The Incas used stringy objects called 'khipus' to record data—we just got a step closer to understanding them
For more than a millennium, many Andean peoples used an object called a "khipu" (also spelled "quipu" and pronounced "key-poo ...
Why England's new curriculum should involve as much hands-on learning as possible
It is vital that children are motivated and engaged by the way they are taught at school, and that teachers use methods that ...