Puzzle 1
Can you make this equation correct by moving exactly one matchstick?

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
Puzzle 2
If four kittens can catch four toys in four minutes …
… how many toys can twelve kittens catch in twelve minutes?
Puzzle 3
What is significant about this paragraph:
I once found two tiny ferrets, tired, looking sorry for themselves, covered in dirt. I decided to help the poor critters by putting them in the town zoo's 'ferret rinsing box', then rinsing them off using some tinctured liquid. They soon seemed much more pristine, much brighter, much more cheerful. Within two weeks I set them free, returned into the wild, they seemed very delighted with this. I, of course, enjoyed it very much.
Puzzle 4
What proverb is hidden below?
Llamas often overlook khaki bagels. Every furry orangutan relishes eating yummy orange umbrellas. Leopards enjoy aquamarine parsnips.