Key points from article :
It’s been more than 70 years since the last major world war.
Is it only a matter of time or are we living in an era of peace?
University of Colorado reviewed data on wars between 1823 to 2003.
Peace would need to persist for 140 years to be statistically significant.
The hazard of a very large war remains constant.
Also predicts humanity’s ultimate downfall around the year 3350.
The study was published in Science Advances.
