Today it was raining so I went out to catch some fog. Unfortunately I . . .

What do you get if you divide the circumference of a bowl of ice cream by its diameter?

My first is a color, or the absence of light. My last follows 'snail', as it moves slower than a modern track. Together, I use knowledge to extort you, to my delight.

I'm related to a branch or a switch, But the only game you'll play with me hurts. There's a model with my name and an added -gy. Me and berries go way back.

I stand where forests lose their weight, where giants fall to measured fate. I sing in teeth, a hungry choir, turning timber into more.