Scientists from the University of Pennsylvania found that the shape of the nose in different human populations is the result of the influence of climatic conditions. Article researchers published in the journal PLOS Genetics.
Experts have analyzed the size and shape of the nose of people living in West Africa, South Asia and Northern Europe. They found that the difference in these indicators among the studied populations was too big to it could be explained by chance. In addition, wide nostrils were characteristic of those people whose ancestors lived in hot environments, with high content of water vapor in the air.
However, the researchers suggest that additional factors such as cultural preferences when choosing a partner, also played a role in the formation of the nose. In addition, the importance and genetic drift — a phenomenon in which randomly changes the frequency alleles one or more genes.
In the future scientists want to find out, does the shape of the nose and size of nasal cavity on the risk of infection by pathogens of respiratory infections when the person for a long time in conditions that differ from those in which their ancestors lived.
Scientists from Moscow state University created the first detailed maps of the spatial organization of the genome in mouse cells at early stages of embryo development. For this purpose they used they developed a new approach based on the method Hi-C, which is the fixation of the contacts between DNA sites.
Samsung, during a presentation in new York unveiled the new Galaxy S8 and S8 Plus. They got curved edges display with an aspect ratio of 18.5:9 and a resolution of 2560x1440 pixels. The older model screen size was 6.2 inches, and the younger is 5.8.
Microsoft revealed the release date of the new version of Windows 10 Creators Update. In the new OS, the developers made the main rate on the introduction of 3D technology. The OS will be a new version of Paint with the support of three-dimensional models. Created in Paint objects can be used in different programs, or to print.
In the USA the employee of the state Department is accused of making false statements to the FBI about interaction with a foreign intelligence agent. According to authorities, 60-year-old Candace Mary Claiborne who have access to classified information not reported on their contacts with Chinese intelligence, which gave her and her family members gifts and benefits.
Russians Vladimir Morozov and Evgenia Tarasova and take third place in the short program at the world figure skating Championships in Helsinki. The pair scored 79,37 points. The first place belongs to the representatives of China sui Wenjing and Han Cong, the assets of which 81.23 points.
"Barcelona" will offer Argentine striker Lionel Messi a contract under which he will receive 35 million euros per season. According to Spanish publication Marca, both parties are interested in the extension of the agreement, the validity of which ends in the summer of 2018.