Facts about the smell

Let's talk about the smells and learn what people are breathing.

1. Male butterflies Astias selene feels the smell of the female for 11 kilometers.




2. The dog nose 230 million olfactory cells, and we have - 10 - 11, that is twenty times less.



3. However, the dog can not find something that does not smell. The Czechs, who, until recently, the only manufacturer of explosives was not added to her odorous substances, greatly complicates the international community to fight terrorism.



4. trained dogs for apples more difficult than for drugs. Dogs, coached for fruit, working in the US airports, where the passage of small lots of fruits and vegetables is prohibited not to import them pests.



5. Animals can not distinguish between and respond to only one right person smell. This occurs in part because the olfactory cells are completely changed in the last month. If dogs could distinguish only one smell, one could produce, for example, odorous dollars that would eliminate the problem of currency smuggling



6. The people most favorite are the smells of fresh bread, freshly cut grass and coffee. Scents rolls and coffee, not only stimulate the appetite, but also increase the desire to buy. So often in large stores smell of coffee and fresh pastries.



7. Many animals have favorite smells. In dogs, for example, is the smell of anise, a cat - mint and valerian, lions love good spirits. But camel attracted to the smell of tobacco smoke.



8. French perfume data bank has in its catalog of over 8,000 titles. Modern perfume may consist of 300 different components. To create a perfume used by more than 6,000 different types of raw materials.



9. Citizen living in the midst of the noisy civilization, does not feel up to 70% of the city smells. African living in the wild, able to catch the scent of his friend, the forest path past a few hours ago.



10. It is known that body odor distinguishes one from another in the olfactory bulb. The fish with their fantastic sense of smell is a huge bulb and the brain - a pimple. The man - on the contrary. What for? It turned out that the person - and only he - is engaged in the processing of information not only to the bulb, and brain. Scientists now believe that once our brains began to grow, and that is why he started to serve the sense of smell. And then I got stronger, took on other functions and became what became.



Source: vsegda-tvoj.livejournal.com