General Knowledge
Exploring "Why" questions about General Knowledge
481 articles
Why do nipples go hard when they are hit?
It's easier for newborn to latch onto a stiff nipple than a flaccid soft one. It's theorized thats why they stiffen upon contact. The other reason is cold.
Why were pants mainly for men and skirts for women back in the olden days?
Victorian hoop skirts were intended to hide the woman's shape for modesty. Over time, the hoops went away and the hem line went up, so that now skirts serve the opposite purpose - to display the woman
Why are news headlines in the present tense and not past?
It's all about conveying the sense of immediacy and urgency. When you read a headline it conveys the feeling that this is fresh news.
Why do movies use a green background to film with CGI and not other colors?
Green is generally the farthest colour from human skin tone, being the opposite of red, so when it comes to removing it you avoid issues with holes in the person. Also modern digital cameras devote tw
Why are all drugs “bad”? Why can’t there be a drug that gives intense pleasure/euphoria (heroine, coke etc) but has 0 adverse effects?
Drugs create highs by manipulating chemicals our bodies produce normally. Frequent drug use can change the way our bodies produce and utilize these chemicals, causing our bodies to produce too much or
Why does everyone have to die?
There's a timer in the cells that make up your body called [the Hayflick Limit](_URL_0_). They can only repair and replicate themselves a set number of times. After that they begin to break down, and
Why do plastic bags make so much noise?
Well as far as i know, its because the polymers are stretched and crystalized to make the bag cheap and sturdy. This makes it more resistant to physical manipulation and when you overcome the resistan
Why are people allowed to be racist towards their own race?
Most people are not self-hating, so when you say something about your own race, it's much more likely to be construed either as a joke, or as a constructive criticism. Saying something about another r
Why do humans think other sentient beings would use radio signals to communicate with other intelligent life?
Most of scientists who are looking for other species, accept that other species might use other methods of communication but since WE don't have access to those methods, radio is our best option. The
Why do neon signs have a buzzing noise to them?
I think the most likely culprit is the transformer for the neon sign. The transformer takes the 120V or 240V 60Hz from the outlet and steps it up to several kV. The way it works is by running current