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Thread: Biologija

  1. #226
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    Mi nemamo tih problema. Jer nemamo farmera.
    Zao mi je samo sto ce propasti ovi dileri sto truju glodare.
    Zanimljiv clanak.

    Doprinos temi, malo ko ce ravnodusan ostati.

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  3. #227
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    Ljudi ovdje olako uzimaju te pojmove.U pitanju su otrovi koji su po prirodi stvari - nervni otrovi.
    Ne razmišljaju da tako nešto kad postave dostupno je onda i ljubimcima i čak djeci.

    Pri tom ja sam protivnica nervnih otrova i u slučaju "štetočina" jer to su živa bića.Nervni otrov je takav da neko biće umire u najgorim mukama.
    U ovom slučaju korišćenje frekvencija prirodnog neprijatelja dođe kao kakva "pasoška kontrola".
    No pasaran!

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  5. #228
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    Nevjerovatno kako su odradili dokumentarac u ravni sa umjetnošću.

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  6. #229
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    52 - Blue

    1989. godine tim iz okeanografske institucije Woods Hole čuo je posebno neobičan zov kita, za razliku od bilo čega što se čulo prije ili poslije.
    Prihvaćen senzorima širom Tihog okeana, poziv kitova je stigao na 52 herca, daleko više od bilo koje vrste kitova za koju se zna da prati svoj obrazac migracije. Njegovo kretanje ima sličnosti sa kretanjem plavih kitova, ali plavi kitovi imaju frekvencijski opseg od 10 do 39 Hz, sa dominantnim frekvencijama od 16 do 28 Hz, prema programu istraživanja bioakustike na Univerzitetu Cornell.



    Dokumentarni film The Loneliest Whale: The Search for 52 iz (2021.) Joshue Zeman za neuhvatljivim 52 - Blue uz potencijalno dobar završetak priče o "usamljenom" stvorenju.

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  7. #230
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    No pasaran!

  8. #231
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    When a whale dies, the story has just begun..

    https://vimeo.com/29987934/description
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  9. #232
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    https://hms.harvard.edu/news/scienti...enable-hearing
    Harvard:
    For this reason, effective hearing loss treatments for humans have eluded medicine, and the loss of hair cells, which can be caused by aging, noise exposure, and other factors, renders an individual’s hearing loss permanent.*...
    Now, Harvard Medical School scientists at Mass Eye and Ear are hopeful they’ve developed a solution to address this longstanding limitation...
    A research team led by Zheng-Yi Chen, an HMS associate professor of otolaryngology and associate scientist in the Eaton-Peabody Laboratories at Mass Eye and Ear, reported creating a drug-like cocktail of different molecules that successfully regenerated hair cells in a mouse model by reprogramming a series of genetic pathways within the inner ear...
    https://news.virginia.edu/content/uv...-hearing-cells
    University of Virginia:
    UVA medical researchers have discovered that auditory “hair” cells damaged by loud noises and other stressors can repair themselves, a fact that could lead to new treatments...
    The hair cells deploy a protein called XIRP2, which can sense damage to the cores that are made of a substance called actin. Shin and his team found that XIRP2 first senses damage, then migrates to the damage site and repairs the cores by filling in new actin...
    Bio je, ima na YouTube video jeste li gluvi tj ogluvljali s godinama, na telefonu, zvučniku telefona uši su mi 49 godina stare, na slušalicama 47, ima li to veze s mozgom znaće neko što sve zna

    Meni je zanimljivije kako se ljudi u komentarima hvale svojim sluhom ili svojim poznavanjem tehnologije. Danas svako sve zna, nekad je fora bila Znam da ništa ne znam



    Sent from my Redmi 6 using Tapatalk
    If there's two things that I hate-
    It's havin' to cook, and tryin' to date...​

  10. #233
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    Ljudi imaju opsjeg čuJanja frekvencija koji je limitiran tako im je i sa čulom mirisa ka i sva druga bića na planeti.

    Ali si izumili uređaje da registruju recimo kita blue 52 Hertz tako što su ameri lovili ruske podmornice.A ovaj nesretni kit sa frekvencijom 52 Hz (blue whale) je bio usamljen baš ali baš zato što se kitovi prepoznaju po frekvencijama i drugari ga nisu mogli uočiti odnosno čuti.

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  11. #234
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  12. #235
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    No pasaran!

  13. #236
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    Evo nešto manje poznato.



    Poslano sa mog CPH2135 koristeći Tapatalk
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  14. #237
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    Poslano sa mog CPH2135 koristeći Tapatalk
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  15. #238
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  16. #239
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    Jedan lijep dokumentarac iz Srbije.



    Poslano sa mog CPH2135 koristeći Tapatalk
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  17. #240
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