Adiyogi Shiva

Adiyogi Shiva


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Eye color and Tyndall Effect

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According to wiki:"Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye iris and the frequency-dependence of the scattering light by the turbid medium in the stroma of the iris." Eye color often is the genetic trait that fascinates parents the most as a child develops. Will the child's eyes be black, brown, blue, gray, green, hazel or some combination of colors?  Human eye color originates with three genes, two of which are well understood. These genes account for the most common colors — green, brown, and blue. Other colors, such as gray, hazel and multiple combinations are not fully understood or explainable at this time. The pigmentation of the iris depends on the concentration of melanin in the iris pigment epithelium(located on the back of the iris), the melanin content within the iris stroma (located at the front of the iris), and the cellular density of the stroma.The appearance of blue and green, a...
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Real life spiderman webs!!

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Spider webs are already strong enough to restrain small insects unlucky enough to fly into them, and soon, they may be capable of carrying the weight of a person. In a new study published in 2D Materials , Nicola Pugno at the University of Trento in Italy and his team detail how they cranked arachnids' already impressive metabolic process up to 11 by adding graphene and carbon nanotubes to a spider's drinking water. Afterward, the spider produced silk as it normally would, but the silk was five times stronger, putting it on par with the likes of pure carbon fibres and Kevlar - the strongest materials on Earth. "We already know that there are biominerals present in the protein matrices and hard tissues of insects, which gives them high strength and hardness in their jaws, mandibles, and teeth, for example," Pugno told The Sydney Morning Herald . "So our study looked at whether spider silk's properties could be 'enhanced' by artificiall...
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A new bioglue that could seal wounds in 60 seconds

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Scientists have developed an elastic, adhesive surgical glue that could transform emergency treatments by sealing up critical wounds in the skin or the organs, without the need for staples or sutures.The gel is based on methacryloyl-substituted tropoelastin (MeTro for short), a hybrid elastic protein, and can be squirted onto internal and external wounds to seal them up and encourage healing.According to the international team of researchers behind the glue, it could quite literally be a lifesaver, sealing up wounds in 60 seconds without stopping the natural expanding and relaxing of the organ or the skin it's applied to.To be clear, for now the trials are limited to animal models. But human trials are in the works, and the results to date are incredibly promising. "The beauty of the MeTro formulation is that, as soon as it comes in contact with tissue surfaces, it solidifies into a gel-like phase without running away," says one of the team, Nasim Anna...
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