They count genetic differences and then divide by the best guesstimate of how long ago the species diverged, calibrated in part on the fossil record. (sciencemag.org)
SteadyServ iKeg does away with the old method which is basically just guesstimating for establishments when it comes to their draft beer inventory. (fooddrink-magazine.com)
Serious professionals never forget that time equals money, so don't just guesstimate how much your waking hours are worth. (nvbr.com)