Answer:
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
As I went over London Bridge I met my sister Jenny; I broke her neck and drank her blood and left her standing empty.
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
I have a little pool with two layers of wall around it. One white and soft and the other dark and hard. What am I?
I hold two people together but touch only one.
A little house full of meat, no door to go in and eat.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic