NPR's Lulu Garcia-Navarro speaks with author Vince Beiser about his new book, The World in a Grain. The book tells the story of sand and the crucial role it plays in our lives. Sand. It's ...

and inventor Gary Greenberg started taking photos of sand grains with his own light microscope more than a decade ago. Each sand grain is about a tenth of a millimeter in size — which is the ...

When you take a moonlit stroll on the beach, how often do you think about the tiny grains of sand creeping in between your toes? From above, sand seems like a bunch of tiny brown rocks, perhaps ...

For ages 12 and older. How many grains of sand would it take to fill the universe? This is a problem that the Greek mathematician Archimedes tried to solve in the third century B.C. In this ...

Scientists today call it "singing sand," but they're all referring to the same thing: As sand grains shuffle down the slopes of certain sand dunes, they produce a deep, groaning hum that ...

The weak gravitational pull on a particle just half the mass of a grain of sand has been measured for the first time. This most precise measurement of its kind is a breakthrough towards the ...

Star sand is both a beautiful sight and a scientific marvel. Each grain once housed a tiny single-celled organism. Found most frequently on the Taketomi, Hatoma, and Iriomote islands of Japan ...