Do you know the two-finger rule for finding ripe watermelon? This is an easy way to determine if you should buy the giant fruit you’re eyeing at the grocery store. The two-finger rule is very simple.

The Tap Test: Watermelons are not a musical instrument, but picking a ripe watermelon will be music to your ears. Pick up the fruit and give it a light tap. If it gives back a hollow sound, it usually ...

Optical illusions are great at testing your visual perception and seeing how your brain interprets visual context, subtle ...

This yellow spot where the watermelon was touching the ground is a good sign that it’s perfectly ripe. A white spot would indicate that the melon would need more time to ripen. Courtesy Johnson County ...