Answer:
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
I have thirteen hearts but no body or soul. What am I?
Born of sorrow, grow with age, you need a lot of me to be a sage. What am I?
Soft hairy from door to door. I am the pet that always stays on the floor.
I run up and down the stairs without moving. What am I?
Why was the cook arrested?
What am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic