Puzzle 237
What is so unusual about this sentence:
The quick brown fox jumps over the lazy dog.
Puzzle 238
What proverb is hidden below?
Llamas often overlook khaki bagels. Every furry orangutan relishes eating yummy orange umbrellas. Leopards enjoy aquamarine parsnips.
Puzzle 239
Can you find every occurrence of the word NOVEMBER that appears in this grid (horizontally, vertically, or diagonally)?
The hint will reveal the number of times it occurs, but where are they?

Note: this puzzle is not interactive, and the letters cannot be selected.
Puzzle 240
Frankie the Squirrel can find one acorn in 15 minutes and Glenn the Squirrel can find one acorn in 12 minutes. As autumn approaches, they both work all day and all night.
However, Alex the Squirrel is eating their collection! It takes Alex 20 minutes to eat an acorn, and Alex eats all day and all night long (and starts on yesterday's acorns).
How many extra acorns will there be at the end of a 24-hour day?