Why Are We the Only Human Species Left?

Every face you have ever seen belonged to the same species as you. That is not normal. Fifty thousand years ago there were at least five kinds of human alive at the same time, and Neanderthals had brains slightly larger than yours. Then, within a few tens of thousands of years, there was one. What You Will Learn in This Video? - They Were People, Not Cavemen: Understand why the hunched brute image comes from one badly reconstructed skeleton, how Neanderthals made birch tar glue through a controlled multi-step chemical process, and why skeletons with withered arms and healed fractures prove somebody was feeding them for years. - A Species Found Without A Skeleton: Discover how a fragment of finger bone in a Siberian cave turned out to be a third kind of human nobody had suspected, and how we mapped where Denisovans lived using only the DNA of people alive today. - The One-Metre Humans: Explore why an adult human on Flores stood one metre tall with a brain a third the size of yours, why the same island had dwarf elephants and giant rats, and why local folklore describes small cave-dwelling people who could not speak properly. - Denny: Learn about the thirteen-year-old girl who died ninety thousand years ago whose mother was a Neanderthal and whose father was a Denisovan, and why finding a first-generation hybrid in such a tiny sample means mixing was ordinary rather than rare. - They Did Not Only Die, They Dissolved: Find out why one to two percent of your genome is Neanderthal, how the fragments differ between people so that the species can be partly reassembled from the living, and why Tibetans handle thin air thanks to a gene from an extinct species. - Why Us: Uncover why the answer is not brains, tools, fire or burial — they had all of it — and how a population cut off in Tasmania for ten thousand years shows what happens to knowledge when a group is simply too small. Chapters: 0:00 Introduction 1:15 Who They Really Were 2:14 Art And Ornament 2:40 The Denisovans 3:10 Mapped Without Bones 3:32 The Island Humans 4:22 The Ebu Gogo 4:45 Why Only One Left 5:38 Climate 5:53 They Were Absorbed 6:23 Denny 7:17 What Those Genes Do 7:37 The Tibetan Gene 7:58 Ghost Lineages 8:35 What Actually Separated Us 9:18 Tasmania 9:56 We Are What Is Left If this deep dive into human evolution, genetics and extinction blew your mind, smash the like button, subscribe for more breakdowns, and leave a comment telling us what topic to cover next! Click here to Subscribe : https://bit.ly/Neon-Rush Contact (For Business enquiries) : [email protected]