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n U professor at the University of Oxford has created a formula that assesses the risks that a marriage ends in divorce. The fomula predicts a 94% confidence the probabilities of occurrence of a divorce.

E l study involved the recording of conversations of about 700 newly married couples subjected to various questions on controversial issues such as money, sex and political family. Professionals scored positively responses relaxed atmosphere and sense of humor . By contrast, negative values \u200b\u200bare those in which showed signs of anger or contempt. The result of these scores is to identify the different types of couples and thus predict the chances of survival of a marriage to a possible crisis.

To test the model followed for weddings, at intervals of one or two years for a total of twelve. After this, the mathematical confirmed the "amazing accuracy" of the prediction model.

Source: 20 minutes

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Divorce Math Find the oldest fossil of a fish mandubulado

E l specimen was discovered in a reservoir in the province of Yunnan, China, and has proved the oldest of all jawed fish are kept whole : dating 419 million years old (upper Silurian). The fossil retains all its parts except the tail fin , as published in the scientific journal Nature .

ue F named Guiyu oneiros (secret dream) or "Guiyu" that has just surpassed the previous copy of the oldest complete bony fish, Dialipina salgueiroensis which is eight million years younger.

E l Fossil, with their anatomy has been virtually untouched placed shortly after the beginning of a major evolutionary divergence : the separation between Actinopterygii and sarcopterigios, which has been dated as roughly contemporaneous with the fish, ie not later than 419 million years ago. So "Guiyu" is listed as a basal lobe-finned.

A ctinopterigios and sarcopterigios are the two classes that comprise the bony fish, which in turn belong to the jawed fishes. This difference was crucial in the evolutionary history because of bony fishes has emerged for 98% of live vertebrate . Will the sarcopterigios which give rise to tetrapods that made their fins into legs and jumped to the ground to give way to all mammals.

C omo sarcopterygians basal shares features with other sarcopterigios and the Actinopterygii has a mosaic of features of different jawed fishes belonging to the bone.

Source: World

Image: Brian Choo, Museum Victoria

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S i have a version of Google Maps on the body human, this would be very similar to Visible Body. In an anatomical visualization tool where you can explore the structures anatomy of the human body, based on an online 3D modeling using ActiveX. You also have virtual dissections and explanatory videos.

F unction with a 3D interface that requires Flash and a specific plugin that only works in Internet Explorer, which is quite limiting use of the tool. In addition, only available in English language. Besides this, it is a free tool that only requires registration.

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Visible Body Giant Snake Fossil Found

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u name e: Titanoboa cerrejonensis . The size of the vertebrae suggests that going on around 1,140 kilograms measuring 13 meters long and about one meter high. Was classified within the group of non-venomous boa constrictors. Lived more or less 60 million years .

E l fossil was found in the Cerrejon coal mine in northern Colombia. and researchers focused on how it could have been the environment the snake when she was alive. There is a correlation between temperature and size of cold-blooded creatures. Thus, with increasing global temperature increases the maximum size of these creatures. By calculations, concluded that a snake the size of T. cerrejonensis would require an average annual temperature of 30 to 34 º C to survive.

you L tropical ecosystems of South America were strikingly different 60 million years ago. The land was a jungle, even warmer than today, and reptiles that lived were much larger. As a result, among other things, there existed the largest snakes of which there is knowledge.

Source: SSN
Photo: Jason Bourque, University of Florida.