According to the data, dogs have a lot of wrinkles in their nasal cavities, but more than humans, with four times the area spread over humans. And the number of smell cells on the wrinkles has thrown humans several blocks, hundreds of millions, 40-100 times more. The sense of smell varies from dog to dog, but the overall sense of smell is 1,000,000 times more sensitive than humans.
Isn't that amazing? Dogs smell so much better than humans, that animals like dogs can be good helpers to humans in a variety of difficult jobs such as search and rescue, drug control, surveillance, etc.
In recent days, it has been reported that a German sniffer dog has helped humans to smell Euro250,000 in cash.
From the end of June to early July, the nine-year-old shepherd, Aki, found 12 passengers in excess of cash, with a total value of Euro247,000, known as the "goose". The dog smelled nearly Euro52,000 from one passenger ' s bag and found other cash in other passengers ' handbags and jackets.
Such a dedicated dog is certainly praised by the customs authorities, and Isabel Gillmann, a female spokesman at the Customs Office at Frankfurt Airport, has stated: “Achi has a sharp nose to assist customs officials in combating tax evasion, money-laundering and international terrorism”.
According to the EU law in force since 2007, if passengers are carrying 10,000 euros or more of cash to and from EU countries, they must be declared to Customs. These provisions primarily help investigators to detect any illegal activities involving large amounts of cash, such as drug trafficking or money-laundering.
Of course, the 12 passengers who were told the money were certainly unhappy, and they would face a fine.
Dogs can smell not only cancer, but also female physiology. Period
Scientific research shows that when we have cancer, chemical reactions change in the body and create a volatile organic compound (VOC), which can be detected by a strong and sensitive sense of smell. Dogs can detect lung cancer through the owner ' s breathing, as well as bladder or prostate cancer from the owner ' s urine.
Dogs can smell the physiology of girls because of the hormones they produce during the physiology. This hormone is very attractive to dogs, so the master may find that the dogs become more sticky when they come.
In addition to these, sniffing dogs can be used to detect new coronary viruses, and researchers at Hanover Veterinary University found in July that dogs seemed to be able to detect people with former Covid-19s, indicating that they could find pre-infectioners with their original, unsymptomatic symptoms, which could help with the epidemic.