Neanderthal Teeth Reveal Ancient Weaning

Decrease in barium-to-calcium ratios in juvenile’s molar indicates a dietary change from breast milk to solid food



via Chemical & Engineering News: Analytical SCENE http://feedproxy.google.com/~r/analytical_scene/~3/T5xHxok7glk/Neanderthal-Teeth-Reveal-Ancient-Weaning.html