BURSTNature, Published online: 22 April 2026; doi:10.1038/d41586-026-01048-z
Real-world data reveal that cooperation continually falls and rebounds. Motivation to cooperate must therefore be actively renewed rather than assumed to sustain itself.Nature, Published online: 22 April 2026; doi:10.1038/d41586-026-01048-z
Real-world data reveal that cooperation continually falls and rebounds. Motivation to cooperate must therefore be actively renewed rather than assumed to sustain itself.