NewScientist The Last Word - Tag 'hair' details

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Is there a theoretical limit to the length to which human head hair can grow?
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Asked by Dudok
on 2010-09-27 11:48:14

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Categories: Human Body.

Tags: hair.

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Does shaving make hair grow back faster and thicker? A quick google search provides 50/50 yes and no answers.
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Asked by armyduck
on 2010-09-23 02:58:34

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Categories: Human Body.

Tags: body, hair, shaving, shave.

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Are there any mammals that have green fur? If not, why not?
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Asked by agrazebrook
on 2010-08-02 19:18:53

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Categories: Animals.

Tags: hair, green, camouflage, mammal, fur.

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How can grey hair turn back to coloured hair? I noticed one of my head hairs looked a bit strange and removed it. From the root it was brown then towards the tip was grey.. I have never dyed my hair...how does this work?
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Asked by Will719
on 2010-07-30 16:27:56

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Categories: Human Body.

Tags: hair, ageing.

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Greasy hair. Firstly, what makes my hair greasy? (Scalp oils?) And secondly, If my hair is in need of a wash, my face becomes very oily. Once I wash my hair, the oilyness goes away (I've noticed this in other people too).
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Asked by Lana
on 2010-07-16 18:25:26

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Categories: Human Body.

Tags: hair, oil, wash, greasyhair.

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Why do nose and ears hairs grow longer as we age?
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Asked by paigetheoracle
on 2010-07-12 12:08:55

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Categories: Human Body.

Tags: hair, nose, ears, Age.

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oknj
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Asked by Lana
on 2010-06-09 20:41:08

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Last edited on: 2012-08-19 16:45:37

Categories: Human Body.

Tags: onj.

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Why is it that exposure to the sun darkens the skin but lightens the hair? Melanin is a pigment found in the iris (eye), hair and skin. Melanin protects DNA from damages caused by the sun, hence the darkening of skin. However, hair tends to get lighter in the sun despite containing melanin....does the pigment have a different role here?
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Asked by KKM4
on 2010-05-21 17:41:50

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Categories: Human Body.

Tags: sun, hair, molecules, pigment, melanin.

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Can heat from hair straighteners travel up the hair shaft and destroy the follicle, causing permanent hair loss? If so does this depend upon factors such as length and texture of hair, amount of straightening, and temperature of straighteners (average 210 - 220C)?
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Asked by originalandbest
on 2010-01-25 21:18:24

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Categories: Human Body.

Tags: heat, hair, straightening.

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Are those myths true about grey hair? I'm 21 years old and yesterday I found my first grey hair. I heard that if you pluck out a grey hair 5 grow back in its place is this true? Is there anything I can do to stop more grey hairs growing?
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