Most people feel they have a strong understanding of the senses. But they have not heard of the multitude of other senses that human beings have.
There is more to our senses than meets the eye. Given the way they guide us through the world, we live our lives mostly unaware of the hard work our senses are doing at some point during the day. They do their job, luckily, for many of us, every day, and when one is compromised, the others rally to lend a helping hand. A kind of teamwork. Here are some sensational facts about the five senses of all living things that everyone has heard of.
Have you ever wondered how birds fly south each fall and return north in the spring without tiny bird maps or bird GPS? Well, in a way, they have a kind of GPS for birds. Some birds have deposits of magnetite in their sinuses, which are actually affected by the Earth’s magnetic field, helping them navigate our planet and possibly aiding their migration. Humans have similar deposits of magnetite, and although they are largely useless to us now, scientists believe our ancestors may have relied on them for navigation, just as birds do today. This, by the way, has the incredible name of “magnetoception”.
Interesting things about our senses
Everyone loves dogs, right? They are loyal, compassionate and friendly. Hunters and police officers love dogs because a dog’s keen senses of smell and hearing come in really handy when tracking down game or sniffing out a crime. In fact, we may be so dependent on these experts that our own senses have atrophied: studies have shown that our own human brains—especially the parts that handle smell and hearing—started to shrink around the same time. around the time we began to domesticate dogs, almost as if our bodies outsourced these senses to our canine friends.
Heat is created by molecules accelerating. Even though a cold faucet and a hot faucet were turned to the same pressure, the cold water is only slightly more viscous than the hot water, so it moves more slowly. The difference is small – it happens at the molecular level – but the human ear is able to perceive the difference between hot and cold running water with almost 100% accuracy. Your body is even more amazing than you know!
Touch also feels different depending on the situation. Two sensory pathways process touch – one, the physical sensation, and the other, the social and emotional context. That’s why a hug from your grandmother might make you happy, while a hug from a stranger might make you sick. Some people with damage to these parts of the brain may have no emotional connection to physical sensations – pleasant or painful – at all.
The average human eye processes 24 million pieces of information in a lifetime and is capable of processing 36,000 pieces of information every hour. The eye may look small and simple, but it contains more than two million distinct working parts. The largest of these is the vitreous body, a gelatinous mass between the lens and the retina.
Sight and hearing tend to fade as we age, but so does our sense of touch. From the age of eighteen, our sense of touch weakens by about 1% each year.
Because the genes that affect color vision exist on the X chromosome, males are more likely to be color blind than females. Nearly 7 percent of American men suffer from some form of color blindness, while only a fraction of a percent of women suffer from the condition.
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2023-08-28 18:45:00
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