Human Body
Exploring "Why" questions about Human Body
481 articles
Why do we feel the weird banging in our body when listening to loud live music
Sound is pressure waves moving through the air that vibrate your eardrums. Your ribcage doesn't have much that is solid behind it to stop it vibrating to large, low frquency pressure waves.
Why do dogs, with their amazing sense of smell, choose butts, old socks, and urine to smell?
It's not just a unique smell or marking territory. Specifically for butts, in other dogs there is a little gland there right near the anus that secretes the unique odors they use to identify each othe
Why can i vividly remember something from 10 years ago but cant remember what I ate a week ago?
Our brain has two places where memories are stored - one is temporary and another is permanent. So everyday things like the food you eat, dress you wear,etc. are stored in the temporary compartment.
Why are some things invented (touchscreens for example, 40 years ago) but it takes so long for consumers to accept them? Price?
Well the touch screen is kind of a bad example here. While it was invented in the 70s, there was nothing for it to be controlled with. Computers were mostly text based until 1992 when windows 3.1 was
Why do we still take test and learn the same as how people did in the whole of history when technology has advanced so far?
Learning has advanced a great deal since formal education began. There are some things that have become redundant, and some things may seem useless. For instance, why bother learning that there are 4
Why Bing is so poor compared to Google search engine and showing no sign of catching up or improving
Bing is actually excellent at certain things. But my interest in it is usually short-lived.
Why are objects in the mirror closer than they appear?
Because the mirror is convex, it collects light from a larger field of view than a flat mirror would. This is good at letting you see more road, at the expense of depth perception.
Why people don’t have any memories from the first 2 or so years of their life?
the brain doesn't actually develop the capacity to store long term memories till several years after birth. The brain goes through a lot of stages in life, becoming more complex and more structured, t
why isn’t there more footage on the Internet of US soldiers in close combat (e.g. clearing buildings) situations?
When you are in close combat, you are at immediate risk of being killed. You have better things to do then screw around with a camera. Now that cameras are very very small and wearable, and have longe
Why does folding a piece of paper both ways help to tear a straight line?
Folding paper weakens the bonds at the fold. The outer bonds are stretched more, so folding both ways weakens both sides at the crease. When you tear, the rip follows the path with the weakest structu