Answer:
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
I'm tall when I'm young and I'm short when I'm old. What am I?
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
The more you have of it the less you see. What is it?
I am a mini solar powered computer.
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.