AlaskaDenise
In Memoriam
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Source please.
.
Really???
Source please.
.
-
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Birds aren't the only ones using magnetic fields - so do COWS!!!
- Thread starter AlaskaDenise
- Start date
gsgs
Registered User
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Kezza, I don't understand how they can connect it with humans.
We can certainly not tell consciously the direction from magnetic
data gathered by our body alone.
Are they suggesting the cows do it subcontiously and we humans
may also be able to do it ?
There must be a clear command from the brain to the feet,
how can it be subconsciously ?
The cows (and maybe humans) may somehow feel better when
they are oriented N-S,
they are unhappy with (magnetic)E-W and try to change it, try to move
when they have this feeling without knowing why ?
I hadn't yet thought about it this way
.--------edit1---------
ahh no, it can't be. Not only would people have missed this "feature" of their
cows since 10000 years, but also the Feng Shui crowd and other scientists failed to
demonstrate this magnetic feature in humans despite presumably considerable efforts
Kezza, I don't understand how they can connect it with humans.
We can certainly not tell consciously the direction from magnetic
data gathered by our body alone.
Are they suggesting the cows do it subcontiously and we humans
may also be able to do it ?
There must be a clear command from the brain to the feet,
how can it be subconsciously ?
The cows (and maybe humans) may somehow feel better when
they are oriented N-S,
they are unhappy with (magnetic)E-W and try to change it, try to move
when they have this feeling without knowing why ?
I hadn't yet thought about it this way
.--------edit1---------
ahh no, it can't be. Not only would people have missed this "feature" of their
cows since 10000 years, but also the Feng Shui crowd and other scientists failed to
demonstrate this magnetic feature in humans despite presumably considerable efforts
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
http://jeb.biologists.org/cgi/reprint/86/1/1.pdf
about bees and orientation of demagnetised bees.
http://jeb.biologists.org/cgi/reprint/92/1/333.pdf
ferromagnetic mineral in human ( I understand nothing in electric or magnetic field )
In recent years, a variety of animals have been found which are able to synthesize
the ferromagnetic mineral magnetite (Fe3O4). Lowenstam (1962) originally recognized
biogenic magnetite in the radular teeth of a primitive marine mollusc, the chiton
(Polyplacophora), and since then it has been identified as a precipitate in several
magnetically sensitive organisms, including honey bees (Gould, Kirschvink &
Deffeyes, 1978), homing pigeons (Walcott, Gould & Kirschvink, 1979) and in magnetotactic
bacteria (Frankel, Blakemore & Wolfe, 1979). Zoeger, Dunn & Fuller (1980)
also report a localized concentration of magnetite in dolphin heads, although magnetosensory
behavioural experiments have not as yet been done on them.
Magnetite is biologically unique because it is both ferromagnetic and conducts
electricity like a metal; consequently it interacts strongly with magnetic and electric
fields.
http://www.gps.caltech.edu/~jkirschvink/pdfs/COINS.pdf
about magnetoreceptors,
picture
Orientation, navigation, and homing are critical traits expressed
by organisms ranging from bacteria through higher vertebrates.
Sensory systems that aid such behavior have provided key
selective advantages to these groups over the past 4 billion
years, and are highly evolved; magnetoreception is no
exception. Across many species and groups of organisms,
compelling evidence exists that the physical basis of this
response is tiny crystals of single-domain magnetite (Fe3O4). It
is the opinion of the authors that all magnetic field sensitivity in
living organisms, including elasmobranch fishes, is the result of
a highly evolved, finely-tuned sensory system based on singledomain,
ferromagnetic crystals.
http://jeb.biologists.org/cgi/reprint/86/1/1.pdf
about bees and orientation of demagnetised bees.
http://jeb.biologists.org/cgi/reprint/92/1/333.pdf
ferromagnetic mineral in human ( I understand nothing in electric or magnetic field )
In recent years, a variety of animals have been found which are able to synthesize
the ferromagnetic mineral magnetite (Fe3O4). Lowenstam (1962) originally recognized
biogenic magnetite in the radular teeth of a primitive marine mollusc, the chiton
(Polyplacophora), and since then it has been identified as a precipitate in several
magnetically sensitive organisms, including honey bees (Gould, Kirschvink &
Deffeyes, 1978), homing pigeons (Walcott, Gould & Kirschvink, 1979) and in magnetotactic
bacteria (Frankel, Blakemore & Wolfe, 1979). Zoeger, Dunn & Fuller (1980)
also report a localized concentration of magnetite in dolphin heads, although magnetosensory
behavioural experiments have not as yet been done on them.
Magnetite is biologically unique because it is both ferromagnetic and conducts
electricity like a metal; consequently it interacts strongly with magnetic and electric
fields.
http://www.gps.caltech.edu/~jkirschvink/pdfs/COINS.pdf
about magnetoreceptors,
picture
Orientation, navigation, and homing are critical traits expressed
by organisms ranging from bacteria through higher vertebrates.
