/u/CygnusX-1-2112b's posts

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How many generations does it appear to take for environmental factors to begin to effect physical traits of humans (I.E melanin concentration)

1 upvotes • r/askscience

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How many generations does it appear to take for environmental factors to begin to effect physical traits of humans (I.E melanin concentration)?

1 upvotes • r/askscience

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I hadn't gone for a run for a week, and then yesterday I ran a 10K. My tracker noted my resting heart rate increased 5 BPM over last night, and heart rate variance was much lower than usual (32ms). Why is this? Don't these usually indicate low cardio fitness?

1 upvotes • r/askscience

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Have there been any conclusions drawn on the effects of regular exposure to extremely violent videos and media online from a young age?

1 upvotes • r/askscience

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Those of you who have made an attempt, do you remember your final thoughts?

1 upvotes • r/SuicideWatch

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What is the speed of Gravity?

1 upvotes • r/askscience

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What is the biological purpose of an ABO rejection reaction?

1 upvotes • r/askscience

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Will it ever be possible to conduct a fission reaction using some of the the lightest elements in nature like Oxygen?

1 upvotes • r/askscience

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Why do gloss black surfaces (like black cars) act as better mirrors than other colored glossy surfaces when black surfaces are supposed to absorb light most efficiently?

1 upvotes • r/askscience

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Is it knosn why, in most mammal species, males are larger and more geared towards fighting and defending territory, where in other groups (I.E fish, insects, reptiles) females are the larger and more powerful ones?

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
How many generations does it appear to take for environmental factors to begin to effect physical traits of humans (I.E melanin concentration)	1	askscience
How many generations does it appear to take for environmental factors to begin to effect physical traits of humans (I.E melanin concentration)?	1	askscience
I hadn't gone for a run for a week, and then yesterday I ran a 10K. My tracker noted my resting heart rate increased 5 BPM over last night, and heart rate variance was much lower than usual (32ms). Why is this? Don't these usually indicate low cardio fitness?	1	askscience
Have there been any conclusions drawn on the effects of regular exposure to extremely violent videos and media online from a young age?	1	askscience
Those of you who have made an attempt, do you remember your final thoughts?	1	SuicideWatch
What is the speed of Gravity?	1	askscience
What is the biological purpose of an ABO rejection reaction?	1	askscience
Will it ever be possible to conduct a fission reaction using some of the the lightest elements in nature like Oxygen?	1	askscience
Why do gloss black surfaces (like black cars) act as better mirrors than other colored glossy surfaces when black surfaces are supposed to absorb light most efficiently?	1	askscience
Is it knosn why, in most mammal species, males are larger and more geared towards fighting and defending territory, where in other groups (I.E fish, insects, reptiles) females are the larger and more powerful ones?	1	askscience