An ancient human species went extinct because it was 'lazy'
/https%3A%2F%2Fblueprint-api-production.s3.amazonaws.com%2Fuploads%2Fstory%2Fthumbnail%2F79526%2Fc86ffedc-ba6d-491d-87c5-9d434cc46f70.jpg)
Get the Full StoryResearchers at Australian National University think our fellow hominids Homo erectus went extinct because they didn't want to spend a lot of energy in making stone tools or gathering resources. Read more...More about Extinction, Mashable Video, Neanderthals, Lazy, and Homo SapiensShare: