/r/askscience

Year:

Only show posts with narrations

Is there a science about knots and what gives them their strength?

5504 upvotes • shamashur

Mark as read: Add to a list

If you point your phone camera at an IR LED (like in a TV remote) it is visible but why does it show up as blue/purple rather than red?

5502 upvotes • JoePatrick1

Mark as read: Add to a list

Is there a natural reference for the correct time, down to the milliseconds?

5500 upvotes • hairycoo

Mark as read: Add to a list

Is balding accelerated by external factors like stress, or is it just genetic?

5500 upvotes • TopSecret555

Mark as read: Add to a list

People subjected to high amounts of radiation tend to report seeing bright flashes of color, a pins and needles sensation, and a metallic taste. What does the radiation do to the body to cause these sensations?

5497 upvotes • piecat

Mark as read: Add to a list

How long did it take dinosaurs to go fully extinct?

5496 upvotes • FrogsArePeople2

Mark as read: Add to a list

About how many gallons of water is evaporated on average per day in one square mile of the ocean?

5495 upvotes • 0gammaray0

Mark as read: Add to a list

Does an octopus have a dominant tentacle?

5494 upvotes • bluecoloredlenses

Mark as read: Add to a list

Why are birds, animals, and fish so much more colorful near the equator than farther away from it?

5488 upvotes • WinstonSmith-Corona

Mark as read: Add to a list

This is not a 'cicada year,' but I hear one buzzing outside right now. Is there a small set of cicadas out of sync with the main population, or do a few mistakenly mature early every year? Or is this a different species entirely?

5487 upvotes • VeryLittle

Mark as read: Add to a list

Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Is there a science about knots and what gives them their strength?	5504	shamashur
If you point your phone camera at an IR LED (like in a TV remote) it is visible but why does it show up as blue/purple rather than red?	5502	JoePatrick1
Is there a natural reference for the correct time, down to the milliseconds?	5500	hairycoo
Is balding accelerated by external factors like stress, or is it just genetic?	5500	TopSecret555
People subjected to high amounts of radiation tend to report seeing bright flashes of color, a pins and needles sensation, and a metallic taste. What does the radiation do to the body to cause these sensations?	5497	piecat
How long did it take dinosaurs to go fully extinct?	5496	FrogsArePeople2
About how many gallons of water is evaporated on average per day in one square mile of the ocean?	5495	0gammaray0
Does an octopus have a dominant tentacle?	5494	bluecoloredlenses
Why are birds, animals, and fish so much more colorful near the equator than farther away from it?	5488	WinstonSmith-Corona
This is not a 'cicada year,' but I hear one buzzing outside right now. Is there a small set of cicadas out of sync with the main population, or do a few mistakenly mature early every year? Or is this a different species entirely?	5487	VeryLittle