Stay Curious

SIGN UP FOR OUR WEEKLY NEWSLETTER AND UNLOCK ONE MORE ARTICLE FOR FREE.

Sign Up

VIEW OUR Privacy Policy


Discover Magazine Logo

WANT MORE? KEEP READING FOR AS LOW AS $1.99!

Subscribe

ALREADY A SUBSCRIBER?

FIND MY SUBSCRIPTION
Advertisement

A Full Genome From 5,700-Year-Old 'Chewing Gum' Gives Insights Into Prehistoric Lives

Recovered from an ancient settlement, this hardened chunk of tree bark carries the DNA of the person who chewed it — and evidence of her meals.

An artistic reconstruction of the ancient hunter-gatherer who chewed the pitch.Credit: Tom Björklund

Newsletter

Sign up for our email newsletter for the latest science news

Sign Up

Not unlike New Yorkers, some of our ancient relatives felt comfortable leaving their gum wherever they pleased. Now, archaeologists combing through centuries-old settlements are recovering these chewed remains, breaking them down and learning more about the people who spat them out.

One such wad, recovered in southern Denmark, was likely chomped about 5,700 years ago by a member of one of the last groups of hunter-gatherers in the region. A full genome recovered from the gum shows it belonged to a dark-skinned, dark-haired and blue-eyed female, according to an analysis published in Nature Communications. The recovered DNA also hints at what kind of foods and diseases were common among people of the region, as well as where they might have come from in the first place.

The “gum” in question is birch pitch, a byproduct of heating up tree bark. It’s unclear what our relatives chewed it for. It may ...

Stay Curious

JoinOur List

Sign up for our weekly science updates

View our Privacy Policy

SubscribeTo The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Subscribe
Advertisement

0 Free Articles