Maple syrup is deliciously gooey and great on breakfast foods like pancakes and waffles. But it has another amazing property. It can form crystals under the right circumstances, and the crystals change in size and shape, depending on...

Explains why the Articles of Confederation were not strong enough to hold the country together. One result was a farmers' rebellion in Massachusetts led by Daniel Shays, which was precipitated by a debt crisis that caused many farmers to...

Explains what sedimentary rocks are, the three main types, and how they are formed.