The Cube Calendar Conundrum

RAY: This came from Jonathan Cox, from across the pond. He writes:

I have a stylish little desk calendar that consists of a cradle for two cubes, each with one number per face. Together, the two cubes show what day of the month it is. So, for example, if it were the 21st, I'd rotate one cube until a "2" was showing, and the other would show a "1." The next day I would know to rotate one cube so, together, the two cubes would read "22."

With the two cubes, I can express every date. For example, if it were the 2nd of the month, it would be expressed as "02." If it were the 18th I'd put up a 1 and an 8, and so on.

Here's my question. If you were designing the cubes, what numbers would you paint on each one so you could express all the dates from "01" to "31"?

Here're a few hints: you're going to run into a problem because you're not going to have enough faces. Maybe. There are several right answers and lots of wrong answers. But all the right answers have one thing in common.
 

The Pyramid Tourists

RAY: This puzzler is from my new "Great Pyramids of Egypt" puzzler series. It was sent in by Jason Rhodes.

In his youth a man decides to take a trip to visit the great pyramids of Egypt. He is deeply moved by the trip, and years later he decides to take his son, who has never been away from home, to see the pyramids.

Here's the catch. The man made his trip to the pyramids in 1995, but his son made his trip to see them in 1969. How is this possible?
 

The Pyramid Tourists

RAY: The father took his trip in 1995 BC. And 26 years later in 1969 BC, he and his son went. Pretty good, huh? Do we have a winner?

TOM: The winner is 14-year-old Sarah Davidson from Bethesda, Maryland. Congratulations!