Ancient baby bottles

Prehistoric parents used clay sippy cups to feed their infants animal milk, according to a new study—and that practice may have helped fuel a population boom. Archaeologists have unearthed small clay vessels with teat-like spouts from Neolithic, Bronze, and Iron Age sites across Europe. Many of the vessels have been found in infant graves, and some are shaped like animals. Using a technique called organic residue analysis, a team from the University of Bristol in England has now examined molecules collected from