Christine Austin, Tanya M. Smith, Asa Bradman, Katie Hinde, Renaud Joannes-Boyau, David Bishop, Dominic J. Hare, Philip Doble, Brenda Eskenazi, Manish Arora. Barium distributions in teeth reveal early-life dietary transitions in primates. Nature, 2013; DOI: 10.1038/nature12169
Dated to around 100–127,000 years ago, the jaw of the infamous Scladina Neanderthal child was found on 16 July 1993. The specimen includes a partial cranium and jaw bone, of which the oldest DNA sample to date was able to be extracted from a tooth molar. He or she is thought to be 8 years and 17 days old at the time of death.
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Journal reference: Tanya M. Smith, Michel Toussaint, Donald J. Reid, Anthony J. Olejniczak, Jean-Jacques Hublin, Rapid Dental Development in a Middle Paleolithic Belgian Neanderthal, Proceedings of the National Academy of Sciences USA December 2007
Stringer, Chris (13 March 2012). Lone Survivors: How We Came to Be the Only Humans on Earth. Henry Holt and Company. pp. 73–. ISBN 9780805088915. Can be read here.