/r/askscience

Year:

Only show posts with narrations

What would happen if a helicopter just kept going upwards until it couldn’t anymore? At what point/for what reason would it stop going up?

4815 upvotes • ElDoggy

Mark as read: Add to a list

Did dinosaurs roam the entire planet or did they live in certain parts? And if so, where did they predominantly live and why?

4811 upvotes • TheFutureExcitesMe

Mark as read: Add to a list

Does pregnancy really last a set amount of time? For humans it's 9 months, but how much leeway is there? Does nutrition, lifestyle and environment not have influence on the duration of pregnancy?

4810 upvotes • Etzello

Mark as read: Add to a list

What makes permanent and non-permanent markers different on a chemical level?

4809 upvotes • lolgutana

Mark as read: Add to a list

In space, two pieces of metal of the same type will "cold weld" if they touch. Why does this happen, and what do space agencies do to avoid or prevent this?

4805 upvotes • el_derrotado

Mark as read: Add to a list

Question about whale blow hole muscles: are the muscles designed to keep the blowhole open or closed? Does it take more muscle to open?

4790 upvotes • Kickstand8604

Mark as read: Add to a list

Is mold in blue cheeses different in any way from the mold we usually despise that makes it desireable in food?

4789 upvotes • libertasonmipotea

Mark as read: Add to a list

Does the brain really react to images, even if they are shown for just a really short period of time?

4788 upvotes • Karottenphantom

Mark as read: Add to a list

How does seedless produce get planted and reproduced?

4785 upvotes • Matt-ayo

Mark as read: Add to a list

If the universe is an hypertorus, is it possible that we receive the light from a star twice ?

4784 upvotes • Smarterthanstuff

Mark as read: Add to a list

Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What would happen if a helicopter just kept going upwards until it couldn’t anymore? At what point/for what reason would it stop going up?	4815	ElDoggy
Did dinosaurs roam the entire planet or did they live in certain parts? And if so, where did they predominantly live and why?	4811	TheFutureExcitesMe
Does pregnancy really last a set amount of time? For humans it's 9 months, but how much leeway is there? Does nutrition, lifestyle and environment not have influence on the duration of pregnancy?	4810	Etzello
What makes permanent and non-permanent markers different on a chemical level?	4809	lolgutana
In space, two pieces of metal of the same type will "cold weld" if they touch. Why does this happen, and what do space agencies do to avoid or prevent this?	4805	el_derrotado
Question about whale blow hole muscles: are the muscles designed to keep the blowhole open or closed? Does it take more muscle to open?	4790	Kickstand8604
Is mold in blue cheeses different in any way from the mold we usually despise that makes it desireable in food?	4789	libertasonmipotea
Does the brain really react to images, even if they are shown for just a really short period of time?	4788	Karottenphantom
How does seedless produce get planted and reproduced?	4785	Matt-ayo
If the universe is an hypertorus, is it possible that we receive the light from a star twice ?	4784	Smarterthanstuff