Home▸Biology▸Jane Goodall's Grass-Stem Tool Discovery

🌿 Jane Goodall's Grass-Stem Tool Discovery

A 3D Gombe termite mound where a chimpanzee strips a grass stem, fishes for termites, and a juvenile learns by watching — the observation that redefined 'Man the Tool-Maker'.

Biology3DAdvanced60 FPS

A chimpanzee strips a grass stem, fishes it into a Gombe termite mound, and withdraws it coated with termites to eat — while a juvenile nearby watches and gradually picks up the technique.

🔬 What It Demonstrates

Dip success depends on real variables from Goodall's field notes: stem length, whether leaves are stripped off (true tool making), and termite activity by season. A juvenile's own success rate climbs the more it observes — a simple model of cultural transmission.

🎮 How to Use

Adjust tool length, toggle leaf-stripping and season, and watch the dip success rate change live. Enable social learning to see the juvenile's skill — and its own harvests — grow purely from watching the adult.

💡 Did You Know?

Goodall's 1960 observation of David Greybeard forced primatologist Louis Leakey to write: "Now we must redefine tool, redefine man, or accept chimpanzees as human" — permanently changing how science defines tool use.

⚙ Under the hood

A 3D Gombe termite mound where a chimpanzee strips a grass stem, fishes for termites, and a juvenile learns by watching — the observation that redefined 'Man the Tool-Maker'.

animalschimpanzeestermitesobservationbehaviorevolutionThree.js

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install