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Japan Medicine Power News Science

Fukushima Radiation Still Poisoning Insects 119

sciencehabit writes: Eating food contaminated with radioactive particles may be more perilous than previously thought — at least for insects. Butterfly larvae fed even slightly tainted leaves collected near the Fukushima Daiichi Nuclear Power Station were more likely to suffer physical abnormalities and low survival rates than those fed uncontaminated foliage, a new study finds. The research suggests that the environment in the Fukushima region, particularly in areas off-limits to humans because of safety concerns, will remain dangerous for wildlife for some time. In other lingering radiation news, reader Rambo Tribble writes: Forest detritus, contaminated in the aftermath of the 1986 Chernobyl disaster (abstract), is decaying at a much slower rate than normal, building up and creating a significant fire risk. This, in turn, is creating a real potential for the residual radioactive material to be distributed, through smoke, over a broad area of Europe and Russia. Looking at different possible fire intensities, researchers speculate, "20 to 240 people would likely develop cancer, of which 10 to 170 cases may be fatal." These figures are similar to those hypothesized for Fukushima.
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Fukushima Radiation Still Poisoning Insects

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  • Relevent (Score:2, Interesting)

    by Anonymous Coward

    http://fc06.deviantart.net/fs70/f/2011/123/e/7/mother_gaia_by_humon-d3fh24i.jpg

    • by MrKaos ( 858439 )

      Whilst sadly amusing what the artist misses is that humanity is Gaia's most likely candidate for reproduction than any other species. Whilst we are, sadly, arrogant Homo Sapien represents the apex of evolution on the earth. Whilst nature would go on without humans it would also take billions of years for another species like humanity to emerge, IF another species emerges.

      We may die before nature, but our evolution on this planet also serves natures inherent instinct to survive and reproduce elsewhere.

      • by Ihlosi ( 895663 )
        Whilst nature would go on without humans it would also take billions of years for another species like humanity to emerge,

        Earth will become unsuitable for life in about 1.2 billion years (give or take a few hundred million years) due to the increase of solar luminosity. There's just not enough time to start over before Earth is turned into a hot, dry rock.

        However, hominization takes place on a much shorter time scale (couple of ten million years), so another intelligent species could still arise. Who kn

        • Sometimes I wonder if some of the squids and / or deep sea octopi have there own "version" of intelligence, they just exist in a "too far away" and exotic world for us to really study. Dolphins too. Unfortunately, underwater creatures can't exactly discover fire like we did.
          • by Ihlosi ( 895663 )
            Sometimes I wonder if some of the squids and / or deep sea octopi have there own "version" of intelligence, they just exist in a "too far away" and exotic world for us to really study. Dolphins too.

            Possibly. They just can't progress further due to a few problems (most prominent one: no fire. Use of fire spurred a variety of developments in humans - more efficient use of food, additional social behavior, etc).

          • by dryeo ( 100693 )

            The thing with octopi and such is no family or culture to pass on knowledge. They lay eggs and leave them to develop on their own so every generation is starting from scratch.
            People have been successful due to being tribal, family orientated species that builds on the previous generations knowledge. Intelligence by itself isn't enough to develop technology which is what we mean when talking about intelligence.

            • The thing with octopi and such is no family or culture to pass on knowledge. They lay eggs and leave them to develop on their own so every generation is starting from scratch.
              People have been successful due to being tribal, family orientated species that builds on the previous generations knowledge. Intelligence by itself isn't enough to develop technology which is what we mean when talking about intelligence.

              Sure, but dolphins and whales live in family groups as well, it's not just our social abilities that made humans as successful as they are. Fire and agriculture were the two big paradigm shifts that made us what we are today.

              • by dryeo ( 100693 )

                There's a few things that have made us technologically successful hands, communication, culture and so on. Dolphins are missing hands or equivalent while octopi have useful tentacles. Find a video of an octopus opening a jar, it's interesting. Of course as the sibling pointed out, living under water is a huge disadvantage but octopi could evolve to leave the water. The Seattle aquarium was having a problem with crabs going missing in a tank, couldn't figure it out so they set up a camera. The octopus down t

          • by Kaenneth ( 82978 )

            Unfortunetly, I'm a reader, not a writer, but I've been thinking, in a sci-fi context, about a creature on a water planet that evolved tool making ability in a gas pocket inside their body.

