Up until the time of the Spanish conquest in the 16th century, Inca communities in the Andean highlands used a peculiar form ...

A battle over plastic—a material so prolific the UN calls the 90 percent of it that ends up as trash a pollution crisis—is under way in Florida. Coral Gables, a small city of 51,000 people ...

There are times when the Scripps National Spelling Bee transforms into a geography bee. Scripps has begun relying on obscure ...

For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?

In the mid-1800s, the invention of the Braille system radically changed the lives of millions of visually impaired people around the world — but how much do you know about the person who created it?