immunity occurs when enough members of a group are protected against a threat that the threat can no longer spread effectively — even to those who aren't individually...
The core idea
immunity occurs when enough members of a group are protected against a threat that the threat can no longer spread effectively — even to those who aren't individually...
Connected
Mental Model
Mental ModelAdaptation & Red Queen Effect
adaptation is required just to maintain relative position.
Mental Model
Mental ModelComplex Adaptive Systems
interacting agents self-organise to produce emergent behaviour.
Mental Model
Mental ModelCritical Mass
tipping-point threshold where a process becomes self-sustaining.
Mental Model
Mental ModelEntropy
ordered systems tend toward disorder unless energy is continuously invested.
Mental Model
Mental ModelFlywheel
momentum built through consistent effort in one direction.
Mental Model
Mental ModelIncentives
respond to rewards and punishments, not instructions.