            Imagine a whale-sized creature with a dozen prehensile tongues, breathing through it's nose, while building machine parts inside it's mouth.

            (now, add a Japanese schoolgirl...)

        • However, hominization takes place on a much shorter time scale (couple of ten million years), so another intelligent species could still arise. Who knows, maybe the rats will succeed where the apes failed.

          I personally witnessed a case of greatly accelerated hominization:

          Day 1: odd pink lump
          Day 2: lip smacking goober
          Month 1: squaller with hiccups
          Month 3: large cranium drooler
          Month 4: creepy crawler
          Month 9: bipedal menace
          Year 2: cute backtalking tyrant
          Year 5: regal household overlord
          Year 10: why why why machine
          Year 13: critter
          Year 17: varmit
          Year 18: best friend

          • Must have abeen a boy. My 14 year old daughter is in a stage that I can't understand. I guess it could be best described as "I'm an adult and do everything and know everything, but still need to be taken care of" stage. But my 7.5 and 9 year old boys in the "messy guns are everything" stage.
          • by Ihlosi ( 895663 )
            I personally witnessed a case of greatly accelerated hominization:

            Yes, once the design phase of millions of years is over, manufacturing can happen rapidly an in large numbers. ;)

        • Earth will become unsuitable for life in about 1.2 billion years (give or take a few hundred million years) due to the increase of solar luminosity.

          Tell that to a few hyperthermophiles. [wikipedia.org]

      • Re:Relevent (Score:5, Insightful)

        by l0n3s0m3phr34k ( 2613107 ) on Wednesday September 24, 2014 @05:51AM (#47981773)
        Evolution has no apex. Humans are no more evolved than any other creature. Evolution is a process, it has no "goal" other then it's an expression we smart apes use to describe semi-random chemical connections that "work" better in their environment than others. Sometimes the "evolutionary" changes are a "positive", yet even our intelligence comes at a huge metabolic cost in comparison to the bulk of lifeforms (ie enough electricity to light a light bulb). When the planetary environment changes rapidly, even on a local scale from volcanoes, certain members of species inside the extinction area might have some quirk that makes it run a bit faster to escape so it reproduces. That's it, there is no "upward" driving force in evolution. We could evolve to be more stupid like Idiocracy if it meant life spread further.
        • Humans are no more evolved than any other creature. Evolution is a process, it has no "goal" other then it's an expression we smart apes use to describe semi-random chemical connections that "work" better in their environment than others. Sometimes the "evolutionary" changes are a "positive", yet even our intelligence comes at a huge metabolic cost in comparison to the bulk of lifeforms (ie enough electricity to light a light bulb). When the planetary environment changes rapidly, even on a local scale from

  • Glad I'm not one.
  • by koan ( 80826 )

    Chernobyl went back to nature, it's beautiful there and animals are thriving with minimal defects.

    We haven't seen the worst of Fuki though...

    • Chernobyl is *mostly* safe but there are still, and will remain still, some residual effects.

      To be honest, the stupid war with russia is probably more dangerous to the folks of that region right now however.

      On the other hand fear of Chernobyl radiation may well be keeping soldiers out, making it paradoxically one of the safer areas in the region.

    • Re:BS (Score:5, Insightful)

      by l0n3s0m3phr34k ( 2613107 ) on Wednesday September 24, 2014 @07:15AM (#47982021)
      The second article refutes you. There is a die-off of soil bacteria, so the fallen trees, leaves, etc are not rotting properly. This is currently on-going, and we just don't know if the radiation poisoning will work it's way up the food chain either. Mineral content in the soil will start to drop, trees might start dieing and basically starving. Russia might need to bring in fresh, non-radiated dirt and hope it's microbes colonize the now-dead zones, if it's not still too irradiated for them. Small microbes, thin cell walls, doesn't take much radiation to really damage and kill them. The animals have already had mutant offspring a few years afterwards but healthy animals have moved back in. Hopefully the soil microbes will either move back in too or have a radiation-resistant mutation that allows them to grow there again.

