NewScientist The Last Word - Tag 'Eyes' details

Tag 'Eyes' details

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Does the colour of our eyes make any difference? What benefits do people have by possessing eyes of different colours? (Apart from being able to tell the person's race or having different variety.)
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Asked by iaskstupidquestion
on 2011-03-07 21:51:04

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Categories: Human Body.

Tags: Eyes, Colours.

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daunting noise why is it that we close our eyes when we hear very sudden loud noises nearby?
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Asked by ln64z3
on 2011-03-02 11:14:46

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Categories: Human Body.

Tags: Eyes, noise.

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Stairing Why do you feel so uncomfortable when being stared at or when looking into somones eyes? And why do dogs feel thretend when you look into thear eyes?
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Asked by jkwww
on 2011-02-15 20:53:38

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Categories: Human Body.

Tags: Eyes, uncomfortable.

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Why does pain cause eyes to water? Why when, for example, a hair is pulled from your nose, do your eyes tend to start watering?
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Asked by danielstrong52
on 2011-01-31 21:00:48

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Categories: Human Body.

Tags: humanbody, Eyes, pain.

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Why does it feel so horrible to read red text on green background... or any text on any beckground that is not darker or brighter but just another colour? Are the cones somehow less fit for reading than the rods? No one minds looking for red cherries among green leaves.
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Asked by translatrix
on 2011-01-19 17:14:20

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Last edited on: 2011-01-19 17:14:51

Categories: Human Body.

Tags: colour, eye.

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What effect does staring have on your eyesight? Whenever I stare at glow-in-the-dark objects in the dark they glow but the longer I keep my eyes open for the more that fades until it becomes completely invisible. Despite this as soon as I blink I can see the object again, glowing as though nothing happened. Is it just my eyes or does staring affect my vision?
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Asked by Yma
on 2010-12-29 15:08:01

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Categories: Human Body.

Tags: Eyes, Vision, blink, Stare, Glow-in-the-dark.

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Blind to the truth? Mu mum says that if I read under the bedclothes using a torch (flashlight) I will damage my eyesight. I told her it's an urban myth, but am I right? Ben Renton (aged 11), Leicester, UK
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Asked by Moderator
on 2010-12-22 10:52:11

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Categories: Human Body.

Tags: humanbody, light, Eyes, reading.

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Why are insects not blinded by sunlight?

Most vertebrates have eyelids or some other means of protecting their eyes from strong sunlight, which would otherwise cause irreversible damage. Insects, and many other invertebrates, on the other hand, habitually sit or cruise around with their eyes, or parts of them, pointing upwards towards full sunlight, with no apparent adverse effects. Why does direct sunlight not damage their eyes?

As a supplementary, would photographic flash light damage the eyes of an invertebrate?

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Asked by Dryopithecus
on 2010-12-20 08:38:36

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Categories: Animals.

Tags: Eyes, insect, sunlight, blinding.

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Why do I see flashing lights in the dark? Why is it that if I am in bed in the dark and I am startled by a sudden noise elsewhere in the house such as a door slamming, as well as hearing the noice I see a burst of bright flashing lights?
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Asked by niddynoddy
on 2010-12-02 18:56:45