BOSTON (Reuters) - Researchers have known for years that cutting calories can prolong life in everything from yeast cells to mammals. But an easier way to live longer may be as simple as turning a corkscrew. Molecules found in red wine, peanuts and other products of the plant world have for the first time been shown to mimic the life-extending effects of calorie restriction, a finding that could help researchers develop drugs that lengthen life and prevent or treat aging-related diseases. Researchers said on Sunday that one of the molecules, a compound known as resveratrol, was shown in a study...