Fred is writing a paper titled "Water Condensation on Grass" for his employer.

It's dew in the morning.

The word 'nothing' is a palindrome...
Backwards it spells 'gnihton', which also means nothing.

The city's road work department is laying off  a lot of workers.
They invented a shovel that stands up by itself.

After years of watching cave exploration videos I've finally figured out what they are all searching for inside those caves.
Common sense, and they never find it.