Score
Title
331
How To Search ELI5: A Quick Reminder About Rule 7
4679
ELI5: How come spent nuclear fuel is constantly being cooled for about 2 decades? Why can't we just use the spent fuel to boil water to spin turbines?
11691
ELI5:How does the human ear discern between a quiet noise and a distant noise?
7
ELI5: Why aren't aspect ratios expressed in simplest form?
15765
ELI5: How do smelling salts wake you up after you’ve been unconscious?
1
ELI5: why do we know so little about blue whales?
1
ELI5: Why are "prior bad acts" not allowed in the criminal cases?
4
ELI5: How do cellphones know what signal from what network to listen to? What is different about different networks' cell towers that a phone can decipher which one to listen to?
14
ELI5: how can electrons just be ok on their own and fly around?
3
ELI5: How exactly could a boat be driven ashore by ice?
2
ELI5: Why do we jerk forward when we sneeze? If we're expelling mass forward, shouldn't the jerk be in the opposite direction?
20
ELI5: Object oriented vs. Functional programming
0
ELI5: Why is it when a woman gets an epidural, there's a chance she'll always have some sort of pain that can't be treated for the rest of her life?
0
ELI5: Why is it hard to swallow without a liquid in your mouth?
0
ELI5 What makes a person allergic to something?
6
ELI5: Why are clouds distinctly different shapes but easily categorizable?
12
ELI5: How can a program teach itself to play a game like mario cart?
5
ELI5: Does activated charcoal passively collect fumes as any other surface or is there a 'pull' effect?
1
ELI5: Why do rechargable batteries gradually last for a shorter and shorter amount of time, even when you charge them fully?
2
ELI5: Why is your voice deeper when you have a cold?
1
ELI5: why is it hard to reproduce metallic colors (shine) accurately on display screen?
3
ELI5: Why do we still have the common cold if we already had it once, shouldn't our bodies be prepared for it ?
12
ELI5: How come taking an extended break from something sometimes makes you come back to it stronger than ever?
7
ELI5: What is Artificial neural networking?
2
ELI5: What is "Clearing" and how does it work? (Finance)
0
ELI5: why is that after you have had a beard or mustache you will always see its contour forever eve if you shave everyday completely?
56
ELI5: The long term effects of blasting music with earphones/headphones
0
ELI5: Drone battery life
2
ELI5: How can a screwball or curveball change direction in flight?
1
ELI5: Why do two windows open make for a better draft?
0
ELI5 : Why is it that when we read or think about something we don't hear a distinct voice associated with it.
6
ELI5: Why does black-top (AKA asphalt, tarmac, macadam, etc) fade from black to gray?
2
ELI5: How androgens relate to blood pressure
394
ELI5: What happens that makes beer taste terrible after warming up and then re-chilling? What makes beer 'skunky'?
2
ELI5: Why disconnecting and reconnecting the modem "works"?
0
ELI5: What is culture?
8
ELI5: Why do you have to salt pasta water? Why isn't the pasta already salted?
2
ELI5: what makes marshmallows inflate in the microwave?
8568
ELI5: How is it possible that ISP's can see what your up to online? I thought HTTPs encrypted your traffic so it can't be read?
10
ELI5: Vector components?
1
ELI5: What is the haze that appears in the neck of a bottle of beer when it is first opened?
23 wille179 It's psychological. The best explanation of it I've heard is that yawning serves to aid the brain in getting more oxygen, something to help fight fatigue. In pre-civilization tribal groups, if you're tired, it's almost certain that the people traveling/working alongside you are also tired. Yawning thus is effectively also a way of subconsciously telling the group that, "Hey, I'm tired. Are you tired? Perhaps we should all wake up a bit and pay attention to our surroundings some more." It's a group survival mechanism, and an ancient one at that, seeing as animals like dogs and cats also yawn.
6 Zombiac3 They are contagious, not infectious. No one knows the exact answer and all we really have is some speculation as to why.
1 [deleted] [removed]
1 Veritas3333 It's a sign of empathy. One sign of a psychopath is that they don't "catch" a yawn. Humans can even catch yawns from other animals. Only one other animal on earth can catch a yawn from another species... Dogs! My dog always yawns in response to my yawns!
1 Genothegreat I've also heard that yawning was a mechanism in early man to signify safety. When we were more nomadic, people at the front or back of a group of traveling people would yawn. The yawn would then pass through the group, showing that currently there was no danger.
20 0 wille179 It's psychological. The best explanation of it I've heard is that yawning serves to aid the brain in getting more oxygen, something to help fight fatigue. In pre-civilization tribal groups, if you're tired, it's almost certain that the people traveling/working alongside you are also tired. Yawning thus is effectively also a way of subconsciously telling the group that, "Hey, I'm tired. Are you tired? Perhaps we should all wake up a bit and pay attention to our surroundings some more." It's a group survival mechanism, and an ancient one at that, seeing as animals like dogs and cats also yawn.
6 0 Zombiac3 They are contagious, not infectious. No one knows the exact answer and all we really have is some speculation as to why.
1 0 [deleted] [removed]
1 0 Veritas3333 It's a sign of empathy. One sign of a psychopath is that they don't "catch" a yawn. Humans can even catch yawns from other animals. Only one other animal on earth can catch a yawn from another species... Dogs! My dog always yawns in response to my yawns!
1 0 Genothegreat I've also heard that yawning was a mechanism in early man to signify safety. When we were more nomadic, people at the front or back of a group of traveling people would yawn. The yawn would then pass through the group, showing that currently there was no danger.