Riddles: More challenges to make us think.

Rules:

• Post your answer\ guess
• The person who solves the riddle correctly posts the next riddle to be solved
• 24- hour time limit per riddle (when this time is up anyone may post the next riddle)

Note: many riddle resources can be found on-line to choose from

The first riddle is:

It has been around for millions of years but is no more than a month old. What is it?