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NEANDERTHALS may have begun weaning their babies at 7 months, and ceased breastfeeding altogether 7 months later.

from the University of Sydney in Australia and colleagues discovered that levels of barium in tooth enamel rise while a child is breastfed but drop off when they are weaned. So they tested barium levels in a 100,000-year-old molar from a Neanderthal child and concluded it was weaned at 14 months ().

This is 鈥渋ntriguingly early鈥�, says at the Natural History Museum in London. It suggests they matured faster than modern humans, who tend to be .

This article appeared in print under the headline 鈥淣eanderthals quick to leave the breast?鈥