Animal remains found in a cave in Israel that was occupied by hominins suggest these ancient humans had the foresight to store high-calorie food.
Which hominin species—the group to which modern humans belong—was processing the bones in this way is not known. But Blasco said that whoever they were, they demonstrated many modern behaviors, including regular use of fire, recycling and food roasting. The deferred consumption of bone marrow is now another task to add to that list.
After analyzing the remains of almost 82,000 animal bones from the site, the team was able to show that bone marrow was being preserved for consumption at a later date. Old, dry flesh and skin is harder to remove from a bone than when it is fresh. As a result, removing it leaves behind specific sawing marks.
Bones found in the Qesem Cave in Israel. The cut marks suggest that prehistoric humans were saving the bone marrow for a later meal.In experiments, researchers showed that these marks could be replicated by removing skin after two or more weeks. They also found skin removal increased after four weeks. This, the team believes, is evidence of deferred consumption of the marrow.
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