Home / Trivia / Wild & Weird
What makes hair turn gray?
Confirmed
Loss of pigment-making cells in hair follicles
Hair gets less melanin as pigment cells die.
What makes the popping sound when you crack your knuckles?About how often does a typical adult blink per minute?What is the smell of rain on dry ground called?Does the 'five-second rule' keep dropped food safe from bacteria?What is the plastic tip of a shoelace called?Why do jeans have a tiny extra pocket?