Human Body
Exploring "Why" questions about Human Body
481 articles
Why do things smell stronger when they get wet?
A - Because you reek of smoke all the time but have got used to it so you don't notice. And B - the water is evaporating taking the smell into the air with it, combined with the moisture in the air "t
Why does counting sheep help you go to sleep?
It is more a cliche about counting sheep being boring and tiring than actually being an effective sleep aid.
Why does Kim Jung Un wear a western suit?
They don't really see suits as "innately western," they also use architecture designs from the west and even the Android operating system (though heavily modified). Because it works fine. There's also
Why do your eyes get puffy after crying?
When you cry eye ocular muscles constrict and the salt in tears may cause fluid retention in the eye area. This is called ~~Pussy~~ Puffy eyes.
Why we need to become unconscious in order to sleep?
An important detail which most commenters are apparently unaware of: You are still conscious while sleeping. Sleep is considered to be a state of altered consciousness, not unconsciousness. This is be
Why does my voice sound different (and awful) when it’s recorded and I hear it replayed?
When you normally hear your own voice you are hearing two distinct things. First, you hear the normal sound waves coming through the air, into your ear just like everyone else. Second, you are hearing
Why do people think that blacking out their eyes in pictures protects their identity?
Eyes presumably show the most emotion / personality etc of any body part, so we're most likely to remember those, if we see them again. Also, who blacks out their own eyes..? It's usually done by othe
Why don’t you wake up sleepwalker?
A lot of people believe if you wake them up, they'll have a heart attack or something else horrible. These claims are overstated. A normal healthy person is very unlikely to have anything bad happen t
Why does medicine taken under the tongue enter the blood stream faster?
Under the tongue, there are a large number of blood vessels/capillaries. There, the drugs can enter your bloodstream without going through your digestive system.
Why doesn’t the military/police use full body, completely enclosed, bullet proof armor?
It's called a tank. They put wheels on it. It would be more expensive than you're worth.