Old Stone AgeTechnology First adhesives c. 200,000 years agoNotable Neanderthals heat birch bark into tar to glue stone points onto shafts, an early chemical process. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Complex cells (eukaryotes) → Multicellular life → First animals → Cambrian Explosion → First vertebrates → Jawed fish → Fish walk onto land → The amniotic egg → The Great Dying → Dinosaurs appear → Asteroid ends the dinosaurs → Early primates → Apes split from monkeys → Human line splits from chimpanzees → Walking upright → First stone tools → Genus Homo appears → Homo erectus → Control of fire → First adhesives Community notesLoading notes… Learn more ranked by votesBookRebecca Wragg SykesKindred: Neanderthal Life, Love, Death and Art ↗Editor's pickVideoSearch on YouTubeNeanderthal birch tar adhesive ↗Editor's pick