Nose has different meanings in different cultures. In Hindu culture, a big nose is regarded as a virtue, a symbol of female beauty and a reflection of soul and personality. On the contrary, in some African countries, a big nose is regarded as a symbol of ugliness and misfortune. In western culture, a slender straight nose is considered as an elegant feature, and the noses of many celebrities have become classic images in popular culture, such as Marilyn Monroe and mia farrow. Therefore, the aesthetic concepts and traditions of different cultures have different evaluations of the nose.
In recent years, with the continuous development of science and technology, the appearance of high-tech nose has brought great changes to life. Through the exploration of genetic engineering, biotechnology and other fields, scientists can create artificial noses that can smell all kinds of complex smells. Artificial nose can be used in many fields, such as medical treatment and environmental protection. In the medical field, artificial nose can be used to assist the diagnosis of diseases, such as detecting cancer and pneumonia. In the field of environmental protection, artificial nose can also be used to monitor the content of air pollutants in the atmosphere and the smell in water, thus playing an early warning and protecting the environment.