Biotechnology interlink supply was a breakthrough that will give hope to thousands of children are

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Turn the tortoise and it again after some time on their feet. Now two scientists have figured out how these turtles converted - a used armored reasonable shape and the legs and neck move combination. As discovered by Franz Kafka's work "Metamorphosis" hero Gregor, lying on his back while cockroach forms can mean serious trouble. And cockroaches, and turtles can get caught on quite a roll-over round the back and idly dangle your feet pointing to heaven.
Turtles, such accidents can not only be random: turtles fighting for territory, they try to flip each other. Budapest University of Technology and Economics (Hungary) scientist Gábor Domokos, in cooperation interlink supply with Princeton University (USA) scientist Péter Várkonyi mathematically assess the real animals to determine whether their body shape is good enough that they desperately jam. It would seem that the ideal animal is one that has a shell generally unable jam - one that repentance itself to the normal position under gravity, like a rolling baby toy that never falls, writes nature.com. G.Domokos and PVárkonyi ideal examined armored forms overturning mechanics and found that in theory such bodies turning armor itself can exist.
This would be a golden dome with a cross section resembling the one hand, a little suplokštėjusį semi-circle. Some of the tortoise-shell like Geochelone elegans, are very similar to the theoretical ideal form. While they may still be stuck on minor imperfections armored shape, they only need to slightly pamakaluoti feet and they stood up again as needed. Scientists such armor, which is stable at rest in only one orientation, and calls monostatiniais the armor group noted S1. Thus, high armor is useful to turn over on a minimum amount of effort, but also they are quite good protection from predators interlink supply mouth. But whether it can be the best armor in the form of all turtles? After all, no one turtle species do not perfectly monostatiškų armor, and according to scientists, and is probably due to the high armor has its drawbacks: for example, turtles with such coatings can flip stronger gust of wind. In addition, according to scientists, really monostatiškai form of gain to be quite precise debugging. Flatter tortoiseshell also has its advantages: for example, they may be more comfortable sailing or using them as a consolidation of mining pits. Sideneck Pancake tortoises and tortoise-shell has two stable interlink supply resting states (S2): spin up and spin down. With such flat armor back on its feet it is much more difficult and requires significant efforts. Such turtle necks are usually pretty long, they are used as a reference point for spiriantis interlink supply feet. The longer the neck, the animal is easier to convert - much less effort required and using a longer lever. Between these two extremes flatness and curvature is the average curvature armor - like turtles Terrapene tribe. It is interesting that such armor has three stable positions (S3) on the back, on the stomach and on the side. S3 class turtles to convert to the abdomen using a combination of the two conversion strategies: first, moving the head or feet full swing, that pasiverstų on the side, and then the feet and neck atsistumdami parsiverčia on the stomach. This work is really interested in turtles interlink supply raising them, but that is hardly a scientific work on turtles vartymąsi can offer new ideas for robotics developers on how to develop self-atsistojantį robot - engineers already have established a multitude of simple interlink supply ways to return that fell into the movement of the robot proper interlink supply position. "It is enough to add ballast to the bottom", - admitted PVárkonyi.
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Biotechnology interlink supply was a breakthrough that will give hope to thousands of children are unable to start the men Scientists first to grow human sperm, she writes discovery.com.
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