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راز این شنزار دایره ای زیر دریا چیست ؟
#1
[تصویر:  13486723791.jpg]




Stop me if you've heard this one before.
A 39-year-old man quits his office job to pursue his dream as an
underwater photographer. He spends the next 30-odd years living la vida
aqua, and then one day, he sees something quite remarkable: a circular
pattern in the sand beneath the waves, a veritable work of art with
valleys and ridges. But who or what could have made such a thing, so
intricate, so far from shore, so ... well, underwater?

PHOTOS: Sea Monsters Real and Imagined


The man, whose name is Yoji Ookata, shared the mystery marine art
with friends and colleagues from the Japanese broadcaster NHK. To their
shock, they found that it is the work, not of a UFO, not of a hitherto
undiscovered tribe of aquatic artisans, but a tiny puffer fish:


نقل قول: The unlikely artist – best known in Japan as a delicacy,
albeit a potentially poisonous one – even takes small shells, cracks
them, and lines the inner grooves of his sculpture as if decorating his
piece. Further observation revealed that this “mysterious circle” was
not just there to make the ocean floor look pretty. Attracted by the
grooves and ridges, female puffer fish would find their way along the
dark seabed to the male puffer fish where they would mate and lay eggs
in the center of the circle. In fact, the scientists observed that the
more ridges the circle contained, the more likely it was that the female
would mate with the male. The little sea shells weren’t just in vain
either. The observers believe that they serve as vital nutrients to the
eggs as they hatch, and to the newbornsI'll be honest. When this story first started bouncing around the
Twitterverse, I was skeptical: Nobody had ever seen this behavior or
these structures before? Where is the video? Who are the scientists? Is
there any kind of peer reviewed study being written? Was this a hoax? (I
wasn't the only one to be dubious; although, inevitably some folks' skepticism had more to do with the this-has-nothing-to-do-with-UFOs explanation.)

My brother, who lives in Japan, checked the links in the original post and assured me that none of them said "Ha, you've been Rick Rolled"
in Japanese. I checked with a couple of researchers, who responded with
the scientific equivalent of "WTF?" (in fact, one of them did actually
type, "WTF"). But I haven't seen or heard anyone blow it up yet.

And if it is true - well, it would be fantastic and wonderful and
impressive. But then the natural world frequently astonishes and amazes,
particularly when sex is involved. As Jerry Coyne notes
in his "Why Evolution Is Real" blog, "sexual selection is a marvelous
thing." It leads to behaviors like the singing of humpback whales,
physical attributes like the plumage of birds-of-paradise; and the
building of extraordinarily elaborate structures, like those constructed
by the bower birds of Australia and New Guinea - and, it seems, by tiny
fish off the coast of Japan.

Photograph by Yoji Ookata/NHK, via Spoon and Tamago
.
در مورد اظهار نظر آقایون در تاپیک دلخوری باید بگم:
آقایون: کم گوی و گزیده گوی چون در// تا ز اندک تو جهان شود پر!!!
هرچند ک کلام گوهر بار از زبان شما جاری نشده، نمیشود و نخواهد شد!!!
پاسخ
 سپاس شده توسط Hamid Jafary Pooya


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Smile رودخانه ای عجیب در زیر دریا! (عکس) mr.allahbeigi 3 484 04-04-2012، 07:32 PM
آخرین ارسال: farah*NAZ
  5 دایره افلاطون mahsa_m 0 353 24-02-2012، 08:03 PM
آخرین ارسال: mahsa_m

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