Researchers used animal models to study how Neanderthal ##s would have fared if they did not use fire to cook and modern humans did . They that cooking would have increased the number of meals available . Evidence for Neanderthals using fire is unclear and not all may have done it .
Researchers used computer models to study how Neanderthal populations would have fared if they did not use fire to cook and modern humans did . They found cooking would have increased the number of calories available . Evidence for Neanderthals using fire is patchy and not all may have done it .