Extinction: Homo rhodesiensis
Homo rhodesiensis went extinct somewhere around 125,000 years ago.
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Master Timeline
Homo rhodesiensis: A Hybrid Lesson
Homo rhodesiensis, often regarded as Africa’s counterpart to Europe’s Homo heidelbergensis, represents a pivotal species. Discovered in Kabwe, Zambia, the species exhibits a mix of robust and modern traits with a large brain size and advanced tool use, reflecting significant cognitive capabilities. Interbreeding Analysis: The evolutionary journey of Homo rhodesiensis might highlight well the complex
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Homo longi: Rewriting Human Migration Narratives
In the lush landscapes of northeastern China, the discovery of the Homo longi skull has opened new chapters in our understanding of human evolution. This skull, dating back to approximately 146,000 years ago, represents a pivotal moment in prehistory. Homo longi, also nicknamed “Dragon Man,” showcases a unique blend of archaic and modern traits—marked by
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Emergence of Early Hominin Shelters
The origins of tent-like structures in human history remain shrouded in mystery, primarily due to the perishable materials involved and the lack of direct archaeological evidence. However, as Homo erectus appeared and spread into varied climates, their enhanced tool-making skills and control of fire likely necessitated and enabled the construction of more complex shelters. This
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First Proto-Containers
The earliest containers were likely simple natural resources that early hominins stumbled upon and adapted for use. Starting possibly with Homo habilis around 2.0 million years ago, these early humans may have utilized large leaves, shells, or naturally hollowed-out pieces of wood as rudimentary containers. This usage marks an innovative step in early human technology,
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Collective Learning Emerges
The dawn of collective learning can be traced back the oldest known stone tools, discovered at Lomekwi 3 in Kenya. The creation of these tools required more than just individual innovation; it involved the rudimentary form of collective learning, where knowledge of toolmaking was shared within groups. This early transmission of skills not only enhanced
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Transcendental Intelligence Emerges
Transcendental Intelligence (TI) likely emerged around this time in species like Homo antecessor and Homo heidelbergensis. Species such as these mark a compelling case for the early development of TI: the ability to store information outside the mind and across generations. This would likely take the form of stories, art, or something like a symbolic
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Full Emotional Intelligence Emerges
Full emotional intelligence (EI) likely emerged around this time in species such as Homo antecessor and Homo heidelbergensis. EI heralds the dawn of a new era where emotional intelligence began to take a recognizable shape. Analysis: With indications of complex social structures, more potential for language, and advanced tool-making abilities, these species navigated their world
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Neanderthal-Sapien LCA
NSLCA: The Neanderthal-Sapien Last Common Ancestor was likely Homo heidelbergensis or Homo antecessor. Analysis:Â Before the discovery of Homo antecessor in the 1990s, Homo heidelbergensis was considered the primary candidate for the NSLCA due to its chronological and morphological position in the human lineage. The discovery of Homo antecessor, with its more modern-looking facial features, has
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First Clothes: Proto-Clothing and the Advent of Garments
Proto-clothing, encompassing basic garments such as animal skins and possibly decorative natural materials, likely emerged among hominins around 600,000 years ago, with Homo heidelbergensis being a probable early adopter. This species, experiencing diverse and often colder climates across Europe and Africa, may have utilized simple clothing as a practical response to environmental challenges. Analysis: The
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Transition from Trees to Savannah Begins
Arboreal to Terrestrial: Beginning approximately 9 million years ago, our ancestors began an evolutionary change from forests to woodlands to savannahs. This gradual transition from primarily arboreal (tree-dwelling) lifestyles to increasingly terrestrial (ground-based) behaviors was very gradual with traits specific for walking around carrying things gradually accumulating. This evolutionary journey spanned roughly 7 million years,
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Great Apes: Medicine Emerges
While speculative, it is reasonable to position the occassional use of proto-medicine as emerging in the great apes sometime round 18 million years ago. Modern orangutans, apes, and chimpanzees treat wounds, digestive issues, and even use insect repellant. The Great Apes LCA lived around 18 million years ago, so using the Occam Approach, this implies
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Modern Skin Color Variety Emerges
Current understanding suggests that the diverse skin colors among modern humans, ranging from dark brown to fair, evolved multiple times both within Africa and as Homo sapiens migrated out of Africa. This variation is driven by natural adaptation to varying levels of UV radiation exposure in different populations, a process that typically unfolds over thousands
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Modern Gorilla Species
The modern gorilla species, the western and eastern gorillas, are estimated to have diverged approximately 1.75 million years ago. However, recent studies suggest that there was an interbreeding event between an extinct gorilla population and eastern gorillas around 40,000 years ago, leaving a genetic legacy in present-day eastern gorillas.
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Genus Gorilla
The gorilla genus is thought to have diverged from other great apes around 7 million years ago. The western gorilla and the eastern gorilla diverged around 2 million years ago. The western gorilla has two subspecies: the western lowland gorilla and the Cross River gorilla. The eastern gorilla has two subspecies as well: the eastern
Genus Orangutans
Orangutans (genus Pongo) are great apes native to Indonesia and Malaysia, characterized by their distinctive reddish-brown fur, long arms, and intelligent behavior. They are the most arboreal of all great apes, spending most of their time in trees, and are skilled climbers and swing between branches with ease. Orangutans are also known for their advanced
Genus Kenyapithecus: EI Emerges
Great Apes LCA candidate: Kenyapithecus is an extinct genus of great ape that lived in Kenya around 14-16 million years ago. It is considered a potential candidate for the last common ancestor of all great apes, including humans, chimpanzees, gorillas, and orangutans. Kenyapithecus had a mix of primitive and advanced features, with a brain size
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Emergence of the Great Apes (Great Apes LCA)
680,000 Generations Ago The Last Common Ancestor (LCA) of the Great Apes, a.k.a. the Hominidae family, marks a pivotal point in our evolutionary history, encompassing the origins of orangutans, gorillas, chimpanzees, and humans. This ancestor species, likely existing between 15 to 19 million years ago, represents the shared lineage from which all modern great apes
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Genus: Ardipithecus
CHLCA candidate: This genus includes Ardipithecus ramidus (like “Ardi”) and possibly earlier species like Ardipithecus kadabba. Ardipithecus shows a mix of bipedal traits and adaptations for climbing, reflecting a transitional form in human evolution.
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Genus: Orrorin
CHLCA candidate: Known from Kenya, Orrorin tugenensis is another early form, with femoral evidence suggesting bipedality, indicating it was likely an early walker.