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.
By throwing more computing horsepower at the problem than ever before and comparing the simulation results with experimental observations of real protein behaviour, it should be possible to find out why it has failed in the past.