Murray Gell-Mann performed a similar trick 50 years ago in an attempt to make sense of the plethora of particles that was then emerging from experiments.
But the latest Science paper "and our own observations suggest that it is possible to detect an arrow of time" underlying proto-human languages spoken more than 8, 000 years ago, said Murray Gell-Mann of the Santa Fe Institute in New Mexico, who read the Science paper and supports it.
