🌙 Chronobiology & Circadian Rhythms

Circadian Rhythm — Phase Clock & Entrainment Simulator (2D)New📱A free-running internal body clock (period about 24.3 hours) drifts on its own until a… Photoperiod & Seasonal Rhythms (2D)New📱A 2D companion to the seasonal-rhythms simulation, focused on photoperiodism: real… Two-Process Sleep Model (2D)New📱A live 2D simulation of Borbély's Two-Process sleep model. Watch homeostatic sleep pressure… SCN Phase-Wave Lattice — Local-Coupling Circadian Clock Network (2D)New📱A 2D local-coupling Kuramoto lattice model of the suprachiasmatic nucleus: 336 phase… SCN Neuron Synchronization — Master Circadian Clock NetworkNew📱A Kuramoto coupled-oscillator model of the suprachiasmatic nucleus: thousands of… How Archaeologists Actually Date ThingsNew📱An interactive 3D timeline comparing the effective age ranges of radiocarbon dating,… Circadian Clock Cycle SimulatorNew📱A clock protein complex cycles through a ~24-hour transcription-translation feedback loop,… Circadian ClockNew📱This simulation demonstrates the principles of circadian rhythms, exploring how biological… Jet Lag — Circadian Disruption and RecoveryNew📱Model circadian phase shifts caused by transmeridian travel. Adjust time-zone crossing,… Molecular Clock — PER/CRY/BMAL1 OscillatorNew📱Simulate the PER/CRY/BMAL1 transcription-translation feedback loop using Goodwin oscillator… Two-Process Sleep Model — Circadian & Homeostatic Regulation📱Run the two-process model: homeostatic sleep pressure builds while you are awake and the… Seasonal Rhythms — Photoperiod, Melatonin & SAD📱Change latitude and season to see day length drive melatonin timing, explaining winter phase… Circadian Rhythm — 24-Hour Body Clock📱The Goodwin model drives a 24-hour circadian oscillator — shift light exposure, meals and…