"The brains of modern humans are around 13% smaller than those of Homo sapiens who lived 100,000 years ago.Exactly why is still puzzling researchers." https://

"The brains of modern humans are around 13% smaller than those of Homo sapiens who lived 100,000 years ago.Exactly why is still puzzling researchers." https://www.bbc.com/future/article/20240517-the-human-brain-has-been-shrinking-and-no-one-quite-knows-why https://www.bbc.com/future/article/20240517-the-human-brain-... Civilization cannot explain this trend.