The Homo genus began approximately 2.3 million years ago with Homo Habilis, the first species in this lineage, which led to modern humans, Homo sapiens sapiens. Fossils of Homo Habilis were found at ...

Thanks to a study that analyzed fossilized fragments of baby jaws dating back two million years, scientists are rewriting the ...

更令人困惑的是，南方非洲是否存在早期Homo成员仍存争议，而东非发现的AL 666-1上颌骨（约233万年前）既显示出接近Homo habilis的特征，又具有向Homo erectus衍化的趋势。这些谜团的核心在于：成年个体的形态差异究竟源于发育可塑性还是与生俱来的遗传差异？