5,700-Year-Old Birch Pitch (image) University of Copenhagen The Faculty of Health and Medical Sciences Share Print E-Mail Caption During excavations on Lolland, Denmark, archaeologists have found a 5,700-year-old birch pitch. Researchers from the University of Copenhagen have succeeded in extracting a complete ancient human genome from the pitch seen in the photo. Credit Photo: Theis Jensen. Usage Restrictions The image may only be used with credit to Theis Jensen. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.