      The oceans around Hawaii will probably be damaged too, and a huge swatch of Asia / Europe could be irradiated if the forests around Chernobyl burns all it's accumulating debris. I have no idea how much study has been done on plant growth rates in Japan after we nuked them; I doubt anyone there had the time or knew about soil die-off with all the other damage from the war.

      Sadly Chernobyl was due to human stupidity and lack of communication. The equipment only failed because the head engineer purposely pushed the reactor and didn't even bother telling his engineers working in said reactor. Japan plant was also plagued with low-quality construction in addition to being built in a bad location geographically. Safety measures that should have worked failed, the valve that is still leaking is in a very tight space under several feet of highly radiated water, so radiated their submersible drones keep dying.
      • by Creepy ( 93888 )

        Actually, had Fukushima had US standards, the backup generators would have been placed above flood levels and the disaster likely averted. Japan's ignorance of this known and acknowledged design flaw was largely their own fault, IMO. Chernobyl, as you said, was an intentional test that wasn't communicated properly. The other major non-test nuclear disaster, Three Mile Island, was caused by an equipment failure followed by misdiagnosis by engineers (a light indicated a valve was closed when it was in fact st

        • by spitzak ( 4019 )

          As for the oceans around Hawaii, they probably were damaged more by the 106 above ground nuclear bomb tests the US did at the Pacific Proving Grounds [wikipedia.org] - I doubt Fukushima and Chernobyl will ever do as much damage as those did, even if all of the reactors there had resulted in full meltdowns..

          Yea I was confused about his Hawaii statement, but I suspect this is actually what he was referring to.

        • by AmiMoJo ( 196126 ) *

          Actually Fukushima did plan for loss of the pumps and had alternative cooling in operation when the reactors melted. The problem was that water pumped in by external pumps (fire engines) never reached the reactors because of damage done during the earthquake.

  • Radiation == bad, got that. What I didn't see in the article is any mention of baseline data. What was the radiation level in the area before the reactors blew their tops? What naturally occurring radioactive material was in the leaves fed to the butterflies? How much radiation did that produce? What is the rate of naturally occurring mutations in the butterflies without the radioactive cesium in their diet?

    I've got even more questions about this study but they didn't seem concerned with actually colle

    • To get rid of the scary radioactive stuff we need more nuclear reactors, not fewer. We just need the right kind of reactors.

      I'm curious about what kind of nuclear reactors are in our naval fleet. They are obviously small and self contained, other than cooling. Would it be possible for that type of nuclear reactor to be used for anything besides a multimillion-dollar warship?

    • by AmiMoJo ( 196126 ) * on Wednesday September 24, 2014 @01:24AM (#47980851) Homepage Journal

      Go to the original paper, not TFA, and scroll to the bottom for a comment from the authors with links to complete data and longer discussion of the subject. Your concerns are all answered.

      http://www.nature.com/srep/201... [nature.com]

    • by fnj ( 64210 )

      Radiation == bad, got that.

      Are you absolutely sure about that? In what context? Do you doubt that background radiation is instrumental in mutations that lie behind evolution? Have you wondered what life forms would exist on earth if there were no evolution?

      For everything there is a level above which there is a danger or certain lethality, and below which it is often beneficial or even necessary. Too much [water, salt, potassium, calcium, ...] and you are a dead duck. Too little, and you are a dead duck. In

  • It's all fun and games, until one of those butterflies mutations end up like this [wikipedia.org]
  • And this is how Mothra got started (not really, but still, Mothra, Godzilla, radiation. See, it all links together...

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

  • I'm thinkin radioactive laser sharks

  • by MrKaos ( 858439 ) on Wednesday September 24, 2014 @12:56AM (#47980751) Journal

    This is what the consequences of radionuclides in the food chain looks like. The next step are the lizards and birds that eat these insects. It's not surprising that this is hard to understand, because it happens so slowly.

    We are seeing the slow consequence of releasing radionuclides into the environment, they are absorbed into metabolisms because they present as micronutrients that biota can utilise for growth and maintenance. Once ingested into the body they act in two ways.

    The first, as alpha, beta and gamma emitters they act directly on the surrounding tissues to gestate cancers in the body, a process that takes about 6 years in humans depending on how energetic the radio isotope is.

