I'm found in socks, scarves and mittens; and often in the paws of playful kittens. What am I?

I have 13 hearts, but no other organs. What am I?

I am always hungry and will die if not fed, but whatever I touch will soon turn red. What am I?

I'm a god, a planet, and I measure heat. What am I?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

I have a twin but we never meet, except in a mirror. What am I?

I can never be thrown but I can be caught. Ways to lose me are always being sought. What am I?

I'm (usually) white and used for cutting and grinding. When I'm damaged, humans usually remove me or fill me. For most animals I am a useful tool. What am I?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Until I am measured, I am not known. Yet you miss me when I have flown. What am I?

I have billions of eyes, yet I live in darkness. I have millions of ears, yet only four lobes. I have no muscle, yet I rule two hemispheres. What am I?

Lovely and round, I shine with pale light, grown in the darkness, A lady's delight. What am I?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business. What am I?

I am a box that holds keys without locks, yet they can unlock your soul. What am I?

If you have me, you want to share me. If you share me, you haven't got me. What am I?