Crossing the road together


Pic not an ad for the Beatles on iTunes at all…

Nice piece of work here which highlights the mechanism behind so much apparently suicidal behaviour on our streets.

Seems we are more likely to cross the road if someone next to us does – between 1.5 & 2.5 times.

More so for the men amongst us.

But don't worry, fellas – it's only human…


  1. Huw
    November 17, 2010

    Makes perfect evolutionary sense. If organism A evolves a safety behavior based on observation, it would put selection pressure on organism B copying that behavior. Problem of course being that roads evolved quite recently…

  2. Mark Earls
    November 17, 2010

    Exactly, not sure that roads were part of the fitness landscape for which the trait was selected