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posted by mrpg on Sunday September 02 2018, @01:51PM   Printer-friendly
from the so-cool dept.

ScienceAlert:

The mystery behind how birds navigate might finally be solved: it's not the iron in their beaks providing a magnetic compass, but a protein in their eyes that lets them "see" Earth's magnetic fields.

These findings come courtesy of two papers - one studying robins, the other zebra finches.

The fancy eye protein is called Cry4, and it's part of a class of proteins called cryptochromes - photoreceptors sensitive to blue light, found in both plants and animals. These proteins play a role in regulating circadian rhythms.


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  • (Score: 2) by SemperOSS on Sunday September 02 2018, @02:32PM (23 children)

    by SemperOSS (5072) on Sunday September 02 2018, @02:32PM (#729523)

    I wish I could see the magnetic lines as I always struggle when people say something like "Let's meet at the north entrance"!

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  • (Score: 2) by takyon on Sunday September 02 2018, @02:40PM (21 children)

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Sunday September 02 2018, @02:40PM (#729528) Journal

    Biohackers have been implanting magnets in their fingertips for years now. Not sure if it helps them find north. Might just give them a legit way to say their brains are affected by power lines, etc.

    https://en.wikipedia.org/wiki/Magnetic_implant [wikipedia.org]

    But it sucks:

    https://www.theverge.com/2017/7/21/15999544/biohacking-finger-magnet-human-augmentation-loss [theverge.com]

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    • (Score: 2, Informative) by Anonymous Coward on Sunday September 02 2018, @03:00PM (20 children)

      by Anonymous Coward on Sunday September 02 2018, @03:00PM (#729537)

      Years ago we had a name for this: retarded.

      • (Score: 1, Disagree) by takyon on Sunday September 02 2018, @03:12PM (18 children)

        by takyon (881) <takyonNO@SPAMsoylentnews.org> on Sunday September 02 2018, @03:12PM (#729541) Journal

        The R-word [r-word.org] is never OK!!!

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        • (Score: 1, Insightful) by Anonymous Coward on Sunday September 02 2018, @03:46PM

          by Anonymous Coward on Sunday September 02 2018, @03:46PM (#729551)

          I work at a data center. I hear people refer to our customers as retarded on a daily basis.

          Also, I should mention that our customers really are retarded, that's why they need to call tech support.

        • (Score: 3, Insightful) by Runaway1956 on Sunday September 02 2018, @05:23PM (16 children)

          by Runaway1956 (2926) Subscriber Badge on Sunday September 02 2018, @05:23PM (#729584) Journal

          "Developmentally challenged" and "retarded" are perfectly acceptable synonyms. Please leave your sensitivities at home.

          • (Score: 4, Informative) by takyon on Sunday September 02 2018, @06:21PM (7 children)

            by takyon (881) <takyonNO@SPAMsoylentnews.org> on Sunday September 02 2018, @06:21PM (#729601) Journal

            On October 5, 2010, former U.S. President Barack Obama officially signed bill S. 2781 into federal law. Rosa’s Law, which takes its name and inspiration for 9-year-old Rosa Marcellino, removes the terms “mental retardation” and "mentally retarded" from federal health, education and labor policy and replaces them with people first language “individual with an intellectual disability” and “intellectual disability.” The signing of Rosa’s Law is a significant milestone in establishing dignity, inclusion and respect for all people with intellectual disabilities.

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            • (Score: 1, Touché) by Anonymous Coward on Sunday September 02 2018, @07:12PM (1 child)

              by Anonymous Coward on Sunday September 02 2018, @07:12PM (#729612)

              That's why we voted for Trump to repeal this retarded law.

              • (Score: 2) by Rivenaleem on Monday September 03 2018, @09:08AM

                by Rivenaleem (3400) on Monday September 03 2018, @09:08AM (#729799)

                Christ, someone prepare the "flammably disabled" blanket, this is about to get heated!

            • (Score: 2) by Runaway1956 on Sunday September 02 2018, @07:29PM

              by Runaway1956 (2926) Subscriber Badge on Sunday September 02 2018, @07:29PM (#729617) Journal

              On October 5, 2010, some wanker with sensitivity problems signed a stupid note, attempting to change the meaning of a commonly used, and perfectly well understood word.

              I am completely unimpressed.

              This is the same sort of stupidity that denies that deviant people are deviant.

            • (Score: 5, Insightful) by Anonymous Coward on Sunday September 02 2018, @11:31PM (3 children)

              by Anonymous Coward on Sunday September 02 2018, @11:31PM (#729692)

              The problem is that it's a euphemism treadmill.

              Changing the name of the thing does nothing to change the stigma attached to the thing.

