Where do you go to learn how to make ice cream?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Can you find the missing piece of the Porsche?

What does the below rebus riddle means?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

When it's bad luck to meet a black cat?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

What two things can you never eat for breakfast?