The most underrated idea in science
Follow the link and order your advanced DNA test, Ancestry + Health, with a 10% discount using the promo code DEUS: https://shorturl.at/X9Xy5 #science #dna #genome #biology This video is based mainly on: The book by science writer Matt Ridley “Genome: The Autobiography of a Species in 23 Chapters” The book by evolutionary biologist Richard Dawkins “The Selfish Gene” What’s in the video: 00:00 - The DNA molecule as the instructions for building a human being 03:11 - The genome size paradox 05:03 - “Junk DNA”: the debate over the function of 80% of the genome 07:07 - We are all mutants 08:34 - Viruses in the genome: genetic parasites inside us 11:18 - I talk about what I learned from the Eligens genetic test 13:10 - The origin of life, natural selection over 4 billion years 16:22 - LUCA: our common ancestor 18:15 - Human chromosomes vs. ape chromosomes, brain evolution 20:31 - Evolution from apes: 99% DNA overlap, qualitative differences 22:51 - What did our common ancestor look like? (“the missing link”) 25:35 - Huntington’s disease as a cruel fate 29:36 - Eligens lets you download raw data (Promethease report) 31:21 - Giftedness: the “intelligence gene,” g factor, twin studies 37:08 - The puzzle: human IQ is rising. Is humanity becoming more intelligent? 37:59 - Conflict: the war between the X and Y chromosomes, the SRY gene, competition between the sexes 43:20 - The immortal gene: the selfish gene, replicators, organisms as vehicles 49:22 - Altruism: Hamilton’s rule, reciprocal altruism, emotions as tools 55:23 - The green beard effect (thought experiment) 59:35 - What is the best reciprocal altruism strategy? 01:03:51 - Horizontal transfer: the gene network, viruses, antibiotic resistance 01:12:41 - The physics of life, information as the foundation, universal Darwinism, extraterrestrials Brief summary: Right now, trillions of nanorobots are working inside you, directed by your DNA, even though those “building instructions” are almost half made up of genetic parasites. The paradox of our genome is that humans have only about 20,000 genes, no more than a tiny microscopic worm, and yet our enormous complexity comes from how those genes are combined and read. We are all mutants and living graveyards of ancient viruses. What separates us from our closest primate relatives is not the appearance of hundreds of new genes, but changes in the timing of old genes. Our second chromosome was born from the fusion of two ape chromosomes, and although we share about 99% of our DNA with chimpanzees, small changes in brain development gave us a longer childhood, neuroplasticity, and an extraordinary ability to learn. Behind all of this is Richard Dawkins’s unsettling but fundamental idea of the “selfish gene”: organisms are temporary biomachines created to preserve and copy molecules that behave as if they want to conquer the future by using our bodies as vehicles. There are even Darwinian conflicts inside us, including between the X and Y chromosomes. And if genes are so selfish, then altruism, friendship, and sacrifice exist because helping relatives or cooperating with others can be an effective evolutionary strategy, reinforced by emotions such as guilt, gratitude, and loyalty. Evolution is not only a tree of vertical inheritance, but also a global network of horizontal gene transfer between bacteria, animals, and viruses, responsible both for antibiotic-resistant superbugs and for major biological innovations in the past. In the end, life is a universal information process: wherever information can be copied with errors, natural selection can produce order out of chaos. Music: Epidemic Sound Video author: Sascha Shu Voice-over: Angel Nacar You can support the release of new videos on Patreon: ✨ / homodeuses Thank you! ❤️
