300,000-Year-Old Hearth Found (2 of 2) (IMAGE) Weizmann Institute of Science Caption This is a scan of a sediment "slice" from the hearth area of the cave showing burnt bone and rock fragments within the gray ash residue Credit Weizmann Institute of Science Usage Restrictions None License Licensed content 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.