Sentences with phrase «magnetic sense»

In European robins, a visual center in the brain and light - sensing cells in the eye — not magnetic sensing cells in the beak — allow the songbirds to sense which direction is north and migrate correctly, a new study finds.
• Replacement of more durable covers on Magnetic Sensing System (MSS).
«We're moving toward [magnetic sense] being the default hypothesis for how marine animals achieve their long - distance migrations,» says co-author Nathan Putman, a Florida - based biologist with the National Oceanic and Atmospheric Administration.
The magnetite - mediated mechanism seems to act as part of a magnetic map - or signpost sense, which could provide the animal with information about its geographic position, whereas the vision - mediated magnetic sense seems to be a pure compass sense that is based on radical - pair processes in the birds» eye (s)[for reviews], [see e.g. 8, 9].
But Chapple had come to northwest Mexico hoping to prove a longstanding scientific theory: that hammerheads and perhaps other sharks navigate through a powerful magnetic sense.
But there could be some kind of unconscious magnetic sense that helps us sense direction and spatial orientation.»
A magnetite - based magnetic sense functions like a pocket compass and does not require any light.
The sample is placed on a special mount, within a printed circuit board, used to deliver microwaves which allow quantum manipulations and magnetic sensing with the NVs.
Researchers, including Budker and Folman, are attempting to solve other mysteries through magnetic sensing.
«If there is a general magnetic sense for vertebrates, we should be able to see common mechanisms.»
Other studies have even found minuscule amounts of magnetite in the human brain, but recent research suggests most of it comes from air pollution rather than occurring naturally, and it's unclear whether they give humans a subconscious magnetic sense.
They said these rod - like compasses make animals» magnetic sensing possible.
Out in the real world, the only glitches we noticed were the sometimes magnetic sense of the electric power steering and an occasional abrupt downshift while we were rolling to a halt.
Normally they regulate the biological clock, but have also been considered significant for the magnetic sense.
The conclusion is thus that this specific protein helps the magnetic sense to function, while other cryptochromes, whose levels in the body vary at different times of the day, take care of the biological clock instead.
Even resident birds that do not migrate in the spring and autumn have a magnetic sense and navigate using their internal magnetic compass.
Some scientists still hold that the magnetic sensing cells will be found in the beak, or in birds» eyes, but working backward from the brain will help sort it out, says Dickman.
A magnetic sense is found in some insects, fish, reptiles, birds and mammals, whereas humans do not appear to be able to perceive Earth's magnetic field.
Future studies will have to reveal whether the cryptochrome 1 in the blue cones is also part of a magnetic sense in mammals or whether it fulfils other tasks in the retina.
Many fundamental questions remain open in the research on the magnetic sense.
They seem to hatch with a set of directions, which, with the help of their magnetic sense, ensures that they always stay in warm waters during their first migration around the rim of the North Atlantic.
Therefore, it is possible that these animals also have a magnetic sense that is linked to their visual system.
The magnetic sense in migratory birds has been studied in considerable detail: unlike a boy scout's compass, which shows the compass direction, a bird's compass recognizes the inclination of the magnetic field lines relative to Earth's surface.
They traced this magnetic sense to nerves rooted in iron - crystal - rich tissue located behind the trout's nose.
Henry Nicholls says red foxes apply a magnetic sense to hunting and are more successful when they pounce in a...
Where does this magnetic sense come from — and do we have it too?
To work out the genetic basis, Duke University postdoctoral associate Bob Fitak and biology professor Sönke Johnsen and colleagues investigated changes in gene expression that take place across the rainbow trout genome when the animal's magnetic sense is disrupted.
Currently, theoretical, behavioral and physiological evidences support two magnetic sensing hypotheses: a magnetite - mediated magnetic sense [4]--[6] and / or a vision - mediated magnetic compass [7].
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