Why Are We the Only Humans Left?

Fifty thousand years ago, you could step out of your cave and meet a different kind of human. Not another tribe. Another species. Today, only we are left — and a part of them still lives inside you. In this video: 🧍 How many kinds of humans shared the planet 🦴 How we know: bones, tools and ancient DNA 🔥 Neanderthals: the myth of the dumb brute 👻 Denisovans, the ghost species known by their DNA 🏝️ The island "hobbits" of Flores and Luzon 🌳 Why human evolution is a bush, not a ladder 🕵️ Four theories: war, climate, tiny populations, networks 🧬 The twist: we mixed — and you carry the proof 🪙 Were we superior… or just lucky? 📚 Chapters 0:00 You weren't the only human 0:22 How many kinds of humans? 0:34 How we know 0:57 Meet the Neanderthals 1:21 Smarter than the myth 1:44 The Denisovans: a ghost species 2:08 The island hobbits 2:32 Homo erectus and Homo naledi 2:54 A bush, not a ladder 3:13 We leave Africa 3:24 Coincidence? 3:49 Theory 1: war 4:01 Theory 2: climate 4:15 Theory 3: too few 4:38 Theory 4: networks 4:59 Competition 5:09 The twist: we mixed 5:33 A daughter of two species 5:57 Their gifts inside you 6:20 Extinct… or absorbed? 6:34 No single cause 6:47 Just lucky? 7:09 The last Neanderthal 7:20 Still here 7:40 Would you have survived? 💬 Be honest: would you have survived out there? Rate yourself from 1 to 10 in the comments. 🔔 Subscribe for more of you, dropped into history. Sources: see SOURCES (Neanderthal and Denisovan genome studies; Denny, the Denisova 11 hybrid; Homo floresiensis and Homo luzonensis discoveries; Homo naledi at Rising Star; research on Neanderthal extinction). Debated points are presented as debated. #Neanderthals #HumanEvolution #History #DNA #PastFoot