Sensory systems that aid such behavior have provided key
selective advantages to these groups over the past 4 billion
years, and are highly evolved; magnetoreception is no
exception. Across many species and groups of organisms,
compelling evidence exists that the physical basis of this
response is tiny crystals of single-domain magnetite (Fe3O4). It
is the opinion of the authors that all magnetic field sensitivity in
living organisms, including elasmobranch fishes, is the result of
a highly evolved, finely-tuned sensory system based on singledomain,
ferromagnetic crystals.
AlaskaDenise
In Memoriam
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
.
It seems reasonable to me that throughout history, various climatic changes would select out those who successfully adapted to necessary migration, using orientation, navigation, & homing skills - utilizing magnetism.
.
AlaskaDenise
In Memoriam
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Summers it's the opposite - earlier dawn and later twilight OR no darkness at all.
Using the sun to navigate here will send you around in circles.
.
Only in the winter.
Summers it's the opposite - earlier dawn and later twilight OR no darkness at all.
Using the sun to navigate here will send you around in circles.
.
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Interestingly, it has long been recognized that humans have a bio-energetic field around them that is both detectable and measurable. A whole new medical discipline is growing around the discovery, primarily focusing on the phenomenon with the intent to refine if for use as a diagnostic tool. Elements of this are used in CAT and MRI scan technology.
Think Star Trek medical scanners that are able to instantly diagnose physical ailments.
If an external magnetic field is introduced that affects this natural electromagnetic field that surrounds a living organism, it will distort the bio-energetic field.
There is every reason to suppose that this phenomenon exists in all living things.
I would suspect this observation is in some way linked to it, but don't know enough to speculate on how!
Interestingly, it has long been recognized that humans have a bio-energetic field around them that is both detectable and measurable. A whole new medical discipline is growing around the discovery, primarily focusing on the phenomenon with the intent to refine if for use as a diagnostic tool. Elements of this are used in CAT and MRI scan technology.
Think Star Trek medical scanners that are able to instantly diagnose physical ailments.
If an external magnetic field is introduced that affects this natural electromagnetic field that surrounds a living organism, it will distort the bio-energetic field.
There is every reason to suppose that this phenomenon exists in all living things.
I would suspect this observation is in some way linked to it, but don't know enough to speculate on how!
gsgs
Registered User
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Anne,
and why did they fail to demonstrate magnetically induced behaviour in humans ?
Can we really expect that there is some human feature which evades scientific detection
but is nevertheless somehow "useful" ?
Why should evolution have established a magnetic detection ability in humans
and then kept it unconscious ? Why not let them detect it consciously ?
Much more useful.
AlaskaDenise,
ahh, well, yes. But presumably the karibus or rendeers need their sleep despite of 24-hour sunlight.
And when the sun stands so low and it's cold, that is somehow special.
Were google-earth pictures (Oregon) taken in summer or winter ?
Anne,
and why did they fail to demonstrate magnetically induced behaviour in humans ?
Can we really expect that there is some human feature which evades scientific detection
but is nevertheless somehow "useful" ?
Why should evolution have established a magnetic detection ability in humans
and then kept it unconscious ? Why not let them detect it consciously ?
Much more useful.
AlaskaDenise,
ahh, well, yes. But presumably the karibus or rendeers need their sleep despite of 24-hour sunlight.
And when the sun stands so low and it's cold, that is somehow special.
Were google-earth pictures (Oregon) taken in summer or winter ?
gsgs
Registered User
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
someone please repeat/verify the study and make the data public.
Anyone who has access to google-earth should be able to do it
It needn't be 8000 cows, maybe 800 ?
But the data would be public, not limited to PNAS-subscribers.
No copyright on cow-couts on satellite-pictures !
http://groups.google.com/group/talk.origins/browse_thread/thread/dbae0cd0cb3f1f44/3b96f1d66f4723cb?
someone please repeat/verify the study and make the data public.
Anyone who has access to google-earth should be able to do it
It needn't be 8000 cows, maybe 800 ?
But the data would be public, not limited to PNAS-subscribers.
No copyright on cow-couts on satellite-pictures !
http://groups.google.com/group/talk.origins/browse_thread/thread/dbae0cd0cb3f1f44/3b96f1d66f4723cb?
gsgs
Registered User
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
they had lots of feedback, wanted to make a FAQ, a forum, but
apparantly this hadn't happened yet.
I found that just last year another group had discovered magnetic sensitivity
of chickens:
http://jeb.biologists.org/cgi/content/full/210/13/2300
Chickens at 465 nm blue light could detect magnetic fields,
but not at 645 nm red light.
