The protein, which is mostly collagen, provides strength and flexibility to the bone whereas the hydroxyapatite gives the bone its rigidity and solid structure.
In theory, both organic and inorganic components can be dated.
Radiocarbon dating individual amino acids is not recommended unless necessary as in the case of old bone samples where the presence of even small levels of contaminants produce a large error.
The time-width of any given sample reflects the total growth of the original organism and the span of time that organism interacted with the biosphere.
That images of her frail, troubling body have since been widely disseminated as “thinspiration” is horrifying, though unsurprising.
Marti Noxon, the film’s director, has herself suffered from eating disorders, and so too has the film’s star Lily Collins.
There is no need for a public information campaign on this subject.
Anorexia, unlike those other illnesses, exists in an ambivalent social position.
We are all in agreement about how dreadful and tragic it is, but the painful thing about our relationship to eating disorders is that we dramatically fetishise their sadness while overtly rewarding the same mechanisms that facilitate them.
Denial, temperance, self-punishment are all seen as worthy moral endeavours. That its production compelled James, an ED sufferer, to lose a huge amount of weight she did not have to lose is a fairly compelling one.