Human Body
Exploring "Why" questions about Human Body
481 articles
Why does audio sound deeper when slowed down, and higher pitched when sped up.
When audio is slowed down, you're stretching out the sound, effectively making the wavelength longer with a lower frequency. Speeding it up is squishing it, making wavelength shorter with a higher fre
Why in a room with 24 people do two people probably share the same birthday?
First off there is 1 in 365 chance that two people share a birthday. That means there is a 364 in 365 chance they do not share a birthday. If you have a third man then the chance of him also having a
Why do dogs use their back foot to scratch their ear instead of their front foot?
Several reasons: Torque. Back legs on quadrupedal animals like dogs are very strong, as they're used to push off during a sprint. The back leg can scratch harder than front legs.
Why are there so many sub genres of music that are never heard of or talked about?
Everything ever has way more depth than you would expect. There's enthusiasts for everything that can talk for hours about a small aspect that you never gave a second thought to. Like favorite text ed
Why are children more likely to fall off the bed while in deep sleep than adults?
When you sleep your brain turns off your motor-cortex (the thing that controls your limbs) so that you are basically paralyzed. This is also the reason you sometimes feel like you are falling when you
Why “crazy people” have that distinctive look to their eyes
In many psychotic individuals, the wide eyed look is because of their intense anxiety levels. It's more than just the eyes though. In someone psychotically agitated, you'll see facial grimacing and bo
Why is it so easy to fall asleep in upright position in a brightly lit lecture hall?
Going because you have to as opposed to wanting to / Hungover / Sleep deprived / Droning voice going on and on and on / Uninteresting subject pick and choose out of any of those. It's possible to slee
Why can’t you remember when you were a baby?
If you don't have storage space, where do you put stuff? The neural structures that store memories and things literally don't exist in a newborn's head. They've got no storage space.
Why do children’s stomachs look bloated when they are malnourished?
It's called kwashiorkor, and is caused by a protein deficiency. In normal conditions, we have proteins floating around in the blood, which causes fluid to be retained due to osmotic forces. However, t
why do pro gamers retire in their early 20’s? Do your reflexes really drop so significantly that early in life?
It's more social pressures, really. There are some relatively old eSports players still at the top of their games. Polt is 28, Taz is 30.