article_snippet.sent: a group of Neanderthals are often depicted as dim-witted evolutionary losers, but Neanderthals were not driven to extinction by a group of Neanderthals lack of brains..
article_snippet.sent: Many researchers believe the differences between the two human species are not enough on Many researchers own to account for the demise of the Neanderthals.
article_snippet.sent: However, DNA evidence also suggests that Neanderthals and modern humans also interbred.
article_snippet.sent: It may be that we haven't found It yet, or It may be that Neanderthals were using other survival strategies. '
article_snippet.sent: Neanderthals probably weren't all that different from humans, but Neanderthals may have adopted different strategies for dealing with Neanderthals environment.'
article_snippet.sent: Miss Goldfield, who conducted her research with Ross Booton, a mathematical biologist at the University of Sheffield, suggests that with Neanderthals bigger bodies, Neanderthals would have needed more food than modern humans.
article_snippet.sent: Recent research is suggesting that Neanderthals were sophisticated and not very different from modern humans, increasing the mystery behind why Neanderthals died out and Homo sapiens managed to survive .
article_snippet.sent: Neanderthals were a bit more muscular and robust than early humans.
article_snippet.sent: Neanderthal metabolic costs for a day's activity would have been a bit higher.'
article_snippet.sent: But as modern human populations grew, modern human populations grew would also reduce the number of reindeer available for Neanderthals.
article_snippet.sent: Over time this could have increased Neanderthals vulnerability to extinction.