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 ...
The 742d
Why Teachers Don’t Use the High-Quality Instructional Materials They’re Given
Steiner: Educators don’t believe their students can manage the rigor of grade-level instruction, and they're not wrong. What ...
Testing AI systems on hard math problems shows they still perform very poorly
A team of AI researchers and mathematicians affiliated with several institutions in the U.S. and the U.K. has developed a ...