There's a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers.
From mountain boulders to the shells of tiny ocean creatures, follow the journey that sand takes through thousands of years across entire continents to wind up stuck between your toes. This short clip below takes a deep look at the fascinating world beneath our feet.
Fun Fact: People who collect sand as a hobby are known as arenophiles and Organisms that thrive in sandy environments are psammophiles.
"It isn't the mountain ahead that wears you out; it's the grain of sand in your shoe."-Robert W. Service