Collar

What do a dog and a cell phone have in common?
They both have collar ID.
The Tiny Firefighter
The Tiny Firefighter A firefighter was working on the engine outside the Station when he noticed a little girl nearby in a little red wagon with little ladders hung off the sides and a garden hose tightly coiled in the middle. The girl was wearing a firefighter's helmet. The wagon was being pulled by her dog and her cat. The firefighter walked over to take a closer look. "That sure is a nice fire truck," he said with admiration. "Thanks," the girl replied. The firefighter looked a little closer and discovered to his horror that the girl had tied the wagon to her dog's collar and to the cat's testicles. "Little partner," the firefighter said, "I don't want to tell you how to run your rig, but if you were to tie that rope around the cat's collar, I think you could go faster." The little girl replied thoughtfully, "You're probably right, but then I wouldn't have a siren."
King Hero of old Syracuse had doubts that made him frown.
"Perhaps my goldsmith did not use pure gold to make the crown."
Since proof of mischief must be strong to put a thief in collar,
The king who feared his judgment wrong called on his science scholar.
"Archimedes, friend of old, find me the solution!
Is my crown pure solid gold, or is that an illusion?"
The scholar's task was serious; he struggled hard with math.
His mind was near delirious until he poured his bath.
He noticed how the water pushed him up as he stepped in.
He thought about it harder as he stroked his bearded chin.
"The weight of displaced liquid should always let me know
When any golden solid has a density too low!"
"Eureka!", he resounded. "I have such a clever mind".
Yet his claim was unfounded 'cause he left his clothes behind!

(by Robert Z)