Genetic Sequencing Human DNA from 5,700-Year-Old Chewing Gum

From a one inch wad of birch pitch, chewed and spat out by a hunter-gatherer referred to as Lola around the year 3,700 BC, scientists were able to piece together an entire genetic snapshot—which goes so far as to include the meal she ate that day. The findings were published in the journal Nature Communications and represent the first time researchers “have been able to …