              • (Score: 2, Interesting) by pTamok on Monday September 03 2018, @07:07AM (2 children)

                by pTamok (3042) on Monday September 03 2018, @07:07AM (#729774)

                Well, to a certain extent, that is one of the ways that language evolves. It used to be that imbecile, idiot, moron, feeble-minded were all terms used by the medical community [wikipedia.org].

                It is an interesting exercise (for small values of interesting) to try and work out a noun for 'toilet' that isn't a euphemism. The best I could find was the Australian word dunny [wiktionary.org]

          • (Score: 4, Insightful) by RamiK on Sunday September 02 2018, @06:53PM (2 children)

            by RamiK (1813) on Sunday September 02 2018, @06:53PM (#729608)

            Have to agree. This political correctness drive to abolish certain words would leave us all speaking some neutered legalese English where we'll add "alleged" and "supposed" at every sentence just to avoid a profanity and slander charges soon enough. Retarded, idiot, moron, hysteric, imbecile, stupid, and cretin... Newspeak sucks balls.

            https://www.merriam-webster.com/words-at-play/moron-idiot-imbecile-offensive-history [merriam-webster.com]

            https://en.wikipedia.org/wiki/Idiot [wikipedia.org]

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            • (Score: 0) by Anonymous Coward on Sunday September 02 2018, @07:21PM (1 child)

              by Anonymous Coward on Sunday September 02 2018, @07:21PM (#729615)

              I really don't understand how people can be offended from learning that it was enshrined in government policy to try to keep their discussions about medical problems at a professional level.

              Go ahead and call these people and kids retards; you don't owe them anything, and if you're lucky, no one will think badly of you for making fun of disabled people.

          • (Score: 2) by Absolutely.Geek on Sunday September 02 2018, @08:37PM (4 children)

            by Absolutely.Geek (5328) on Sunday September 02 2018, @08:37PM (#729633)

            Language evolves; things that have a meaning today can have different meanings tomorrow. It seems you are the one that is sensitive.

            The labels applied to things (also people) also change. Quick test is the word "jandal" a synonym for the Australian word "thong" or the American word "thong"?

            If you wish to speak an unchanging language, I hear good things about Latin.

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            • (Score: 2) by PartTimeZombie on Sunday September 02 2018, @11:04PM (1 child)

              by PartTimeZombie (4827) on Sunday September 02 2018, @11:04PM (#729682)

              Quick test is the word "jandal" a synonym for the Australian word "thong" or the American word "thong"?

              ooh, ooh, I know that one!

              • (Score: 2) by Absolutely.Geek on Monday September 03 2018, @01:56AM

                by Absolutely.Geek (5328) on Monday September 03 2018, @01:56AM (#729723)

                Good to know that there are some knowledgeable people around.

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            • (Score: 2) by Runaway1956 on Monday September 03 2018, @03:49AM (1 child)

              by Runaway1956 (2926) Subscriber Badge on Monday September 03 2018, @03:49AM (#729739) Journal

              The problem is not that language changes. Language has changed constantly. My parents and grandparents had little clue what we were talking about half the time, and my own kids talk nonsense with their friends. Clothing changes, and even conduct changes over time. Gender specific conduct and clothing changes as well as more general things.

              In this case, however, we have some kind of driver forcing change, or trying to force change. Unlike generational changed, we have the driver turning around, and trying to force everyone to conform to the new "standards".

              Normal language changes never attempt to force anyone to conform. In fact, generational changes make some small effort to exclude the previous generation. Junior might explain what he and his friends mean with they word usage, but Junior will roll his eyes like he's talking to a retard, and do a poor job of explaining, which leaves Grandpa more confused than he was to start with.

              Banning the use of a word like "retarded" wasn't a move that came from the medical community. It came from the political identity crowd. The medical community may have conformed, but considering the driver is important to understanding what is going on.

              • (Score: 2) by Absolutely.Geek on Monday September 03 2018, @08:36PM

                by Absolutely.Geek (5328) on Monday September 03 2018, @08:36PM (#729958)

                Then why are you not trying to reinstate the words invalid or cripple into the general parlance; physically disabled people decided that these names were not descriptive enough and were used in a derogatory manner.

                The "retard" community has also decided that it doesn't like that term and has limited descriptive power and is often used in a negative way; hence they have asked for it to be changed. Being part of that community affords members a certain privilege to affect change regarding the community. The way to begin producing the change you want is to remove the official references to the terms you don't like.

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      • (Score: 0) by Anonymous Coward on Sunday September 02 2018, @03:27PM

        by Anonymous Coward on Sunday September 02 2018, @03:27PM (#729544)

        At this stage yea..

  • (Score: 2) by martyb on Sunday September 02 2018, @08:36PM

    by martyb (76) Subscriber Badge on Sunday September 02 2018, @08:36PM (#729632) Journal
    It was quite a while ago, but ISTR reading about a belt that had some kind of mechanisms arranged around it so that the one nearest north would vibrate(?) periodically. Does anyone else remember this?
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