Chickens in an oszillatng field of 1566 MHz became desoriented.
Local anasthedy of the upper bill, which contains iron
structures didn't influence the magnetic sense.
Chickens are similar as robins with their magnetic sense.
--------------------------------------------------------
http://www.ncbi.nlm.nih.gov/pubmed/...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
magnetic orientation of birds seems to depend on the right eye.
This is also true for chickens.
Chickens using their right eye could detect magnetism,
but not those using their left eye.
---------------------------------------------------------
http://www.ncbi.nlm.nih.gov/pubmed/...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
(some)strains of small chickens grown for egg-production
could detect magnetism,
but chickens from another sort, grown for meat-production
couldn't.
they had lots of feedback, wanted to make a FAQ, a forum, but
apparantly this hadn't happened yet.
I found that just last year another group had discovered magnetic sensitivity
of chickens:
http://jeb.biologists.org/cgi/content/full/210/13/2300
Chickens at 465 nm blue light could detect magnetic fields,
but not at 645 nm red light.
Chickens in an oszillatng field of 1566 MHz became desoriented.
Local anasthedy of the upper bill, which contains iron
structures didn't influence the magnetic sense.
Chickens are similar as robins with their magnetic sense.
--------------------------------------------------------
http://www.ncbi.nlm.nih.gov/pubmed/...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
magnetic orientation of birds seems to depend on the right eye.
This is also true for chickens.
Chickens using their right eye could detect magnetism,
but not those using their left eye.
---------------------------------------------------------
http://www.ncbi.nlm.nih.gov/pubmed/...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
(some)strains of small chickens grown for egg-production
could detect magnetism,
but chickens from another sort, grown for meat-production
couldn't.
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
I like this tread
chicken right eyes
about chicks and robot :
do you know this experience with small chickens and their " robot "mom which contained grains.
chicks impregnated by their "robot mom" , were able to influence the behaviour of the robot, by shouting hunger.
I like this tread
chicken right eyes
about chicks and robot :
do you know this experience with small chickens and their " robot "mom which contained grains.
chicks impregnated by their "robot mom" , were able to influence the behaviour of the robot, by shouting hunger.
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
no link, it was an old study about animal behaviour. I just know that at
Princeton university they make " experiences" about computer and mental influence, ( it's better than chick and robot ) I ve seen it at TV.
no link, it was an old study about animal behaviour. I just know that at
Princeton university they make " experiences" about computer and mental influence, ( it's better than chick and robot ) I ve seen it at TV.
AlaskaDenise
In Memoriam
Re: Birds aren't the only ones using magnetic fields - so do COWS!!!
Migrating animals may imprint on a magnetic signature
By Wade Rawlins, General Science / Biology
One of nature's enchanting mysteries is how marine animals such as sea turtles and salmon cross thousands of miles of ocean but still find their way back to their birthplaces to reproduce.
Researchers at UNC-Chapel Hill have proposed a new theory to help unravel the puzzle. According to their hypothesis, the animals imprint the Earth's unique magnetic signature along a stretch of coast, then retain that information to guide them back there.
Lohmann's experiments involved placing young loggerhead turtles in pools of water surrounded by magnetic coils. When researchers altered the magnetic fields in the water, the turtles changed the direction they were swimming.
"They do, in fact, respond to those different fields," Lohmann said. "This implies they have the sensitivity they would need for magnetic imprinting to occur."
First, magnetic imprinting may guide them back to the general region of their birthplace, Lohmann and his fellow researchers suggest.
Then, at least in the case of salmon, a second navigational mechanism involving sense of smell is used to guide the salmon more precisely to a specific river or even branch of a river.
Full story: http://www.physorg.com/news147424123.html
Migrating animals may imprint on a magnetic signature
By Wade Rawlins, General Science / Biology
One of nature's enchanting mysteries is how marine animals such as sea turtles and salmon cross thousands of miles of ocean but still find their way back to their birthplaces to reproduce.
Researchers at UNC-Chapel Hill have proposed a new theory to help unravel the puzzle. According to their hypothesis, the animals imprint the Earth's unique magnetic signature along a stretch of coast, then retain that information to guide them back there.
Lohmann's experiments involved placing young loggerhead turtles in pools of water surrounded by magnetic coils. When researchers altered the magnetic fields in the water, the turtles changed the direction they were swimming.
"They do, in fact, respond to those different fields," Lohmann said. "This implies they have the sensitivity they would need for magnetic imprinting to occur."
First, magnetic imprinting may guide them back to the general region of their birthplace, Lohmann and his fellow researchers suggest.
Then, at least in the case of salmon, a second navigational mechanism involving sense of smell is used to guide the salmon more precisely to a specific river or even branch of a river.
Full story: http://www.physorg.com/news147424123.html