Human Body
Exploring "Why" questions about Human Body
481 articles
Why were people shown as having pure white skin in ancient asian portraits?
Pale skin was in China, as in Europe at one time, a symbol of the upper class--you cannot avoid being tanned if you perform outdoor labor. It's long been represented in art, dolls and make-up fashions
Why does it feel normal to sit back down in your chair, but if you sit in someone else’s it feels warm? Why can’t we feel our own butt warms?
When you sit in a chair it will change to the temperature of your body. So you wouldn't know the difference because the temperatures would get to the same degree as you currently are. Other people's b
Why is it that we have no sense of smell in dreams?
As opposed to sight and sound, smell is not stored in the brain in the same way. Close your eyes and you can imagine what your mom looks like. Start thinking about your favorite song and you can hear
Why the US prefers NASCAR to Formula One
NASCAR drivers work insanely hard to appear like "one of the guys" to their fans. In reality, they kind of are. Most drivers work their way up from driving go-karts on local tracks (again, full of NAS
Why does pain linger?
He aching or lingering pain after an injury is due to inflammation from the damaged tissue. This gets picked up by c-fibers which only detects the aching or burning pain sensation. Source: Dental stud
Why do I get irritable when I’m hungry?
Because the animal inside you activates and you engage in "Predator" mode, doing everything in order to secure food and guarantee the survival of your species.
Why are models usually stoic? Won’t we find a smiling person more engaging, therefor attracting us more to the product?
If the model is physically beautiful but the shot is moody, serious, and appears aloof and unrelateable to the viewer it creates a kind of mystique and unattainable vibe (cold, aka "cool"), which give
Why do militaries paint missiles? Aren’t they just going to explode and get destroyed anyway?
Missiles spend most of their operational lifetime not exploding. The paint is for those times.
Why is the ocean water so clear in places like the Caribbean but not at US beaches?
Tropical waters like those in the Caribbean are warm, clear, and completely devoid of nutrients. This is why life clusters around reefs, a lot of creatures eat the plankton and algae that grows on the
Why is it that when you drink cranberry juice it creates a sort of texture in your mouth, but other juices do not?
Some drinks/foods (namely cranberry juice and red wine) have something inside them called Tannins. Tannins bind with the proteins in your saliva on your tongue and cheeks, changing (temporarily and ve