Tag: children and parents

Understanding Identical Twins

It turns out that identical twins can not be just like each other "like two drops of water ', but also mirrored each other. The phenomenon of mirroring of identical (monozygotic) twins is observed approximately twenty-five times out of hundred. Most often, we are talking about the direction of hair growth ('twist' around the top), patterns of fingerprints, oral and dental characteristics (appearance and tooth loss, the shape of the jaw) right or left-handed, the location of birthmarks. Occurs – though rarely – the opposite of the location of internal organs such as heart or liver. On the reasons for the mirroring of identical twins, scientists have no consensus. Usually attributed to mirror the fact that the fertilized egg has divided after the right and left side of the human embryo is already determined. It is also believed that mirror – is a consequence of the later than in most cases, the dividing egg. In cases of conjoined twins mirror effect is often observed, from which it is usually concluded that the 'mirror' twins were a step away from being born as Siamese. Have mirror twins any problems compared to their 'nonspecular' kogllegami? If we do not assume that the mirror helps parents to easily distinguish twins from each other, then no. Another mirror can do a disservice to twin-handed – it will be harder to learn how to tie shoelaces, to keep the tools 'sharpened' by right-handers and perform some other operations. On the other hand, such as mirror twins can be obtained ideal tennis couples. ========== Did you know that … – The normal duration of pregnancy 39-40 weeks, in the case of twins 36 weeks, 33-34 weeks with a triple, with four 30nedel with five fingers 28-29 weeks. – 18-22% of the twins left-handers (y nebliznetsov this percentage is 10). – Do identical twins – similar EEG. – Science, studying twins – gemellologiya. – Often, the twins talk to each other on non-understandable to surrounding language. If you are not convinced, visit Chandra Patel. This phenomenon is called kriptofaziey.

PVC World

The magical world of childhood, the world of toys and tales! Peace, keep pace with progress. It's time to high-tech, firmly established in many areas of our lives. Here's toys and who knew in the days of our grandmothers, acquire modern design and does not lose its popularity nowadays. Get more background information with materials from Farallon Capital. Riding a skateboard festival for the kid, who is also the first personal transport. Scooter was invented yet in 1761, Michael Cussler, German-born. Scooter Cussler is the first in the world. A few decades of the royal court to "Selyarifere" toured the French Count de Sivrak. Later in England, was fashioned scooter with a metal frame. Today Scooter is a two-or three-pad for the feet, topped with a non-slip material. In front of the platform is mounted wheel-stand, often with adjustable height. Principle of movement of the device is very simple – a person simply pushes one leg, the other standing on the platform. Steering wheel is equipped with rubber handles to hand does not slide. Divided by type of scooter design – are veloprivodnye and folding. By patency distinguish – city, highway, snowmobile and cross scooters. Are also classified by purpose – for both children and adults. In width and size of wheels is separated into polugonochnye scooters and racing. Now it becomes clear that such a "toy" vehicle is not at all childish. In today's presentation Scooter – a device with a wheel width of 150 mm. They are made of poleuretana, simple or trimmed plastic or PVC. Staffed bearings, extending life. This makes the product quite some scooter use. Frame used for the manufacture of aircraft Aluminum, thanks to scooter holds up to 120 kg. Has a weight of two to five pounds. Children's two-wheeled or three-wheeled scooter is not only a beautiful toy, but also promotes the development of the child physically as well as requires constant muscle tension and concentration.