Milestones: 100 Days till Christmas

The University of Illinois last week offered a cold-weather tip: eat more often, change to a fattier diet. At 20 below zero, human guinea pigs, who in an eight-hour period ate three meals high in fats and carbohydrates (starch and sugar) at two-hour intervals, had higher body temperature and better coordination than those who ate one meal rich in protein (e.g., meat).