| UPDATED: 15:06, Tue, Dec 22, 2020 Link copied Sign up for FREE for the biggest new releases, reviews and tech hacks SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Archaeologists have put forward a remarkable idea neanderthals may have once followed the example of other mammals by hibernating. The intriguing idea originated from evidence unearthed from bones discovered at one of the world’s most important fossil sites.