You can easily touch me but not see me. You can throw me out but never away. What am I?

A woman is sitting in her room at night. She has no lights on, no candle, no lamp, no light at all and yet she is reading. How is that possible?

Can you write “cow” using thirteen letters?

What has one head, one foot, and four legs?

What moves without seeing and cries without eyes?

If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?

I’m often running yet I have no legs. You need me but I don’t need you. What am I?

I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?

What has keys but no locks, Space but no room, You can enter but you can’t exit?

What flies without eyes and cries without eyes?