cryptochrome 4 that is sensitive to magnetism, potentially giving the animals an internal compass.
07:10 AM - Feb 13, 2022
In response The Mac to his Publication
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The Mac
@TheMac
13 February, 07:14
In response The Mac to his Publication
Magnetoreception (also magnetoception) is a sense which allows an organism to detect a magnetic field to perceive direction, altitude or location. This sensory modality is used by a range of animals for orientation and navigation,[1] and as a method for animals to develop regional maps. In navigation, like in bird migration, magnetoreception deals with the detection of the Earth's magnetic field.
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The Mac
@TheMac
13 February, 07:14
In response The Mac to his Publication
Magnetoreception is present in bacteria, arthropods, molluscs, and members of all major taxonomic groups of vertebrates.[1] Humans are not thought to have a magnetic sense, but there is a protein (a cryptochrome) in the eye which could serve this function.[2]
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