According to the current federal dietary guidelines, women 60 and older require between 1,600 and 2,200 calories per day. Men in this age group require 2,000 to 2,600 calories per day. By comparison, ...
Here are 14 dragonfly facts that may surprise you. Dragonfly-like creatures were some of the first winged insects to evolve, appearing on the scene roughly 300 million years ago. Modern ...