https://www.live-feeds.com/feed/how-an-ancestral-shift-to-eating-more-meat-changed-the-course-of-human-historyContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/how-an-ancestral-shift-to-eating-more-meat-changed-the-course-of-human-historyhttps://www.live-feeds.com/feed/how-an-ancestral-shift-to-eating-more-meat-changed-the-course-of-human-history#u25414Tue, 28 Jul 2026 12:50:10 +0000Human ancestors grew larger about 2 million years ago. This growth happened alongside the start of upright walking and a diet with more meat. These findings contradict theories of gradual size increases. https://www.live-feeds.com/feed/how-an-ancestral-shift-to-eating-more-meat-changed-the-course-of-human-historyhttps://www.live-feeds.com/feed/how-an-ancestral-shift-to-eating-more-meat-changed-the-course-of-human-history#u20812Thu, 02 Jul 2026 02:06:13 +0000Human ancestors experienced a significant increase in average body size approximately 2 million years ago. This growth coincided with the adoption of upright walking and a shift toward eating more meat. The change challenged previous theories that ancestors grew larger gradually over time.What's confirmed:Human ancestors saw an average body size increase from 88 to 132 pounds around 2 million years ago.The increase in body size occurred when ancestors began walking upright and eating meat.Modern humans evolved in Africa approximately 300,000 years ago.Still unconfirmed:The claim that rye was c