Cela à été pratiqué sur une dent de néandertalien c'est relativement simple en fait, il s'agit de faire des comparaisons de forme !!! mais je ne me suis pas encore penché sur les clichés des résidus d'hominiens pour comparer.
When Henry compared the microscopic structure of starches found in the Neanderthal calculus (top row), to a library of starches in the lab (bottom row), she could identify the starch and how it had been processed before eating. The library sample of uncooked barley in (b) matched the starch microfossil in (a), and the library sample of cooked barley in (d) matched the structure seen in the microfossil in (c). Together, these comparisons suggest that this Neanderthal consumed a starch similar to barley and that at least some of it was cooked before eating
http://www.mnh.si.edu/highlight/Neanderthal_Diet/
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