Winter – This is temperature tango time, the months of the year when there are lots and lots of heated debates about where to set the thermostat. Science can end this discussion before it does any more damage to what might otherwise be positive relationships. The research is clear: at temperatures set between 68 and 74 degrees Fahrenheit (20 and 23.3 degrees centigrade), with humidity levels from 40% to 70%, our cognitive performance is optimized. To think and reason to your…