Overview
- A Nature Communications paper reported a reproducible counterclockwise bias in walking across five experiments with 573 participants, with about 75–80% veering left within seconds.
- Researchers first noticed the pattern by chance while analyzing footage from social‑distancing studies and then quantified it using drone recordings and controlled lab walks.
- The leftward tendency held when people walked alone or in groups, across ages including children, and in multiple cultures, and it persisted under simple perturbations such as patching one eye.
- The research team says the mechanism is unknown and has begun targeted follow‑ups using biomechanics tests and virtual‑reality experiments to identify causes.
- Authors and outside experts say the bias could affect crowd flows, evacuation routing, and public‑space layout but stress those practical uses are untested and may not apply in stressful or atypical situations.