Human Body
Exploring "Why" questions about Human Body
481 articles
Why is it harder and harder to get a full night sleep the older you get?
The cumulative effect of a life-time of alcohol, stimulants, sedentary life-style, overeating, rumination, rejection, heart break, loss, regret, humilation, meaninglessness, sadness, rage and the cree
Why can I control an erect penis with my muscles and not a flaccid one?
You're actually controlling muscles at the base. You can control it flaccid, it's just nit as noticeable because the lack of rigidity.
Why does streaming from sites like Youtube or Twitch seem to hit my bandwidth harder than playing online video games in real time?
The game is rendered on your computer so it only needs to stream the information about events and player actions. A video stream needs to stream constant video and audio which takes up more space.
Why babies/toddlers are more susceptible to ear infections?
It might have something to do with the Eustachian Tube. In children under the age of seven it is shorter and in a more horizontal position than adults. Because of this, mucus might not drain from it a
Why does the combination of a fedora/trilby, graphic tee, and shorts make my skin crawl?
You've probably gotten such a negative/weird view of these people from Reddit so when you finally saw one you had a pre-determined opinion.
Why do people in war movies always not seem to notice their excessive sweating
Well I'd imagine there are greater worries than how much you are sweating such as surviving. And since many of these movies take place in hot climates they just got used to sweating heavily all the ti
Why can English speakers efficiently communicate with most other English speakers (regardless of dialect) but a lot of Mandarin speakers can’t communicate likewise between the various dialects of M…
There aren't many dialects of english. But get a creole and a cockney to have a conversation and I'll owe you a beer
Why do need to be taught to lift with our legs and not our back? Is lifting with our back a learned behaviour that we need to unlearn?
Upright standing is a very recent condition for humans on an evolutionary timescale. Our spine isn't that much different from our primate ancestors, who had horizontal backs, and therefore adapted to
Why Muhammad is such a popular Muslim name, Even though Its the name of their Prophet (I’m 5 years old)
Muslims have great admiration for all the prophets, so they name their children after them Muhammad is the most common, but there are a lot more Ibrahim (Abraham) is very common Musa (Moses) is also c
Why does the human eye have to focus on certain things at once and blur out the surroudings?
The cells in your eye that are capable of clear vision are concentrated in a circle about one *millimeter* across. Most of your eye just can't see things sharply.