Washington? The federal government is hoping to help kids blast off to better eating habits with an online game and a food pyramid created just for 6- to 11-year-olds. But if you’re like the ...

Journey back four and a half thousand years to Egypt's Old Kingdom, to the Pyramid Age. As the vizier, or head of state, you are about to undertake the building of the king's pyramid.

What do you see in the population pyramid? Each year starts with the number of children who are born. This group moves up to a higher age every year. As age increases, groups get smaller because ...