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    1. Home
    2. Hair

    Hair

    Although we may not reach Rapunzel fame, the majority of us have a great deal of hair on our heads - 120,000 to be exact. These long 'shafts' of dead hair are composed of keratin, a strong fibrous protein, that grows from a living follicle. Given we are mammals, it is peculiar that we've lost so much hair but retained in certain regions. There are many theories regarding this, such as better thermoregulation, loss of parasites, and communicative purposes, but there is no definite answer.

    Why are Sphynx cats hairless? © Getty Images
    Everyday science

    Why are Sphynx cats hairless?

    Are razors with more blades really better? © Getty Images
    Everyday science

    Are razors with more blades really better?

    Why is long hair often considered feminine? © Getty Images
    The Human Body

    Why is long hair often considered feminine?

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    My boyfriend is like a human Wookiee. Why are some guys so hairy? © Dan Bright
    The Human Body

    My boyfriend is like a human Wookiee. Why are some guys so hairy?

    Stress really does turn your hair grey © Getty Images
    Science news

    Stress really does turn your hair grey

    Why is curly hair curly? © Getty Images
    Science news

    Thin hair, don’t care: thicker hair is weaker, study finds

    Why is curly hair curly? © Getty Images
    The Human Body

    Why is curly hair curly?

    Can you be allergic to human hair? © Getty Images
    The Human Body

    Can you be allergic to human hair?

    New treatment could reduce hair loss in chemotherapy patients © Getty Images
    Science news

    New treatment could reduce hair loss in chemotherapy patients

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    How to get the perfect shave © Getty Images
    The Human Body

    Five steps to the perfect shave

    Shutterstock © When you pull out a grey hair, will it grow back to be grey?
    The Human Body

    When you pull out a grey hair, will it grow back to be grey?

    Why are bald heads so shiny, when the skin elsewhere on your body isn't? © Getty images
    The Human Body

    Why are bald heads so shiny, when the skin elsewhere on your body isn’t?

    Why do our hairs stand on end when we're cold? © Acute Graphics
    The Human Body

    Why do our hairs stand on end when we’re cold?

    How does our appearance change as we age? © Getty Images
    The Human Body

    How does our appearance change as we age?

    What connects gold and baby hair? © Getty Images
    The Human Body

    What connects gold and baby hair?

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