/u/Fibonacci35813's posts in /r/askscience

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So today I learned that identical twin dogs are very rare. But I can't find any information on why. So why are they are So rare?

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Why do your body parts 'fall asleep' when you lie on them for a long time? Why is it incredibly painful when they regain blood/feeling? and can it be dangerous?

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Peacock feathers are typically seen as sexual selection. How do we know that they weren't selected for to ward off predators?

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If I have a 10 pound bucket of water on a scale and I add a 1 pound piece of wood that floats to it, will the scale read 11 pounds or 10 pounds?

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Are there ways that scientists can 'predict' (assign probability to the likelihood of) earthquakes?

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Are all [white] blonde hair individuals descendant from one blonde person or has the gene mutated multiple times.

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Why is light slower in air and water than it is in a vacuum? And what would happen if you went 2.8x10^8m/s in water? would it be possible?

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Why do crows pick and referee fights with cats? (Explanation inside)

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What are people mean when they say that observation changes reality with respect quantum physics.

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Is there any truth to the observer effect in quantum physics - the idea that observation can change reality?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
So today I learned that identical twin dogs are very rare. But I can't find any information on why. So why are they are So rare?	1
Why do your body parts 'fall asleep' when you lie on them for a long time? Why is it incredibly painful when they regain blood/feeling? and can it be dangerous?	1
Peacock feathers are typically seen as sexual selection. How do we know that they weren't selected for to ward off predators?	1
If I have a 10 pound bucket of water on a scale and I add a 1 pound piece of wood that floats to it, will the scale read 11 pounds or 10 pounds?	0
Are there ways that scientists can 'predict' (assign probability to the likelihood of) earthquakes?	0
Are all [white] blonde hair individuals descendant from one blonde person or has the gene mutated multiple times.	0
Why is light slower in air and water than it is in a vacuum? And what would happen if you went 2.8x10^8m/s in water? would it be possible?	0
Why do crows pick and referee fights with cats? (Explanation inside)	0
What are people mean when they say that observation changes reality with respect quantum physics.	0
Is there any truth to the observer effect in quantum physics - the idea that observation can change reality?	0