I've seen a lot of the same ones I've heard but here's a few no one has mentioned yet.... put pennies in ziplock bags filled with water and put them around the area you want to keep fly free... picnic.... cookout etc.
More babies are born at the full moon. Also, in astrology, if the person's chart shows the moon is square to the sun, the parents were not getting along when child was conceived. Ring around the moon means rain. Work begun at new moon will be more prosperous. Work begun at full moon will always struggle to survive.
The stripe on woolly caterpillar in the fall tells of the winter temps... the thicker the stripe the colder the winter.
An itchy nose means you'll have a fight.
Spit on a bite to stop the itch.