🧬 生物学と生命

Game of LifeConway's cellular automaton in 3D: Conway, HighLife, Day&Night modes. Flat / height-map /… AquariumFish schooling in a 3D aquarium — Boids variants with obstacle avoidance and feeding behaviour. SIR Epidemic ModelParticles spread infection by proximity. Tune β, γ, vaccinate and watch R₀ and the epidemic… L-Systems — Procedural PlantsLindenmayer rewriting rules grow plants, fractal curves and space-filling patterns. 10… Neural Network — BackpropagationA two-layer network trains live on XOR, circle or spiral boundaries. Weights as edges,… Prey–Predator (Lotka–Volterra)Hundreds of prey and predator particles interact via spatial rules, producing classic… Fox & RabbitsA live Lotka-Volterra predator-prey simulation. Rabbits graze and multiply; foxes hunt and… Van der Pol Oscillator SynchronizationCouple two Van der Pol oscillators and raise the coupling until their limit cycles… Bacterial Colony & ChemotaxisLay down a nutrient gradient and watch bacteria run and tumble their way up it, forming… Genetic Evolution — Natural SelectionRun selection, crossover and mutation on a population of digital creatures and watch fitness… Fish School 3DWatch hundreds of fish flock using Boids algorithm in a pseudo-3D ocean. A predator shark… Spiking Neural NetworkNewWatch a leaky integrate-and-fire neural network fire in real time. Tune connectivity, the… Cell Growth & MorphogenesisNewGrow a cell cluster from a few seeds: cells enlarge, divide and push apart with… Population Wave — Spatial Spread of SpeciesNewSimulate the spatial spread of an invasive species using Fisher-KPP on a 2D grid. Wave front… Mycelium Network GrowthNewSimulate fungal mycelium growth as a branching network. Hyphal tips extend toward nutrient… Plant Phototropism & GravitropismNewWatch a plant stem bend toward light (phototropism) and roots grow downward (gravitropism).… Action Potential PropagationNewA Hodgkin-Huxley cable model propagates a nerve impulse along an axon; toggle myelination to… Amoeba PhagocytosisNewA deformable amoeba senses a chemoattractant gradient from nearby food particles, extends… Blood Clotting CascadeNewA simplified coagulation cascade activates thrombin and fibrin at a wound site while… Cellular Respiration — Krebs CycleNewAnimate the citric acid cycle's eight intermediates turning acetyl-CoA into CO2, NADH, FADH2… Gut Microbiome CompetitionNewMultiple bacterial species compete for a shared, replenished nutrient pool under generalized… Honeybee Swarm Decision-MakingNewScout bees discover candidate nest sites and recruit nestmates via waggle-dance intensity… Keystone Species & Trophic CascadeNewA three-level food web (predator-grazer-producer, modelled on sea otters, urchins and kelp)… Leaf Venation GrowthNewVeins grow toward scattered auxin sources using the canalization algorithm: transport… Lichen Symbiosis GrowthNewA composite organism grows as fungal hyphae branch outward while embedded algal cells… Mutualism Population DynamicsNewTwo interdependent populations grow under coupled mutualism equations; tune the benefit… Phage–Bacteria CoevolutionNewBacteriophage and bacteria populations coevolve matching-allele resistance and infectivity… Pollination NetworkNewBees forage among flower patches of different species, carrying pollen between visits;… Repressilator Gene CircuitNewThree genes repress each other in a ring (Elowitz-Leibler repressilator); Hill-function… Wind-Driven Seed DispersalNewSamara 'helicopter' seeds and dandelion pappus parachutes drift under turbulent wind;… Slime Mold Network (Physarum)NewPhysarum polycephalum-style agents deposit and sense a decaying trail field, self-organising… Spider Web ConstructionNewWatch an orb-weaver build a web step by step: bridge thread, frame, radii from the hub, then… Stem Cell Differentiation (Waddington Landscape)NewCells roll as particles down a Waddington epigenetic landscape under noise and gradient… Termite Mound ConstructionNewTermite agents drop pheromone-laced mud pellets and preferentially build where pheromone is… Tumor AngiogenesisNewHypoxic tumor cells secrete VEGF; capillary sprout tips perform a biased random walk up the… Virus Lytic CycleNewA cellular automaton of host cells and diffusing virions: attachment, eclipse period,…