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  4. Is there a scientific way to measure human age, equivalent to tree-rings?
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Is there a scientific way to measure human age, equivalent to tree-rings?

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felix

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Is there a scientific way to measure human age, equivalent to tree-rings?
« on: 06/07/2008 16:17:53 »
felix  asked the Naked Scientists:

Dear Naked Scientists Team,

Is there a way for scientific measurement of human age? (like C-14 dating for rocks and dendrochronology for trees).

Thank you,
Felix

Felix Bast
Grad School of Kuroshio Sc.,
Kochi University,
Kochi 780-8520, Japan.

What do you think?
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Marked as best answer by on 02/12/2019 15:43:33

Offline RD

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  • Is there a scientific way to measure human age, equivalent to tree-rings?
    « Reply #1 on: 06/07/2008 22:52:43 »
    The only creatures I've heard of having annual growth rings, like a tree, are fish...

    Quote
    Fish otoliths accrete layers of calcium carbonate and gelatinous matrix throughout their lives. The accretion rate varies with growth of the fish - often less growth in winter and more in summer - which results in the appearance of rings that resemble tree rings.
    By counting the rings, it is possible to determine the age of the fish in years
    http://en.wikipedia.org/wiki/Otolith

    Dentition is used to estimate the age of human remains.
    « Last Edit: 06/07/2008 23:12:24 by RD »
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    Offline thedoc

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    Is there a scientific way to measure human age, equivalent to tree-rings?
    « Reply #2 on: 26/07/2008 18:20:27 »
    Listen to this question on our podcast by clicking here
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    Offline Espen Fikseaunet

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    Re: Is there a scientific way to measure human age, equivalent to tree-rings?
    « Reply #3 on: 27/10/2015 11:13:05 »
    Could a person's age be accurately determined using Blaschko's lines?
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    Online evan_au

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    Re: Is there a scientific way to measure human age, equivalent to tree-rings?
    « Reply #4 on: 28/10/2015 08:25:22 »
    Adult female dinosaurs apparently show growth rings, due to the calcium taken out to lay a clutch of eggs.


    The age of humans can be estimated from their teeth (certain teeth grow at approximately certain ages), and by looking at which bones have fused together (which tends to happen after growth has stopped).


    There is more than one way to measure age - one genetic measure is by epigenetic markers. Another is by telomere length; this does not measure how old you are since birth, but is claimed to provide an indication of how many years you have left.


    Who says that calendar age is the most important measure?
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