An alternative explanation of this is that time is event-based. Or, phrased slightly differently: the rate of biological evolution is faster in the time following a major disruption, so intelligence is more likely to arise shortly after a major disruption occurs.
An alternative explanation of this is that time is event-based. Or, phrased slightly differently: the rate of biological evolution is faster in the time following a major disruption, so intelligence is more likely to arise shortly after a major disruption occurs.