Just imaging the scratchy and screechy sound made by fingernails running down a blackboard is annoying. Now scientists have found the reason why it has such effect. Just imaging the scratchy and ...

A baby’s hands and fingers are almost impossibly tiny, yet those teeny fingernails on the tip of each digit are surprisingly dangerous — to a newborn’s delicate skin, at least. New parents don’t want ...

Anyone who has cringed at the sound of fingernails scratching on a chalkboard has likely experienced the same feeling whenever President Biden speaks. The president visited Maui this week (which he ...