    The second is through genetic damage to the DNA. These damaged genes are passed down through generations and when certain combinations meet the result is transgenic disease.

    These cover the radioactive effects of the emitter, however there is also some elements that are highly toxic as well which introduces a third vector based on toxicity. For those people directly exposed who ingested radio-isotopes at 3/11 it will be roughly 2017 when the cancer rates start increasing, following that bio-accumulation inserts a random period of time and distributions of radioactive materials before they are absorbed causing a statistical increase of particular types of cancer deaths in humans.

    Over time we will no longer be talking about death rates but failed births and an overall reduction of the capacity for species, including humans, to reproduce. This will be coupled with a higher rate of mutations and abnormalities for successful reproductions. This will continue to occur for the halflife of the isotope multiplied by 20 daughter products before an isotope is benign. For sr90 with a half life of 600 years this means a 12000year decay cycle, for pu-239 it's a 500000 year decay cycle, from humanities perspective this is effectively permanent.

    If anyone wanted a plausible explanation for the Fermi Paradox I believe this is a candidate.

    • Re: (Score:3, Informative)

      by Anonymous Coward

      Sr-90 has a half-life of 28.8 years. Practically no Pu-239 got out (too heavy to volatilize). The bulk of the lasting radioactivity is from the Cs-137 (~30 years). And there's a large amount of the nonradioactive versions of the Sr and Cs competing for the same biology that there will never be any bioaccumulation of radioactivity (rare mushrooms not withstanding).

      • Re: (Score:2, Funny)

        by Anonymous Coward

        But... but... but.. radiation! We all know from those 50's atom bomb warning movies that radiation lasts for billions and billions of years!

        Please, panic more!

      • by Creepy ( 93888 )

        Sadly, leaking radioactive plutonium-239 would probably be better than leaking radioactive strontium or cesium due to the inverse relationship between half life and danger to tissue. Plutonium has a half life of around 24100 years, so you could probably have a brick of it in your bedroom and it would never be a health threat to you. Yeah, it isn't the 1.26 billion years of potassium or 14 billion years for thorium (which is in granite), but it still is a very long time.

    • by u38cg ( 607297 )
      Shit, it's like Darwin never existed.
  • What about ants? :P

  • Roachzilla!

  • by tp1024 ( 2409684 ) on Wednesday September 24, 2014 @04:03AM (#47981409)

    The word "outlier" is used only once in the whole study. It is in the section on mortality. [biomedcentral.com]

    Show this graph to anybody and let them point out which of the 6 data points is the "outlier". I highly doubt that they would pick the data point labeled "Motomiya".

  • Radiation? (Score:5, Insightful)

    by CrimsonAvenger ( 580665 ) on Wednesday September 24, 2014 @06:11AM (#47981803)

    Every time I see the word "radiation" used interchangeably with "radioactivity", I cringe.

    And then I start wondering what else they got wrong....

  • by amaurea ( 2900163 ) on Wednesday September 24, 2014 @07:11AM (#47981995) Homepage

    The direcly linked fukushima article is very low on numbers (do journalists think people are allergic to them or something?), but it links to the actual scientific article. There we find this plot of the mortality rate as a function of ingested radioactivity [biomedcentral.com] for the pale green butterfly larvae. The changes in mortality are large, from 20% to 80%. The trend is positive, but noisy. The significance of a positive trend is about 3 sigma.

    • The direcly linked fukushima article is very low on numbers (do journalists think people are allergic to them or something?), but it links to the actual scientific article.

      Sadly, yes, studies have shown that every time you include an equation, mathematics, or scary looking numbers in an article, you loose a percentage of the readers. Editors for popular articles (which Nature, desipte it's prestige as a science journal, is at heart) know this, and edit accordingly.

  • These are possibly both true.

    Chernobyl happened nearly 30 years ago, but it was 100+ times larger than Fukushima and released a lot more long-lived radionucleides.

    Fukushima's footprint is a lot smaller and will dissipate a lot more quickly.

    Both affected areas are small in comparison to their isolation zones. In general there are areas with much higher naturally occuring radiation/radioactivity levels than the isolation zones, many of which are inhabited.

    Even with these accidents (and all the other incidents

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