Just as a side note on the article, which has many cool bits (but indeed sparse and not well organized), the pictures of the teeth of the ancient human, and the

Just as a side note on the article, which has many cool bits (but indeed sparse and not well organized), the pictures of the teeth of the ancient human, and the bits about diet and how it shaped evolution got me to really appreciate how teeth have evolved. With different teeth having different functions, the incisors for tearing apart food, to the molars that are flatter with different grooves in them for chewing food. Evolution, really is amazing.