빙하기를 20번이나 버텼다고? 하지만 봄이 오자 멸종한 호모에렉투스!

There is a species of humanity that broke through a hell of minus 40 degrees Celsius 20 times with nothing but their bare hands. But why did this monstrous survival machine go extinct once the weather warmed up? 'Homo erectus,' the true first resident to register the Korean Peninsula and the human species that survived on Earth for 1.9 million years—six times longer than Sapiens. They were not merely primitive humans wielding stone axes. They were the ultimate high-tech hunters of their time, equipped with massive 180cm bodies, 5 million body cooling "coolers" (sweat glands), and even natural gimbals specialized for running. However, when the Ice Age ended and the jungles arrived, these perfect specs became a trap that strangled them instead. What is the truth hidden within the 'Acheulean hand axe,' which had not been updated even once in 1.5 million years? We will thoroughly uncover the bone-chilling twists of human evolution hidden behind the stones and the mysteries of extinction. Check it out in the video right now! ✨Subscribing, liking, and turning on notifications are a great help in creating deeper and more interesting videos. 📚 [Key Papers and Sources Cited in the Video] [Homo Erectus's Bipedalism and the Heat Dissipation Hypothesis] Wheeler, P. E. (1984). "The evolution of bipedality and loss of functional body hair in hominids." Journal of Human Evolution, 13(1), 91-98. — Physiological evidence that the real reason humans began walking on two legs and lost their hair was a 'body cooling (water-cooled cooler)' system to reduce solar radiation under the scorching sun of the savanna. [Nepicle Ligament (Natural Gimbal) and Endurance Tracking Hunting] Bramble, D. M., & Lieberman, D. E. (2004). "Endurance running and the evolution of Homo." Nature, 432(7015), 345-352. — Anatomical study showing that the nuchal ligament (ligamentum nuche) of Homo erectus acted as a 'natural gimbal' to stabilize the head while running, and that this, combined with sweat glands, enabled 'persistence hunting'. [Brain regions activated during stone tool making (the pianist's brain)] Putt, S. S., et al. (2017). "The functional brain networks that underlie Early Stone Age tool manufacture." Nature Human Behaviour, 1(6), 0102. — Cognitive science evidence that the brain regions activated when carving and shaping Acheulean hand axes match the spatial perception and motor control networks used by modern pianists when playing complex musical scores. [Fire and woodworking techniques found in Israeli sites from 790,000 years ago] Goren-Inbar, N., et al. (2004). "Evidence of Hominin Control of Fire at Gesher Benot Ya'aqov, Israel." Science, 304(5671), 725-727. — Archaeological evidence that Homo erectus not only controlled fire but also understood the physical properties of various tree species, such as oak and willow, and intentionally processed and used them. [Invention of Bischurian Tar Composite Tools by Neanderthals] Villa, P., et al. (2017) / Mazza, P. et al. "Neandertal adhesive technology." Related paper (published in PNAS, etc.). — Evidence of technological innovation that, unlike the single stone tools of Homo erectus, the later human species Neanderthals designed 'composite modular tools' by heating birch bark to create a natural adhesive and combining stone and wood. [The Timing of Homo erectus's Final Extinction and Forestification] Rizal, Y., et al. (2019). "Last appearance of Homo erectus at Ngandong, Java, 117,000–108,000 years ago." Nature, 577(7790), 381-385. — Evidence for the background of extinction based on precise dating of the Ngandong site on Java, Indonesia, which indicates that the last record of the oldest surviving Homo erectus precisely coincides with the time when grasslands disappeared and tropical rainforests expanded. #HomoErectus #IceAge #StoneAxe #Archaeology #AcheuleanHandAxe #ReasonForExtinction #HumanEvolution #Prehistory #PrimitiveMan