There are 52 cards in a regular deck of playing cards. There are a lot of various permutations those cards can take, which is why playing card games remains interesting. I just asked my ten-year-old daughter how many possible combinations she thinks you can make with 52 cards. Her answer? "A thousand." I said, "Oh, it's more than … Continue reading Fifty-Two


There are six sides to a snowflake. Snowflakes are complicated. Snowflakes have intricate designs that can be seen with microscopes. That much we know. But then there is the assertion: no two snowflakes are exactly alike. And how do we know that? Everyone seems to know it. It's just common knowledge. It gets used as … Continue reading Six